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Benzenesulfonamide, 4-formyl(9CI) is an organic compound with the molecular formula C7H7NO3S. It is a derivative of benzenesulfonamide, featuring a formyl group (-CHO) at the 4-position. Benzenesulfonamide, 4-formyl(9CI) is characterized by its potential reactivity and versatility in chemical synthesis, making it a valuable intermediate for various applications.

3240-35-5

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3240-35-5 Usage

Uses

Used in Pharmaceutical Industry:
Benzenesulfonamide, 4-formyl(9CI) is used as an intermediate in the synthesis of various pharmaceutical compounds. Its presence as an impurity in the synthesis of Mafenide (M110200), an antibacterial, highlights its importance in the development of new drugs with potential antibacterial properties.
Used in Chemical Synthesis:
Benzenesulfonamide, 4-formyl(9CI) serves as a versatile building block in the synthesis of a wide range of chemical compounds. Its reactivity and functional groups make it a valuable precursor for the development of new molecules with diverse applications in various industries, including pharmaceuticals, agrochemicals, and materials science.

Check Digit Verification of cas no

The CAS Registry Mumber 3240-35-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,4 and 0 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3240-35:
(6*3)+(5*2)+(4*4)+(3*0)+(2*3)+(1*5)=55
55 % 10 = 5
So 3240-35-5 is a valid CAS Registry Number.
InChI:InChI=1/C7H7NO3S/c8-12(10,11)7-3-1-6(5-9)2-4-7/h1-5H,(H2,8,10,11)

3240-35-5 Well-known Company Product Price

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  • (1286209)  Mafenide Related Compound A  United States Pharmacopeia (USP) Reference Standard

  • 3240-35-5

  • 1286209-50MG

  • 13,501.80CNY

  • Detail

3240-35-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-formylbenzenesulfonamide

1.2 Other means of identification

Product number -
Other names p-Aminosulphonylbenzaldehyde

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:3240-35-5 SDS

3240-35-5Synthetic route

4-cyanobenzenesulfonamide
3119-02-6

4-cyanobenzenesulfonamide

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With formic acid; aluminum nickel Stephen reduction;86%
With hydrogenchloride; diethyl ether und anschliessenden Behandeln mit einer Loesung von Zinn(II)-chlorid und Chlorwasserstoff in Aether;
With formic acid; nickel for 1h; Heating;
With formic acid
4-(hydroxymethyl)benzenesulfonamide
67472-44-0

4-(hydroxymethyl)benzenesulfonamide

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With Dess-Martin periodane In acetonitrile at 80℃; for 2h;83%
With dipyridinium dichromate In tetrahydrofuran for 2h; Molecular sieve;55%
With pyridinium chlorochromate In dichloromethane; acetone53%
(4-(N-acetylsulfamoyl)phenyl)methylene diacetate
796072-77-0

(4-(N-acetylsulfamoyl)phenyl)methylene diacetate

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With sulfuric acid In ethanol; water at 90℃; for 3h; Sealed tube;80%
N-methoxy-N-methyl-(4-sulfamoyl)benzamide
179057-35-3

N-methoxy-N-methyl-(4-sulfamoyl)benzamide

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 20 - 50℃; for 7h; Reduction;52%
4-[bis(acetyloxy)methyl]benzenesulfonamide
99856-72-1

4-[bis(acetyloxy)methyl]benzenesulfonamide

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With sulfuric acid; water In methanol Reflux;40%
With sulfuric acid In ethanol; water for 2h; Reflux;12%
With hydrogenchloride
With sulfuric acid
Stage #1: 4-[bis(acetyloxy)methyl]benzenesulfonamide With ethanol; sulfuric acid; water for 2.5h; Heating / reflux;
Stage #2: With potassium carbonate In water; ethyl acetate
N-methoxy-N-methyl-4-sulfonamidobenzamide

N-methoxy-N-methyl-4-sulfonamidobenzamide

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With LiAlH4 In tetrahydrofuran; methanol; chloroform16%
toluene-4-sulfonamide
70-55-3

toluene-4-sulfonamide

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
Trennung durch Ueberfuehren in das Anil;
Multi-step reaction with 2 steps
1: chromium(III) oxide; sulfuric acid / acetic acid / 5 - 10 °C
2: sulfuric acid; water / methanol / Reflux
View Scheme
Multi-step reaction with 2 steps
1: chromium(VI) oxide; sulfuric acid / 2.5 h / 0 - 5 °C
2: sulfuric acid / water; ethanol / 3 h / 90 °C / Sealed tube
View Scheme
Multi-step reaction with 2 steps
1: sulfuric acid; chromium(VI) oxide / 4 h / 5 - 10 °C / Cooling with ice
2: sulfuric acid / water; ethanol / 2 h / Reflux
View Scheme
N-<α,α-diacetoxy-toluene-sulfonyl-(4)>-acetamide

N-<α,α-diacetoxy-toluene-sulfonyl-(4)>-acetamide

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With hydrogenchloride
N-<4-sulfamoyl-benzyl>-hexamethylenetetraminium chloride

N-<4-sulfamoyl-benzyl>-hexamethylenetetraminium chloride

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With acetic acid
toluene-4-sulfonamide
70-55-3

toluene-4-sulfonamide

sodium p-toluenesulfonic acid chloroamide

sodium p-toluenesulfonic acid chloroamide

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With water
sulfanilamide
63-74-1

sulfanilamide

docosen-(13c)-oyl chloride

docosen-(13c)-oyl chloride

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: NaNO2; HCl
1.2: 53 percent / aq. CuSO4
2.1: 86 percent / Ni-Al; 75 percent aq. HCO2H
View Scheme
4-(aminosulfonyl)-benzoic acid
138-41-0

4-(aminosulfonyl)-benzoic acid

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73 percent / 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide / CH2Cl2 / 6 h / 20 °C
2: 52 percent / LiAlH4 / tetrahydrofuran / 7 h / 20 - 50 °C
View Scheme
Multi-step reaction with 2 steps
1.1: diborane / tetrahydrofuran / 18.5 h / 0 - 20 °C
1.2: 1.5 h / 0 °C / Reflux
2.1: Dess-Martin periodane / acetonitrile / 2 h / 80 °C
View Scheme
(4-(chlorosulfonyl)phenyl)methylene diacetate
69232-47-9

(4-(chlorosulfonyl)phenyl)methylene diacetate

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NH3
2: aqueous ethanol.H2SO4
View Scheme
p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: H2SO4; CrO3
2: NH3
3: aqueous ethanol.H2SO4
View Scheme
4-formylbenzene-1-sulfonyl chloride
85822-16-8

4-formylbenzene-1-sulfonyl chloride

4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Conditions
ConditionsYield
With ammonia In tetrahydrofuran at 20℃; for 3h;
With ammonia In 1,4-dioxane; dichloromethane at 20℃; for 3h;
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

1,3-diaminoguanidine hydrochloride
36062-19-8

1,3-diaminoguanidine hydrochloride

C15H17N7O4S2*ClH

C15H17N7O4S2*ClH

Conditions
ConditionsYield
In ethanol for 16h; Reflux;100%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

3-(3,4-difluorophenyl)-3-oxopropanenitrile
71682-97-8

3-(3,4-difluorophenyl)-3-oxopropanenitrile

4-(2-cyano-3-(3,4-difluorophenyl)-3-oxopropyl)benzenesulfonamide

4-(2-cyano-3-(3,4-difluorophenyl)-3-oxopropyl)benzenesulfonamide

Conditions
ConditionsYield
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; L-proline In ethanol at 60℃; for 0.5h;98%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

5-chloro-2-methoxybenzoylhydrazide
33977-11-6

5-chloro-2-methoxybenzoylhydrazide

C15H14ClN3O4S

C15H14ClN3O4S

Conditions
ConditionsYield
With acetic acid In ethanol for 15h; Reflux;96%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

4-methylsulfanylaniline
104-96-1

4-methylsulfanylaniline

4-methylthio-N-(4-sulfamoylbenzylidene)aniline

4-methylthio-N-(4-sulfamoylbenzylidene)aniline

Conditions
ConditionsYield
95%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

Benzoylacetonitrile
614-16-4

Benzoylacetonitrile

4-(2-cyano-3-oxo-3-phenylpropyl)benzenesulfonamide

4-(2-cyano-3-oxo-3-phenylpropyl)benzenesulfonamide

Conditions
ConditionsYield
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; L-proline In ethanol at 60℃; for 0.5h;94%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

4-(hydroxymethyl)benzenesulfonamide
67472-44-0

4-(hydroxymethyl)benzenesulfonamide

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol92%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

6-amino-4-cyclopentylaminoquinoline-3-carbonitrile
915364-11-3

6-amino-4-cyclopentylaminoquinoline-3-carbonitrile

4-({[3-cyano-4-(cyclopentylamino)quinolin-6-yl]amino}methyl)benzenesulfonamide

4-({[3-cyano-4-(cyclopentylamino)quinolin-6-yl]amino}methyl)benzenesulfonamide

Conditions
ConditionsYield
With sodium cyanoborohydride; acetic acid In ethanol at 25 - 30℃; pH=4;86%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

4-methoxy-aniline
104-94-9

4-methoxy-aniline

4-methoxy-N-(4-sulfamoylbenzylidene)aniline

4-methoxy-N-(4-sulfamoylbenzylidene)aniline

Conditions
ConditionsYield
85%
In methanol at 150℃; for 0.0833333h;76%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

N-Formylpiperidine
2591-86-8

N-Formylpiperidine

4-formyl-N-[(E)-piperidin-1-ylmethylidene]benzenesulfonamide

4-formyl-N-[(E)-piperidin-1-ylmethylidene]benzenesulfonamide

Conditions
ConditionsYield
With oxalyl dichloride In dichloromethane at 0 - 20℃; for 3h;84%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

p-toluidine
106-49-0

p-toluidine

N-(4-sulfamoylbenzylidene)-4-methylaniline

N-(4-sulfamoylbenzylidene)-4-methylaniline

Conditions
ConditionsYield
82%
In methanol at 150℃; for 0.0833333h;66%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

1-cyclopropyl-6-fluoro-7-(4-methylpiperazin-1-yl)quinolin-4(1H)-one-3-carboxylic acid-(2-thioxo-1,3-thiazolidin-4-one-3-yl)amide

1-cyclopropyl-6-fluoro-7-(4-methylpiperazin-1-yl)quinolin-4(1H)-one-3-carboxylic acid-(2-thioxo-1,3-thiazolidin-4-one-3-yl)amide

1-cyclopropyl-6-fluoro-7-(4-methylpiperazin-1-yl)quinolin-4(1H)-one-3-carboxylic acid-(2-sulfanylidene-5-p-sulfamoylphenylmethylidene-1,3-thiazolidin-4-one-3-yl)amide

1-cyclopropyl-6-fluoro-7-(4-methylpiperazin-1-yl)quinolin-4(1H)-one-3-carboxylic acid-(2-sulfanylidene-5-p-sulfamoylphenylmethylidene-1,3-thiazolidin-4-one-3-yl)amide

Conditions
ConditionsYield
With sodium acetate; acetic acid for 12h; Reflux;80.3%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

C21H22FN5O4S2

C21H22FN5O4S2

ofloxacin(5-p-sulfonamidobenzylidene-rhodanine-3-yl)amide

ofloxacin(5-p-sulfonamidobenzylidene-rhodanine-3-yl)amide

Conditions
ConditionsYield
With sodium acetate; acetic acid for 12h; Reflux;78.2%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

3-([1,1'-biphenyl]-3-yl)-3-oxopropanenitrile

3-([1,1'-biphenyl]-3-yl)-3-oxopropanenitrile

4-(3-([1,1'-biphenyl]-3-yl)-2-cyano-3-oxopropyl)benzenesulfonamide

4-(3-([1,1'-biphenyl]-3-yl)-2-cyano-3-oxopropyl)benzenesulfonamide

Conditions
ConditionsYield
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; L-proline In ethanol at 60℃; for 0.5h;78%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

5-bromo-2-indolin-2-one
20870-78-4

5-bromo-2-indolin-2-one

(E)-5-bromo-3-[[4-(sulfamoyl)phenyl]methylene]indolin-2-one
1261153-01-8

(E)-5-bromo-3-[[4-(sulfamoyl)phenyl]methylene]indolin-2-one

Conditions
ConditionsYield
With sodium acetate In acetic acid for 4h; Knoevenagel condensation; Reflux;77.8%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

3,4-dimethoxyaniline
6315-89-5

3,4-dimethoxyaniline

C15H16N2O4S

C15H16N2O4S

Conditions
ConditionsYield
In methanol at 150℃; for 0.0833333h;76%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

4-amino-phenol
123-30-8

4-amino-phenol

C13H12N2O3S

C13H12N2O3S

Conditions
ConditionsYield
In methanol at 150℃; for 0.0833333h;75%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

4-chloro-aniline
106-47-8

4-chloro-aniline

4-chloro-N-(4-sulfamoylbenzylidene)aniline

4-chloro-N-(4-sulfamoylbenzylidene)aniline

Conditions
ConditionsYield
72%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

4-fluoroaniline
371-40-4

4-fluoroaniline

4-fluoro-N-(4-sulfamoylbenzylidene)aniline

4-fluoro-N-(4-sulfamoylbenzylidene)aniline

Conditions
ConditionsYield
In methanol at 150℃; for 0.0833333h;72%
25%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

C21H23F2N5O3S2

C21H23F2N5O3S2

C28H28F2N6O5S3

C28H28F2N6O5S3

Conditions
ConditionsYield
With sodium acetate; acetic acid for 12h; Reflux;68%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

4-((((1S*,2R*)-2-phenylcyclopropyl)amino)methyl)benzenesulfonamide

4-((((1S*,2R*)-2-phenylcyclopropyl)amino)methyl)benzenesulfonamide

Conditions
ConditionsYield
Stage #1: 4-formyl-benzenesulfonamide; tranylcypromine hydrochloride With acetic acid In 1,2-dichloro-ethane at 20℃; for 2h;
Stage #2: With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane
68%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

4-methoxycarbonyl aniline
619-45-4

4-methoxycarbonyl aniline

C15H14N2O4S

C15H14N2O4S

Conditions
ConditionsYield
In methanol at 150℃; for 0.0833333h;65%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

levofloxacin(rhodanine-3-yl)-amide

levofloxacin(rhodanine-3-yl)-amide

levofloxacin (2-thio-5-sulfonamidophenyl-2-methylidene-thiazolidin-4-one-3-yl)-amide

levofloxacin (2-thio-5-sulfonamidophenyl-2-methylidene-thiazolidin-4-one-3-yl)-amide

Conditions
ConditionsYield
With sodium acetate; acetic acid for 12h; Reflux;64.5%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

methyl 5-amino-2-hydroxybenzoate
42753-75-3

methyl 5-amino-2-hydroxybenzoate

C15H14N2O5S

C15H14N2O5S

Conditions
ConditionsYield
In methanol at 150℃; for 0.0833333h;64%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

4-trifluoromethylphenylamine
455-14-1

4-trifluoromethylphenylamine

C14H11F3N2O2S

C14H11F3N2O2S

Conditions
ConditionsYield
In methanol at 150℃; for 0.0833333h;63%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

5-fluoroindol-2(3H)-one
56341-41-4

5-fluoroindol-2(3H)-one

(E)-5-fluoro-3-[[4-(sulfamoyl)phenyl]methylene]indolin-2-one
1261152-97-9

(E)-5-fluoro-3-[[4-(sulfamoyl)phenyl]methylene]indolin-2-one

Conditions
ConditionsYield
With sodium acetate In acetic acid for 4h; Knoevenagel condensation; Reflux;62.9%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

5-nitrooxindole
20870-79-5

5-nitrooxindole

(E)-5-nitro-3-[[4-(sulfamoyl)phenyl]methylene]indolin-2-one
1261153-02-9

(E)-5-nitro-3-[[4-(sulfamoyl)phenyl]methylene]indolin-2-one

Conditions
ConditionsYield
With sodium acetate In acetic acid for 4h; Knoevenagel condensation; Reflux;62.3%
4-formyl-benzenesulfonamide
3240-35-5

4-formyl-benzenesulfonamide

3-(2,6-dimethylphenoxy)propylamine
57420-88-9

3-(2,6-dimethylphenoxy)propylamine

4-((3-(2,6-dimethylphenoxy)propylamino)methyl)benzenesulfonamide hydrochloride

4-((3-(2,6-dimethylphenoxy)propylamino)methyl)benzenesulfonamide hydrochloride

Conditions
ConditionsYield
Stage #1: 4-formyl-benzenesulfonamide; 3-(2,6-dimethylphenoxy)propylamine In methanol at 20℃; Inert atmosphere;
Stage #2: With sodium tetrahydroborate In methanol at 20℃; Inert atmosphere;
Stage #3: With hydrogenchloride In methanol; water
62%

3240-35-5Relevant academic research and scientific papers

COMPOUNDS AND COMPOSITIONS FOR TREATING CONDITIONS ASSOCIATED WITH APJ RECEPTOR ACTIVITY

-

Page/Page column 288; 289, (2020/05/15)

This disclosure features chemical entities (e.g., a compound or a pharmaceutically acceptable salt and/or hydrate and/or prodrug of the compound) that modulate (e.g., agonize) the apelin receptor (also referred to herein as the APJ receptor; gene symbol APLNR). This disclosure also features compositions containing the same as well as other methods of using and making the same. The chemical entities are useful, e.g., for treating a subject (e.g., a human) having a disease, disorder, or condition in which a decrease in APJ receptor activity (e.g., repressed or impaired APJ receptor signaling; e.g., repressed or impaired apelin-APJ receptor signaling) or downregulation of endogenous apelin contributes to the pathology and/or symptoms and/or progression of the disease, disorder, or condition. Non-limiting examples of such diseases, disorders, or conditions include: (i) cardiovascular disease; (ii) metabolic disorders; (iii) diseases, disorders, and conditions associated with vascular pathology; and (iv) organ failure; (v) diseases, disorders, and conditions associated with infections (e.g., microbial infections); and (vi) diseases, disorders, or conditions that are sequela or comorbid with any of the foregoing or any disclosed herein. More particular non-limiting examples of such diseases, disorders, or conditions include pulmonary hypertension (e.g., PAH); heart failure; type II diabetes; renal failure; sepsis; and systemic hypertension.

PRO-DRUG FORMING COMPOUNDS

-

Page/Page column 44, (2015/02/02)

Various prodrug compounds having the general structure: Active agent- (acid)-(linker) - SO2NR1R2 are described herein. Compounds having this general structure were shown to be more orally active than the unmodified parent molecule.

CRYOPYRIN INHIBITORS FOR PREVENTING AND TREATING INFLAMMATION

-

, (2014/12/12)

Inhibitors that are anti-inflammatory agents are provided, as are methods of using the analogs to inhibit inflammation and prevent or treat diseases and conditions associated with inflammation, such as heart failure and autoimmune diseases.

SUBSTITUTED TRICYCLIC COMPOUNDS WITH ACTIVITY TOWARDS EP1 RECEPTORS

-

, (2013/10/22)

The present invention belongs to the field of EPl receptor ligands. More specifically it refers to compounds of general formula (I) having great affinity and selectivity for the EPl receptor. The invention also refers to the process for their preparation, to their use as medicament for the treatment and/or prophylaxis of diseases or disorders mediated by the EPl receptor as well as to pharmaceutical compositions comprising them.

Synthesis and biological evaluation of 3-[4-(amino/methylsulfonyl)phenyl] methylene-indolin-2-one derivatives as novel COX-1/2 and 5-LOX inhibitors

Lai, Yisheng,Ma, Lin,Huang, Wenxing,Yu, Xing,Zhang, Yihua,Ji, Hui,Tian, Jide

, p. 7349 - 7353 (2011/01/12)

Fourteen new 3-[4-(amino/methylsulfonyl)phenyl]methylene-indolin-2-one derivatives were synthesized. Six compounds displayed potent inhibitory activities against COX-1/2 and 5-LOX with IC50 in the range of 0.10-9.87 μM. Particularly, 10f exhibited well balanced inhibitory action on these enzymes (IC50 = 0.10-0.56 μM). More importantly, 10f and several other compounds had comparable or stronger anti-inflammatory and analgesic activities, but better gastric tolerability in vivo, as compared with darbufelone mesilate and tenidap sodium. Therefore, our findings may aid in the design of new and safe anti-inflammatory reagents for the intervention of painful inflammatory diseases, such as rheumatoid arthritis at clinic.

Design and synthesis of C60-benzenesulfonamide conjugates

Zakharian, Tatiana Y.,Christianson, David W.

scheme or table, p. 3645 - 3648 (2010/08/19)

Synthesis of C60-benzenesulfonamide conjugates is reported. The strategies for improving their water solubility, as required for binding to human carbonic anhydrase II, are discussed.

Dihydroquinone and dihydronaphthridine inhibitors of JNK

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Page/Page column 42, (2008/12/09)

Compounds of formula I are effective modulators of JNK: wherein X is CR11 or N;Y is —C(O)R3, 5-membered heteroaryl, or 5-membered heterocyclyl;Z is phenyl, cycloalkyl, heterocyclyl or heteroaryl, and is substituted with R1 and R2;R1 and R2 are each independently H, halo, CN, lower alkyl, or —Y1—Y2—Y3—R8, or R1 and R2 together form —O(CH2)nO—, where n is 1 or 2; Y1 is —O—, —C(O)—, —C(O)O—, —C(O)NR9—, —NR9C(O)—, —S—, —SO2—, or a bond;Y2 is cycloalkylene, heterocycloalkylene, lower alkylene or a bond;Y3 is —O—, —C(O)—, —C(O)O—, —C(O)NR9—, —NR9C(O)—, —SO2—, or a bond;R8 is H, lower alkyl, lower alkoxy, cycloalkyl, heterocycloalkyl, or —NR9R10, wherein R8 other than H is optionally substituted with lower alkyl, halo, —CF3, or —OH; R9 and R10 are each independently H or lower alkyl;R3 is OH, lower alkyl, lower alkoxy, (lower alkoxy)-lower alkoxy, or —NR9R10;R4 is lower alkyl, phenyl, heterocyclyl, cycloalkyl, heterocycloalkyl, or heteroaryl, and is optionally substituted with lower alkyl, hydroxy, lower alkoxy, halo, nitro, amino, cyano, or halo-lower alkyl;R5 and R6 are each independently H, halo, cyano, lower alkyl, —CF3, lower alkoxy, —OCHF2, —NO2, or —NR9R10;R7 is H, F, Cl, methyl, or OH;R11 is H, lower alkyl, lower cycloalkyl, or phenyl;or a pharmaceutically acceptable salt thereof.

Selective COX-2 inhibitors. Part 2: Synthesis and biological evaluation of 4-benzylideneamino- and 4-phenyliminomethyl-benzenesulfonamides

Lin, Shwu-Jiuan,Tsai, Wei-Jern,Chiou, Wen-Fei,Yang, Tsang-Hsiung,Yang, Li-Ming

, p. 2697 - 2706 (2008/09/21)

Two series of 4-benzylideneamino- and 4-phenyliminomethyl-benzenesulfonamide derivatives were designed and synthesized for the evaluation as selective cyclooxygenase-2 (COX-2) inhibitors in a cellular assay using human whole blood (HWB). Extensive structure-activity relationships (SAR) were studied within these series. Several compounds were found to be novel and selective COX-2 inhibitors. Among them, the most potent and selective was 4-(3-carboxy-4-hydroxy-benzylideneamino)benzenesulfonamide (20, LA2135), (IC50's for COX-1: 85.13 μM; COX-2: 0.74 μM; SI: 114.5), being more active COX-2 selective than celecoxib.

HYDRAZONE DERIVATIVE

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Page/Page column 57, (2010/11/08)

A compound represented by the following formula (I): wherein R1 represents hydrogen, aryl which may have a substituent, a saturated or unsaturated 5- to 7-membered heterocyclic group which may have a substituent, etc.; R2 represents hydrogen, aryl which may have a substituent, a saturated or unsaturated 5- to 7-membered heterocyclic group which may have a substituent, etc.; R3 represents hydrogen, etc.; Ar represents a divalent group derived from aromatic hydrocarbon, etc.; X represents a single bond, linear or branched alkylene having from 1 to 3 carbon atoms which may have a substituent, etc.; and G represents halogen, a saturated or unsaturated 5- or 6-membered cyclic hydrocarbon group which may have a substituent, a saturated or unsaturated 5- to 7-membered heterocyclic group which may have a substituent, etc., a salt thereof or a solvate thereof; and an agent for inhibiting aggregation and/or deposition of an amyloid protein or an amyloid-like protein, which comprises the compound, a salt thereof or a solvate thereof

DERIVATIVES OF PYRAZOLINE, PROCEDURE FOR OBTAINING THEM AND USE THEREOF AS THERAPEUTIC AGENTS

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Page/Page column 23-24, (2008/06/13)

The invention relates to derivatives of general formula (I), and to their pharmaceutically acceptable salts, their stereoisomeric forms, preferably their pure enantiomeric or diastereomeric forms and their racemic forms, or a mixture thereof in any mixture ratio, and their N-oxides and the corresponding solvates or hydrates, to the processes for obtaining said derivatives and to the pharmaceutical compositions which contain them. Said derivatives are useful as anti-inflammatory and analgesic agents. In which R and R1 are different from each other and are selected from H and.

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