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2-Hydroxy-6-methylbenzoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 567-61-3 Structure
  • Basic information

    1. Product Name: 2-Hydroxy-6-methylbenzoic acid
    2. Synonyms: 2-Hydroxy-6-methylbenzoic acid ,97%;6-Methylsalicylic acid, 2-Carboxy-3-hydroxytoluene, 2-Carboxy-3-methylphenol;2,6-cresoticacid;6-ms;6-msa;2-HYDROXY-6-METHYLBENZOIC ACID;6-METHYLSALICYLIC ACID;6-Hydroxy-2-methylbenzoic acid
    3. CAS NO:567-61-3
    4. Molecular Formula: C8H8O3
    5. Molecular Weight: 152.15
    6. EINECS: N/A
    7. Product Categories: Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Carboxylic Acids;Phenyls & Phenyl-Het;Carboxylic Acids;Phenyls & Phenyl-Het
    8. Mol File: 567-61-3.mol
  • Chemical Properties

    1. Melting Point: 141.5-142 °C
    2. Boiling Point: 300.4 °C at 760 mmHg
    3. Flash Point: 149.7 °C
    4. Appearance: /
    5. Density: 1.304 g/cm3
    6. Vapor Pressure: 0.001mmHg at 25°C
    7. Refractive Index: 1.6
    8. Storage Temp.: Sealed in dry,Room Temperature
    9. Solubility: N/A
    10. PKA: pK1:3.32 (25°C)
    11. CAS DataBase Reference: 2-Hydroxy-6-methylbenzoic acid(CAS DataBase Reference)
    12. NIST Chemistry Reference: 2-Hydroxy-6-methylbenzoic acid(567-61-3)
    13. EPA Substance Registry System: 2-Hydroxy-6-methylbenzoic acid(567-61-3)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 567-61-3(Hazardous Substances Data)

567-61-3 Usage

Chemical Properties

White solid

Check Digit Verification of cas no

The CAS Registry Mumber 567-61-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,6 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 567-61:
(5*5)+(4*6)+(3*7)+(2*6)+(1*1)=83
83 % 10 = 3
So 567-61-3 is a valid CAS Registry Number.
InChI:InChI=1/C8H8O3/c1-5-3-2-4-6(9)7(5)8(10)11/h2-4,9H,1H3,(H,10,11)

567-61-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 6-methylsalicylic acid

1.2 Other means of identification

Product number -
Other names 2-Hydroxy-6-methylbenzoic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:567-61-3 SDS

567-61-3Synthetic route

2-methoxy-6-methyl-benzoic acid
6161-65-5

2-methoxy-6-methyl-benzoic acid

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
Stage #1: 2-methoxy-6-methyl-benzoic acid With boron tribromide In dichloromethane at 20℃; for 14 - 20h;
Stage #2: With hydrogenchloride In dichloromethane; water Product distribution / selectivity;
100%
With piperazine In N,N-dimethyl acetamide at 150℃; for 10h; Substitution;52%
With hydrogen iodide In acetic acid
ethyl 2-hydroxy-6-methylbenzoate
6555-40-4

ethyl 2-hydroxy-6-methylbenzoate

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With sodium hydroxide at 95℃; for 2h;99%
With sodium hydroxide In ethanol Heating;95%
With sodium hydroxide for 2h; Heating;95%
2, 2, 5-trimethyl-4H-benzo[d][1,3]dioxin-4-one
438187-08-7

2, 2, 5-trimethyl-4H-benzo[d][1,3]dioxin-4-one

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With potassium hydroxide In tetrahydrofuran; water Heating;99%
With potassium hydroxide In tetrahydrofuran Heating;99%
2-amino-6-methylbenzoic acid
4389-50-8

2-amino-6-methylbenzoic acid

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
Stage #1: 2-amino-6-methylbenzoic acid With sulfuric acid; sodium nitrite In water at 0℃; for 0.5h;
Stage #2: In water for 0.5h; Reflux;
68%
With hydrogen bromide; sodium nitrite; copper(I) bromide In water at 90℃; Reflux;65%
Diazotization;
With sulfuric acid; sodium nitrite In water at -5 - 50℃;780 mg
With sulfuric acid; sodium nitrite In water for 1h; Reflux;
tetrachloromethane
56-23-5

tetrachloromethane

3-methyl-phenol
108-39-4

3-methyl-phenol

A

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

B

4-hydroxy-2-methylbenzoic acid
578-39-2

4-hydroxy-2-methylbenzoic acid

Conditions
ConditionsYield
With copper; β‐cyclodextrin In potassium hydroxide at 80℃; for 15h;A 58%
B 29%
basic cupric o-toluate

basic cupric o-toluate

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
In nitrobenzene Heating;9%
ortho-methylbenzoic acid
118-90-1

ortho-methylbenzoic acid

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With CuCO3*Cu(OH)24%
5-methyl-chroman-2,4-dione

5-methyl-chroman-2,4-dione

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With sodium hydroxide
2,3,5-trimethyl-chromen-4-one
859085-95-3

2,3,5-trimethyl-chromen-4-one

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
Ozonolyse;
2-hydroxy-6-methylbenzaldehyde
18362-36-2

2-hydroxy-6-methylbenzaldehyde

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
bei der Kalischmelze;
With potassium hydroxide at 200℃;
With sodium hydroxide; silver nitrate for 8h; Heating;
methyl 6-methylsalicylate
33528-09-5

methyl 6-methylsalicylate

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With sodium hydroxide
2-bromo-3-methylphenol
22061-78-5

2-bromo-3-methylphenol

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With n-butyllithium; diethyl ether anschliessendes Behandeln mit CO2;
hydrangenol
480-47-7

hydrangenol

A

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

B

4-hydroxy-benzoic acid
99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Bei der Kalischmelze;
5-bromo-2-methylbenzoic acid
79669-49-1

5-bromo-2-methylbenzoic acid

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With potassium carbonate beim Schmelzen;
3-amino-4-methyl-tropolone

3-amino-4-methyl-tropolone

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite anschliessendes Erwaermen;
oxalyl dichloride
79-37-8

oxalyl dichloride

1-methoxy-3-methyl-benzene
100-84-5

1-methoxy-3-methyl-benzene

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

ethyl 2-acetyl-3-methyl-5-oxopentanoate
3400-77-9

ethyl 2-acetyl-3-methyl-5-oxopentanoate

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
(i) (cyclization), (ii) aq. NaOH; Multistep reaction;
2,4-Dihydroxy-2-methyl-6-oxo-cyclohexanecarboxylic acid tert-butyl ester
53437-09-5

2,4-Dihydroxy-2-methyl-6-oxo-cyclohexanecarboxylic acid tert-butyl ester

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With hydrogenchloride
potassium hydroxide

potassium hydroxide

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
at 300℃;
carbon disulfide
75-15-0

carbon disulfide

aluminium trichloride
7446-70-0

aluminium trichloride

oxalyl dichloride
79-37-8

oxalyl dichloride

1-methoxy-3-methyl-benzene
100-84-5

1-methoxy-3-methyl-benzene

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
anfangs unter starker Kuehlung, und Erhitzen des Reaktionsprodukts mit HCl;
1-(2-hydroxy-6-methylphenyl)-1-propanone
51451-26-4

1-(2-hydroxy-6-methylphenyl)-1-propanone

concentrated KOH-solution

concentrated KOH-solution

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

6-oxy-2-methyl-propiophenone

6-oxy-2-methyl-propiophenone

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
With potassium hydroxide
8-methylene-2-oxabicyclo[2.2.2]octane-3,5-dione

8-methylene-2-oxabicyclo[2.2.2]octane-3,5-dione

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
at 20℃; Diels-Alder reaction;
2,2-dimethyl-5-trifluoromethylsulfonyloxy-4H-(1,3)benzodioxin-4-one
164014-40-8

2,2-dimethyl-5-trifluoromethylsulfonyloxy-4H-(1,3)benzodioxin-4-one

Me2CuLi

Me2CuLi

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: tetrahydrofuran; diethyl ether / 1.5 h / -78 - 0 °C
1.2: 85 percent / MeI / tetrahydrofuran; diethyl ether / 0.17 h / 0 °C
2.1: 99 percent / KOH / tetrahydrofuran; H2O / Heating
View Scheme
Multi-step reaction with 2 steps
1.1: MeLi; CuI / tetrahydrofuran; diethyl ether / -78 - 0 °C
1.2: 85 percent / tetrahydrofuran; diethyl ether / 0.17 h / 0 °C
2.1: 99 percent / aq. KOH / tetrahydrofuran / Heating
View Scheme
methyl orsellinate
3187-58-4

methyl orsellinate

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
2: Raney nickel; ethanol
3: aqueous NaOH
View Scheme
2-hydroxy-6-methyl-4-(toluene-4-sulfonyloxy)-benzoic acid methyl ester
856176-93-7

2-hydroxy-6-methyl-4-(toluene-4-sulfonyloxy)-benzoic acid methyl ester

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Raney nickel; ethanol
2: aqueous NaOH
View Scheme
3-(3-methylphenoxy)-3-oxopropanoic acid
114223-13-1

3-(3-methylphenoxy)-3-oxopropanoic acid

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: phosphorus (V)-chloride; nitrobenzene / Erwaermen des Reaktionsgemisches mit Aluminiumchlorid
2: NaOH
View Scheme
2-methyl-6-nitrobenzoic acid
13506-76-8

2-methyl-6-nitrobenzoic acid

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: palladium on activated charcoal; hydrogen / ethyl acetate / 20 °C
2.1: sulfuric acid; sodium nitrite / water / 0.5 h / 0 °C
2.2: 0.5 h / Reflux
View Scheme
Stage #1: 2-methyl-6-nitrobenzoic acid With palladium 10% on activated carbon; hydrogen In methanol at 20℃; for 12h;
Stage #2: With sulfuric acid; sodium nitrite In water at -5 - 50℃; for 2.5h; Inert atmosphere;
carbon dioxide
124-38-9

carbon dioxide

3-methyl-phenol
108-39-4

3-methyl-phenol

A

2-hydroxy-p-toluic acid
50-85-1

2-hydroxy-p-toluic acid

B

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

Conditions
ConditionsYield
Stage #1: 3-methyl-phenol With Mesitol; sodium hydride In mineral oil at 100℃; for 0.0833333h; Glovebox;
Stage #2: carbon dioxide In mineral oil at 185℃; under 760.051 Torr; for 2h; Overall yield = 88 %; Overall yield = 33.3 mg;
2-iodo-propane
75-30-9

2-iodo-propane

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

isopropyl 2-isopropoxy-6-methylbenzoate

isopropyl 2-isopropoxy-6-methylbenzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃;99%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

methyl 6-methylsalicylate
33528-09-5

methyl 6-methylsalicylate

Conditions
ConditionsYield
In diethyl ether at 0℃; for 2h;95%
methanol
67-56-1

methanol

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

methyl 6-methylsalicylate
33528-09-5

methyl 6-methylsalicylate

Conditions
ConditionsYield
With sulfuric acid for 27h; Heating;90%
With sulfuric acid
2,2,2-trifluoroethanol
75-89-8

2,2,2-trifluoroethanol

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

C10H9F3O3

C10H9F3O3

Conditions
ConditionsYield
With thionyl chloride for 6h; Inert atmosphere; Reflux;90%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

acetone
67-64-1

acetone

2, 2, 5-trimethyl-4H-benzo[d][1,3]dioxin-4-one
438187-08-7

2, 2, 5-trimethyl-4H-benzo[d][1,3]dioxin-4-one

Conditions
ConditionsYield
With dmap; thionyl chloride In 1,2-dimethoxyethane for 3h;89%
With dmap; thionyl chloride In 1,2-dimethoxyethane at 20℃; for 3h; Inert atmosphere;80%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

propargyl alcohol
107-19-7

propargyl alcohol

C11H10O3

C11H10O3

Conditions
ConditionsYield
With silver trifluoromethanesulfonate In acetonitrile for 10h; Reflux;83.6%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

di-tert-butylsilyl bis(trifluoromethanesulfonate)
85272-31-7

di-tert-butylsilyl bis(trifluoromethanesulfonate)

C16H24O3Si

C16H24O3Si

Conditions
ConditionsYield
With 2,6-dimethylpyridine In acetonitrile at 0 - 22℃; for 16h; Inert atmosphere;82%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

chloroacetonitrile
107-14-2

chloroacetonitrile

2-hydroxy-6-methyl-benzoic acid cyanomethyl ester
438187-09-8

2-hydroxy-6-methyl-benzoic acid cyanomethyl ester

Conditions
ConditionsYield
With triethylamine In acetone for 3h; Heating;80%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

2-Hydroxy-5-bromo-6-methylbenzoic acid
252955-18-3

2-Hydroxy-5-bromo-6-methylbenzoic acid

Conditions
ConditionsYield
With tetrafluoroboric acid diethyl ether; N-Bromosuccinimide In acetonitrile at -20 - 0℃;80%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

benzyl bromide
100-39-0

benzyl bromide

6-methyl-2-(phenylmethoxy)benzoic acid
118537-95-4

6-methyl-2-(phenylmethoxy)benzoic acid

Conditions
ConditionsYield
With sodium hydroxide; tetrabutylammomium bromide In dichloromethane Ambient temperature;79%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

methyl iodide
74-88-4

methyl iodide

methyl 2-methyl-6-methoxybenzoate
79383-44-1

methyl 2-methyl-6-methoxybenzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 16h;72.8%
With potassium carbonate In N,N-dimethyl-formamide at 70℃;4.4 g
potassium cyanide

potassium cyanide

C18H23N5O6
1295471-72-5

C18H23N5O6

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

C26H29N5O8
1295471-36-1

C26H29N5O8

Conditions
ConditionsYield
Stage #1: C18H23N5O6; 2-hydroxy-6-methylbenzoic acid With pyridine; dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran; dichloromethane at 20℃;
Stage #2: potassium cyanide In methanol at 20℃;
68%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

N-((2R,3R,4aS,5R,7S,8R,8aS)-7,8-dihydroxy-2,3-dimethoxy-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl)-3-(methoxymethoxy)benzamide

N-((2R,3R,4aS,5R,7S,8R,8aS)-7,8-dihydroxy-2,3-dimethoxy-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl)-3-(methoxymethoxy)benzamide

A

(2R,3R,4aR,5R,6S,8R,8aS)-6-hydroxy-2,3-dimethoxy-8-(3-(methoxymethoxy)benzamido)-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl 2-hydroxy-6-methylbenzoate

(2R,3R,4aR,5R,6S,8R,8aS)-6-hydroxy-2,3-dimethoxy-8-(3-(methoxymethoxy)benzamido)-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl 2-hydroxy-6-methylbenzoate

B

C37H43NO13

C37H43NO13

Conditions
ConditionsYield
Stage #1: 2-hydroxy-6-methylbenzoic acid With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; for 0.25h;
Stage #2: N-((2R,3R,4aS,5R,7S,8R,8aS)-7,8-dihydroxy-2,3-dimethoxy-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl)-3-(methoxymethoxy)benzamide In dichloromethane at 0 - 20℃; for 48h;
A 68%
B 9%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

methyllithium
917-54-4

methyllithium

2'-hydroxy-6'-methylacetophenone
41085-27-2

2'-hydroxy-6'-methylacetophenone

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether at 20 - 60℃; for 6h; Product distribution / selectivity;67%
Stage #1: 2-hydroxy-6-methylbenzoic acid; methyllithium In diethyl ether at -78 - 20℃;
Stage #2: With ammonium chloride In diethyl ether at 0℃;
51%
In tetrahydrofuran; diethyl ether for 8h; Heating; Yield given;
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

C21H31NO9

C21H31NO9

A

C29H37NO11

C29H37NO11

B

C37H43NO13

C37H43NO13

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 22℃; Inert atmosphere;A 60%
B 15%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

allyl bromide
106-95-6

allyl bromide

allyl 2-hydroxy-6-methylbenzoate

allyl 2-hydroxy-6-methylbenzoate

Conditions
ConditionsYield
With caesium carbonate In acetonitrile at 50℃;56%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

ortho-toluoyl chloride
933-88-0

ortho-toluoyl chloride

2-methyl-6-{[(2-methylphenyl)carbonyl]oxy}benzoic acid
1448618-78-7

2-methyl-6-{[(2-methylphenyl)carbonyl]oxy}benzoic acid

Conditions
ConditionsYield
Stage #1: 2-hydroxy-6-methylbenzoic acid; ortho-toluoyl chloride With pyridine In dichloromethane at 0℃; for 0.5h;
Stage #2: With dmap In dichloromethane at 20℃; for 120h;
54%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

N-((2R,3R,4aS,5R,7S,8R,8aS)-7,8-dihydroxy-2,3-dimethoxy-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl)-3-(methoxymethoxy)benzamide

N-((2R,3R,4aS,5R,7S,8R,8aS)-7,8-dihydroxy-2,3-dimethoxy-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl)-3-(methoxymethoxy)benzamide

A

(2R,3R,4aR,5R,6S,8R,8aS)-6-hydroxy-2,3-dimethoxy-8-(3-(methoxymethoxy)benzamido)-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl 2-hydroxy-6-methylbenzoate

(2R,3R,4aR,5R,6S,8R,8aS)-6-hydroxy-2,3-dimethoxy-8-(3-(methoxymethoxy)benzamido)-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl 2-hydroxy-6-methylbenzoate

B

C29H37NO11

C29H37NO11

C

C37H43NO13

C37H43NO13

Conditions
ConditionsYield
Stage #1: 2-hydroxy-6-methylbenzoic acid With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 0.25h;
Stage #2: N-((2R,3R,4aS,5R,7S,8R,8aS)-7,8-dihydroxy-2,3-dimethoxy-2,3-dimethyloctahydrobenzo[b][1,4]dioxin-5-yl)-3-(methoxymethoxy)benzamide In dichloromethane at 0 - 20℃; for 48h;
A 50%
B 33%
C 6%
3,4-dihydro-β-carboline
4894-26-2

3,4-dihydro-β-carboline

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

4-methyl-7,8,13,13b-tetrahydro-5H-benzo[5',6'][1,3]oxazino[3',2':1,2]pyrido[3,4-b]indol-5-one

4-methyl-7,8,13,13b-tetrahydro-5H-benzo[5',6'][1,3]oxazino[3',2':1,2]pyrido[3,4-b]indol-5-one

Conditions
ConditionsYield
In dichloromethane at 20℃; for 12h;44.6%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

N-decanoylcysteamine
21044-09-7

N-decanoylcysteamine

C20H31NO3S

C20H31NO3S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃;35%
benzoimidazole
51-17-2

benzoimidazole

2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

1-methyl-12H-benzo[e]benzo[4,5]imidazo[2,1-b][1,3]oxazine-12-one

1-methyl-12H-benzo[e]benzo[4,5]imidazo[2,1-b][1,3]oxazine-12-one

Conditions
ConditionsYield
With pyridine; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; copper(I) bromide In para-xylene at 120℃; for 36h; Schlenk technique; Green chemistry;30%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

tert-butyl (4-aminobenzyl)carbamate
94838-55-8

tert-butyl (4-aminobenzyl)carbamate

tert-butyl (4-(6-methyl-2-hydroxybenzoyl))aminobenzylcarbamate

tert-butyl (4-(6-methyl-2-hydroxybenzoyl))aminobenzylcarbamate

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran for 12h; Reflux;21%
2-hydroxy-6-methylbenzoic acid
567-61-3

2-hydroxy-6-methylbenzoic acid

(1R)-5-chloroindan-1-amine

(1R)-5-chloroindan-1-amine

C17H16ClNO2

C17H16ClNO2

Conditions
ConditionsYield
With dmap; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 12h;13%

567-61-3Relevant articles and documents

Insights into 6-Methylsalicylic Acid Bio-assembly by Using Chemical Probes

Parascandolo, James S.,Havemann, Judith,Potter, Helen K.,Huang, Fanglu,Riva, Elena,Connolly, Jack,Wilkening, Ina,Song, Lijiang,Leadlay, Peter F.,Tosin, Manuela

, p. 3463 - 3467 (2016)

Chemical probes capable of reacting with KS (ketosynthase)-bound biosynthetic intermediates were utilized for the investigation of the model type I iterative polyketide synthase 6-methylsalicylic acid synthase (6-MSAS) in vivo and in vitro. From the fermentation of fungal and bacterial 6-MSAS hosts in the presence of chain termination probes, a full range of biosynthetic intermediates was isolated and characterized for the first time. Meanwhile, in vitro studies of recombinant 6-MSA synthases with both nonhydrolyzable and hydrolyzable substrate mimics have provided additional insights into substrate recognition, providing the basis for further exploration of the enzyme catalytic activities. Chemical probes capable of reacting with KS (ketosynthase)-bound biosynthetic intermediates were utilized for the investigation of the model type I iterative polyketide synthase 6-methylsalicylic acid synthase (6-MSAS) in vivo and in vitro. From the fermentation of fungal and bacterial 6-MSAS hosts in the presence of chain termination probes, a full range of biosynthetic intermediates was isolated (see examples) and characterized.

Palladium-catalyzed ortho-C-H hydroxylation of benzoic acids

Luo, Feihua,He, Shuhua,Gou, Quan,Chen, Jinyang,Zhang, mingzhong

, (2021/10/06)

A simple Pd(OAc)2 catalyzed ortho-hydroxylation of benzoic acids using TBHP as the sole oxidant has been explored. This protocol features relatively broad substrate scope and operational simplicity. The compatibility of ortho-substituted substrates is an effective complement to the previous ortho-hydroxylation reaction.

Copper-Catalyzed One-Pot Synthesis of Dibenzofurans, Xanthenes, and Xanthones from Cyclic Diphenyl Iodoniums

Zhu, Daqian,Li, Min,Wu, Zhouming,Du, Yongliang,Luo, Bingling,Huang, Peng,Wen, Shijun

supporting information, p. 4566 - 4571 (2019/07/09)

Oxygenation of cyclic diphenyl iodoniums (CDPIs) with varied medium-ring sizes has been fully investigated. This practical copper-catalyzed tandem reaction of CDPIs with water as the oxygen source enables the construction of derivatised dibenzofurans and xanthenes at moderate to good yields. Moreover, structurally important xanthones are also successfully accessed under the oxygenation conditions with additional TEMPO.

Direct ortho-Acyloxylation of Arenes and Alkenes by Cobalt Catalysis

Lin, Cong,Chen, Zhengkai,Liu, Zhanxiang,Zhang, Yuhong

, p. 519 - 532 (2018/02/09)

An efficient protocol for the cobalt-catalyzed acyloxylation of arenes and alkenes with the assistance of an 8-aminoquinolyl auxiliary group is reported. In this transformation, benzoic acids, alkenyl acids, and aliphatic acids could be readily involved to afford structurally diverse esters. It is worth noting that the silver sulfate (Ag2SO4) oxidant is renewable and the directing group could be removed and recycled. The strategy represents the first successful example of transition metal-catalyzed acyloxylation of alkenyl carboxamides C(sp2)?H bonds with carboxylic acids. (Figure presented.).

Valuable building block for the synthesis of lunularic acid, hydrangeic acid and their analogues

Mukkamala, Ramesh,Hossain, Asik,Singh Aidhen, Indrapal

, p. 1085 - 1090 (2017/01/28)

A new functionalised sulphone-based building block has been synthesised that enabled C-C bond formation through Julia olefination. The utility of developed building block was demonstrated by successful synthesis of two natural products lunularic acid, hydrangeic acid and initial libraries of their analogues.

Carboxylation of Phenols with CO2 at Atmospheric Pressure

Luo, Junfei,Preciado, Sara,Xie, Pan,Larrosa, Igor

supporting information, p. 6798 - 6802 (2016/05/11)

A convenient and efficient method for the ortho-carboxylation of phenols under atmospheric CO2 pressure has been developed. This method provides an alternative to the previously reported Kolbe-Schmitt method, which requires very high pressures of CO2. The addition of a trisubstituted phenol has proved essential for the successful carboxylation of phenols with CO2 at standard atmospheric pressure, allowing the efficient preparation of a broad variety of salicylic acids.

Metabolically stable dibenzo[ b, e ]oxepin-11(6 H)-ones as highly selective p38 MAP kinase inhibitors: Optimizing anti-cytokine activity in human whole blood

Baur, Benjamin,Storch, Kirsten,Martz, Kathrin E.,Goettert, Marcia I.,Richters, André,Rauh, Daniel,Laufer, Stefan A.

supporting information, p. 8561 - 8578 (2013/12/04)

Five series of metabolically stable disubstituted dibenzo[b,e]oxepin-11(6H) -ones were synthesized and tested in a p38α enzyme assay for their inhibition of tumor necrosis factor-α (TNF-α) release in human whole blood. Compared to the monosubstituted dibenzo[b,e]oxepin-11(6H)-one derivatives, it has been shown that the additional introduction of hydrophilic residues at position 9 leads to a substantial improvement of the inhibitory potency and metabolic stability. Using protein X-ray crystallography, the binding mode of the disubstituted dibenzoxepinones and the induction of a glyince flip in the hinge region were confirmed. The most potent compound of this series, 32e, shows an outstanding biological activity on isolated p38α, with an IC50 value of 1.6 nM, extraordinary selectivity (by a factor >1000, Kinase WholePanelProfiler), and low ATP competitiveness. The ability to inhibit the release of TNF-α from human whole blood was optimized down to an IC50 value of 125 nM. With the promising dibenzoxepinone inhibitor 3i, a pharmacokinetic study in mice was conducted.

COMPOUNDS WITH 7-MEMBER CYCLE AND THE PHARMACEUTICAL USE THEREOF FOR PREVENTING AND TREATING DIABETES AND METABOLISM SYNDROME

-

Page/Page column 33, (2010/07/06)

The invention discloses a new use of a class of heptacyclic compounds in the preparation of formulations for the prevention and treatment of diabetes and metabolic syndromes; the present invention also discloses a new class of heptacyclic compounds; the present invention also discloses a process for preparing the heptacyclic compounds and a composition containing the same. The heptacyclic compounds of the present invention can be used to effectively preventing or treating diseases such as diabetes and metabolic syndromes.

CARBAZOLE CARBOXAMIDE COMPOUNDS USEFUL AS KINASE INHIBITORS

-

Page/Page column 33-34, (2010/07/04)

Compounds having the formula (I), and enantiomers, and diastereomers, pharmaceutically-acceptable salts, thereof, are useful as kinase modulators, including Btk modulation.

Enediyne antitumor antibiotic maduropeptin biosynthesis featuring a C-methyltransferase that acts on a COA-Tethered aromatic substrate

Ling, Jianya,Horsman, Geoffrey P.,Huang, Sheng-Xiong,Luo, Yinggang,Lin, Shuangjun,Shen, Ben

supporting information; experimental part, p. 12534 - 12536 (2010/11/04)

The enediyne antitumor antibiotic maduropeptin (MDP) is produced by Actinomadura madurae ATCC 39144. The biosynthetic pathway for the 3,6-dimethylsalicylic acid moiety of the MDP chromophore is proposed to be comprised of four enzymes: MdpB, MdpB1, MdpB2, and MdpB3. Based on the previously characterized biosynthesis of the naphthoic acid moiety of neocarzinostatin (NCS), we expected a biosynthetic pathway featuring carboxylic acid activation by the MdpB2 CoA ligase immediately before its coupling to an enediyne core intermediate. Surprisingly, the MDP aromatic acid biosynthetic pathway employs an unusual logic in which MdpB2-catalyzed CoA activation occurs before MdpB1-catalyzed C-methylation, demonstrating that MdpB1 is apparently unique in its ability to C-methylate a CoA-tethered aromatic acid. MdpB2 is a promiscuous CoA ligase capable of activating a variety of salicylic acid analogues, a property that could be potentially exploited to engineer MDP analogues.

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