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108-83-8

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108-83-8 Usage

General Description

Diisobutyl ketone, also known as DIBK, is a colorless liquid organic compound with a characteristic odor. It is commonly used as a solvent in the production of lacquers, paints, varnishes, and coatings, as well as in the manufacture of adhesives and cleaning products. DIBK also finds applications in the extraction of rare earth metals, the production of rubber and plastics, and as an intermediate in the synthesis of various chemical compounds. It is considered to have low acute toxicity, but prolonged exposure to high concentrations of DIBK may cause irritation to the skin, eyes, and respiratory system. Overall, diisobutyl ketone is a versatile and widely used chemical in the manufacturing and chemical industries.

Check Digit Verification of cas no

The CAS Registry Mumber 108-83-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,0 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 108-83:
(5*1)+(4*0)+(3*8)+(2*8)+(1*3)=48
48 % 10 = 8
So 108-83-8 is a valid CAS Registry Number.
InChI:InChI=1/C9H18O/c1-6(2)9(7(3)4)8(5)10/h6-7,9H,1-5H3

108-83-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,6-Dimethyl-4-heptanone

1.2 Other means of identification

Product number -
Other names DIISOBUTYL KETONE (DIBK): CP

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
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:108-83-8 SDS

108-83-8Synthetic route

2,6-dimethyl-4-heptanol
108-82-7

2,6-dimethyl-4-heptanol

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With 1‐methyl‐2‐azaadamantane‐N‐oxyl; sodium hypochlorite pentahydrate; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane at 25 - 30℃; for 3.25h; Reagent/catalyst;95%
With sodium hypochlorite; tetrabutylammomium bromide; potassium bromide; 1-methyl-2-azaadamantane-N-oxyl In dichloromethane at 0℃; for 0.333333h; Product distribution / selectivity;88%
With Cr2O3-H2SO4
phorone
504-20-1

phorone

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With ethanol; lithium; nickel dichloride In tetrahydrofuran at 20℃; for 12h;91%
With triethylsilane; ethanol; palladium dichloride for 6h; Heating;90%
With formic acid; (η5-C4Ph4COHOC4Ph4-η5)(μ-H)(CO)4Ru2 at 100℃; for 1.2h;88%
2,6-dimethyl-4-heptanone oxime
52435-41-3

2,6-dimethyl-4-heptanone oxime

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With chromium(VI) oxide; silica gel In dichloromethane for 0.0166667h; Irradiation;88%
With chromyl chloride; bentonite In benzene for 4h; Heating;70%
2,6-dimethyl-heptan-4-one-(2,4-dinitro-phenylhydrazone)
5335-89-7

2,6-dimethyl-heptan-4-one-(2,4-dinitro-phenylhydrazone)

A

meta-dinitrobenzene
99-65-0

meta-dinitrobenzene

B

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With lithium perchlorate In water; acetonitrile at 25℃; electrolysis;A 45%
B 59%
tetrachloromethane
56-23-5

tetrachloromethane

4-hydroxy-3-isopropyl-6-methyl-hept-3-en-2-one

4-hydroxy-3-isopropyl-6-methyl-hept-3-en-2-one

A

diisobutyl ketone
108-83-8

diisobutyl ketone

B

4-methyl-2-pentanone
108-10-1

4-methyl-2-pentanone

3-methylbutyric acid
503-74-2

3-methylbutyric acid

2-methylpropylmagnesium chloride
5674-02-2

2-methylpropylmagnesium chloride

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
at 360℃; das Magnesiumchlorid-Salz der Isovaleriansaeure reagiert bei der trocknen Destillation;
3-methylbutyric acid
503-74-2

3-methylbutyric acid

isobutylmagnesium bromide
926-62-5

isobutylmagnesium bromide

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
at 360℃; das Magnesiumbromid-Salz der Isovaleriansaeure reagiert bei der trocknen Destillation;
3-methylbutyric acid
503-74-2

3-methylbutyric acid

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With cadmium(II) oxide at 420 - 430℃;
With calcium carbonate at 450 - 500℃;
With iron(II) oxide at 480 - 490℃;
Isovaleric anhydride
1468-39-9

Isovaleric anhydride

2-methylpropylmagnesium chloride
5674-02-2

2-methylpropylmagnesium chloride

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With diethyl ether
Isovaleric anhydride
1468-39-9

Isovaleric anhydride

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With calcium carbonate at 450 - 500℃;
diethyl ether
60-29-7

diethyl ether

phorone
504-20-1

phorone

1,2-disodiotetraphenylethane
7381-16-0

1,2-disodiotetraphenylethane

A

diisobutyl ketone
108-83-8

diisobutyl ketone

B

1,1,2,2-tetraphenylethylene
632-51-9

1,1,2,2-tetraphenylethylene

diethyl ether
60-29-7

diethyl ether

Ethyl isovalerate
108-64-5

Ethyl isovalerate

lithium diethylamide
816-43-3

lithium diethylamide

A

N,N-diethyl-3-methylbutanamide
533-32-4

N,N-diethyl-3-methylbutanamide

B

diisobutyl ketone
108-83-8

diisobutyl ketone

diethyl ether
60-29-7

diethyl ether

Ethyl isovalerate
108-64-5

Ethyl isovalerate

tert-butylmagnesium chloride
677-22-5

tert-butylmagnesium chloride

A

diisobutyl ketone
108-83-8

diisobutyl ketone

B

2,2,5-trimethylhexan-3-one
14705-50-1

2,2,5-trimethylhexan-3-one

Conditions
ConditionsYield
unter Kuehlung, dann in Toluol bei 100-115grad;
i-Amyl alcohol
123-51-3

i-Amyl alcohol

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With copper oxide thorium oxide; hydrogen at 425℃;
With chromium(III) oxide at 400℃;
4-isobutyl-2,2,6-trimethyl-heptan-4-ol
737721-20-9

4-isobutyl-2,2,6-trimethyl-heptan-4-ol

A

Isobutane
75-28-5

Isobutane

B

2,2-dimethylpropane
463-82-1

2,2-dimethylpropane

C

diisobutyl ketone
108-83-8

diisobutyl ketone

D

2,2,6-trimethyl-heptan-4-one
40239-19-8

2,2,6-trimethyl-heptan-4-one

Conditions
ConditionsYield
at 257℃; Natrium-Verbindung reagiert;
2-isobutyl-4-methyl-valeronitrile
29770-70-5

2-isobutyl-4-methyl-valeronitrile

A

2,6-dimethylheptane
1072-05-5

2,6-dimethylheptane

B

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With sodium at 140℃;
With sodium at 140℃; Zersetzen des Reaktionsprodukts mit Wasser;
3-hydroxy-2-isopropyl-5-methyl-hexanal
40853-49-4

3-hydroxy-2-isopropyl-5-methyl-hexanal

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With chromic acid
isobutylmagnesium bromide
926-62-5

isobutylmagnesium bromide

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
bei der trockenen Destillation des erhaltenen Magnesiumbromid-isovalerianats bei 360grad;
2-methylpropylmagnesium chloride
5674-02-2

2-methylpropylmagnesium chloride

2,2-dimethylmalonic acid diethyl ester
1619-62-1

2,2-dimethylmalonic acid diethyl ester

A

2,5-dimethylhexan-3-one
1888-57-9

2,5-dimethylhexan-3-one

B

diisobutyl ketone
108-83-8

diisobutyl ketone

4-methyl-2-pentanone
108-10-1

4-methyl-2-pentanone

isopropyl alcohol
67-63-0

isopropyl alcohol

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With copper oxide-magnesium oxide; magnesium oxide at 190 - 200℃;
isopropyl alcohol
67-63-0

isopropyl alcohol

acetone
67-64-1

acetone

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With CuO/ZnO/Al2O3 at 400℃; im Autoklaven;
With copper oxide-magnesium oxide; magnesium oxide at 170 - 180℃;
isopropyl alcohol
67-63-0

isopropyl alcohol

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With aluminum oxide; magnesium oxide at 490℃;
With magnesium oxide; copper(II) oxide at 250℃;
With zinc-copper-cadmium-chromite at 360℃;
acetone
67-64-1

acetone

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With hydrogen; nickel at 200 - 300℃;
With hydrogen; nickel at 300℃;
acetone
67-64-1

acetone

A

diisobutyl ketone
108-83-8

diisobutyl ketone

B

4-methyl-2-pentanone
108-10-1

4-methyl-2-pentanone

Conditions
ConditionsYield
With aluminum oxide; nickel at 200℃; Hydrogenation;
With nickel; titanium(IV) oxide at 200℃; Hydrogenation;
With aluminum oxide; copper at 200℃; Hydrogenation;
diisobutylzinc
1854-19-9

diisobutylzinc

isopentanoyl chloride
108-12-3

isopentanoyl chloride

diisobutyl ketone
108-83-8

diisobutyl ketone

2,2-dichloro-1,3-benzodioxole
2032-75-9

2,2-dichloro-1,3-benzodioxole

triisobutylborane
1116-39-8

triisobutylborane

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With hydroxide; methyllithium; dihydrogen peroxide 1.) THF, RT, 1 h, 2.) THF, RT; Yield given. Multistep reaction;
triisobutylborane
1116-39-8

triisobutylborane

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With sodium hydroxide; n-butyllithium; 4,4-dimethyl-2-oxazoline; N,N,N,N,-tetramethylethylenediamine; dihydrogen peroxide; methyl iodide Yield given. Multistep reaction;
isopropyl alcohol
67-63-0

isopropyl alcohol

A

4-methyl-pent-3-en-2-one
141-79-7

4-methyl-pent-3-en-2-one

B

diisobutyl ketone
108-83-8

diisobutyl ketone

C

4-methyl-2-pentanone
108-10-1

4-methyl-2-pentanone

D

acetone
67-64-1

acetone

Conditions
ConditionsYield
With Mg2.0Ni at 199.9℃; for 0.000661111h; Product distribution; also Mg2Ni(O-Mg2Ni); var. temp.; var. time;
lanthanum(III) oxide; nickel at 199.9℃; for 0.000666667h; Product distribution; Mechanism; Thermodynamic data; other substrate, catalyst and temperatures, E(activ.);
triisobutylaluminum
100-99-2

triisobutylaluminum

isopentanoyl chloride
108-12-3

isopentanoyl chloride

A

2,6-dimethyl-2-hepten-4-one
16525-05-6

2,6-dimethyl-2-hepten-4-one

B

diisobutyl ketone
108-83-8

diisobutyl ketone

Conditions
ConditionsYield
With aluminium trichloride In dichloromethane at 20℃; for 1h; Yield given;
acetone
67-64-1

acetone

A

Methyl isobutyl carbinol
108-11-2

Methyl isobutyl carbinol

B

4-methyl-pent-3-en-2-one
141-79-7

4-methyl-pent-3-en-2-one

C

diisobutyl ketone
108-83-8

diisobutyl ketone

D

4-methyl-2-pentanone
108-10-1

4-methyl-2-pentanone

Conditions
ConditionsYield
With hydrogen; Cu on MgO; imp(773) at 299.85℃; Product distribution; Further Variations:; Temperatures; Reagents; Catalysts; Condensation;
diisobutyl ketone
108-83-8

diisobutyl ketone

t-butoxycarbonylhydrazine
870-46-2

t-butoxycarbonylhydrazine

N-[1-aza-4-methyl-2-(2-methylpropyl)pent-1-enyl](tert-butoxy)carboxamide
693288-00-5

N-[1-aza-4-methyl-2-(2-methylpropyl)pent-1-enyl](tert-butoxy)carboxamide

Conditions
ConditionsYield
In methanol at 20℃;100%
SO2 Cl2

SO2 Cl2

diisobutyl ketone
108-83-8

diisobutyl ketone

A

3-chlor-2,6-dimethyl-4-heptanon
61295-54-3

3-chlor-2,6-dimethyl-4-heptanon

B

3-methallylthio-2,6-dimethyl-4-heptanone
64549-17-3

3-methallylthio-2,6-dimethyl-4-heptanone

Conditions
ConditionsYield
In waterA 97%
B n/a
diisobutyl ketone
108-83-8

diisobutyl ketone

2,6-dimethylheptane
1072-05-5

2,6-dimethylheptane

Conditions
ConditionsYield
With hydrogen at 120℃; under 15751.6 Torr;95%
With sodium; hydrazine hydrate; diethylene glycol
With hydrogenchloride; amalgamated zinc
diisobutyl ketone
108-83-8

diisobutyl ketone

2,6-dimethyl-4-heptanol
108-82-7

2,6-dimethyl-4-heptanol

Conditions
ConditionsYield
With Triethoxysilane; cesium fluoride at 25℃; for 1h;95%
With hydrogen at 150℃; under 9750.98 Torr;95%
With sodium; C32H28ClN5OPRu(1+)*F6P(1-) In isopropyl alcohol at 82℃; for 1h; Inert atmosphere; Schlenk technique;30%
formic acid
64-18-6

formic acid

diisobutyl ketone
108-83-8

diisobutyl ketone

2,6-dimethyl-4-heptyl formate

2,6-dimethyl-4-heptyl formate

Conditions
ConditionsYield
(η5-C4Ph4COHOC4Ph4-η5)(μ-H)(CO)4Ru2 at 100℃; for 3h;95%
diisobutyl ketone
108-83-8

diisobutyl ketone

ethyltriphenylphosphonium iodide
4736-60-1

ethyltriphenylphosphonium iodide

3-isobutyl-5-methyl-hex-2-ene

3-isobutyl-5-methyl-hex-2-ene

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran for 24h; Reflux;94%
diisobutyl ketone
108-83-8

diisobutyl ketone

vinyl magnesium bromide
1826-67-1

vinyl magnesium bromide

5-methyl-3-(2-methylpropyl)hex-1-en-3-ol
21378-11-0

5-methyl-3-(2-methylpropyl)hex-1-en-3-ol

Conditions
ConditionsYield
In tetrahydrofuran at -78 - 20℃;92%
In tetrahydrofuran at -78 - 20℃;
In tetrahydrofuran at -78 - 20℃; for 1h;
diisobutyl ketone
108-83-8

diisobutyl ketone

naphthalene-1,8-diamine
479-27-6

naphthalene-1,8-diamine

2,3-dihydro-2,2-diisobutylperimidine
43057-72-3

2,3-dihydro-2,2-diisobutylperimidine

Conditions
ConditionsYield
With bis(oxalato)boric acid In ethanol for 0.25h; Reflux;90%
With toluene-4-sulfonic acid In toluene at 110℃; for 7h; Inert atmosphere;90%
With Amberlyst-15 In ethanol at 80℃; for 0.5h; Green chemistry;90%
diisobutyl ketone
108-83-8

diisobutyl ketone

acetonitrile
75-05-8

acetonitrile

2-Acetamido-2,6-dimethyl-4-heptanon
52890-47-8

2-Acetamido-2,6-dimethyl-4-heptanon

Conditions
ConditionsYield
Stage #1: diisobutyl ketone; acetonitrile With zinc trifluoromethanesulfonate; 1-(chloromethyl)-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(hexafluorophosphate); copper(ll) bromide at 20℃; for 0.0833333h; Inert atmosphere;
Stage #2: With sodium hydroxide In water for 0.0833333h;
89%
(electrochemical oxidation);
morpholine
110-91-8

morpholine

diisobutyl ketone
108-83-8

diisobutyl ketone

4-(2,6-dimethyl-3-hepten-4-yl)morpholine
78593-92-7

4-(2,6-dimethyl-3-hepten-4-yl)morpholine

Conditions
ConditionsYield
With titanium tetrachloride In hexane at 70℃; for 2h;87.7%
diisobutyl ketone
108-83-8

diisobutyl ketone

phthalic acid dimethyl ester
131-11-3

phthalic acid dimethyl ester

2,3-dihydro-2-isopropyl-1H-indene-1,3-dione
134361-57-2

2,3-dihydro-2-isopropyl-1H-indene-1,3-dione

Conditions
ConditionsYield
With sodium hydride In toluene; mineral oil Reflux;87%
With sodium hydride In benzene for 3h;45%
diisobutyl ketone
108-83-8

diisobutyl ketone

(2,4,6-tri-tert-butylphenoxy)dimethylsilyl chloride
79746-31-9

(2,4,6-tri-tert-butylphenoxy)dimethylsilyl chloride

((Z)-1-Isobutyl-3-methyl-but-1-enyloxy)-dimethyl-(2,4,6-tri-tert-butyl-phenoxy)-silane

((Z)-1-Isobutyl-3-methyl-but-1-enyloxy)-dimethyl-(2,4,6-tri-tert-butyl-phenoxy)-silane

Conditions
ConditionsYield
With triethylamine; sodium iodide In acetonitrile for 3h; Heating;86%
diisobutyl ketone
108-83-8

diisobutyl ketone

2-chloro-benzaldehyde
89-98-5

2-chloro-benzaldehyde

(E)-1-chloro-2-(3-methylbut-1-en-1-yl)benzene

(E)-1-chloro-2-(3-methylbut-1-en-1-yl)benzene

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In hexane for 4.5h; Heating;83%
With boron trifluoride diethyl etherate In hexane at 65℃;50%
diisobutyl ketone
108-83-8

diisobutyl ketone

phenyl methoxymethyl sulfone
15251-78-2

phenyl methoxymethyl sulfone

4-(Benzenesulfonyl-methoxy-methyl)-2,6-dimethyl-heptan-4-ol
159190-98-4

4-(Benzenesulfonyl-methoxy-methyl)-2,6-dimethyl-heptan-4-ol

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran at -78℃;82%
With n-butyllithium In tetrahydrofuran; hexane 1.) -78 deg C, 15 min, 2.) -78 deg C, 30 min;82%
formaldehyd
50-00-0

formaldehyd

diisobutyl ketone
108-83-8

diisobutyl ketone

2-isopropyl-5-methyl-1-hexen-3-one

2-isopropyl-5-methyl-1-hexen-3-one

Conditions
ConditionsYield
With morpholine; acetic acid In water for 28h; Heating;82%
With morpholine In water; acetic acid Mannich reaction; Heating;
n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

diisobutyl ketone
108-83-8

diisobutyl ketone

2-methyl-4-isobutyloctan-4-ol

2-methyl-4-isobutyloctan-4-ol

Conditions
ConditionsYield
In diethyl ether at 0℃; Inert atmosphere;80%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

diisobutyl ketone
108-83-8

diisobutyl ketone

Z/E-2,6-Dimethyl-4-(trimethylsiloxy)-3-hepten
2346-34-1

Z/E-2,6-Dimethyl-4-(trimethylsiloxy)-3-hepten

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide76%
diisobutyl ketone
108-83-8

diisobutyl ketone

4-methoxy-benzylamine
2393-23-9

4-methoxy-benzylamine

N-(4-methoxybenzyl)-2,6-dimethyl-4-heptanimine
588708-15-0

N-(4-methoxybenzyl)-2,6-dimethyl-4-heptanimine

Conditions
ConditionsYield
In toluene Heating;76%
diisobutyl ketone
108-83-8

diisobutyl ketone

hexamethylenetetramine
100-97-0

hexamethylenetetramine

5,7-diisopropyl-6-oxo-1,3-diazaadamantane
103086-95-9

5,7-diisopropyl-6-oxo-1,3-diazaadamantane

Conditions
ConditionsYield
With acetic acid In butan-1-ol Heating;75.5%
methanol
67-56-1

methanol

diisobutyl ketone
108-83-8

diisobutyl ketone

(Z)-2-Isopropyl-4-methyl-pent-2-enoic acid methyl ester

(Z)-2-Isopropyl-4-methyl-pent-2-enoic acid methyl ester

Conditions
ConditionsYield
With potassium hydroxide; iodine at -5 - 20℃;75%
diisobutyl ketone
108-83-8

diisobutyl ketone

2,3-dibromo-6,7-dihydroxynaphthalene
69338-24-5

2,3-dibromo-6,7-dihydroxynaphthalene

6,7-dibromo-2,2-diisobutylnaphtho[2,3-d][1,3]dioxole
1613473-08-7

6,7-dibromo-2,2-diisobutylnaphtho[2,3-d][1,3]dioxole

Conditions
ConditionsYield
With toluene-4-sulfonic acid In water; toluene for 192h; Dean-Stark; Reflux;74%
diisobutyl ketone
108-83-8

diisobutyl ketone

cyclopropyldiphenylsulfonium tetrafluoroborate
33462-81-6

cyclopropyldiphenylsulfonium tetrafluoroborate

C12H22O

C12H22O

Conditions
ConditionsYield
With potassium hydroxide In dimethyl sulfoxide at 20℃; Inert atmosphere;73%
diisobutyl ketone
108-83-8

diisobutyl ketone

1,4-diaminobutane
110-60-1

1,4-diaminobutane

N,N'-bis(2,6-dimethyl-4-heptyl)-1,4-butanediamine

N,N'-bis(2,6-dimethyl-4-heptyl)-1,4-butanediamine

Conditions
ConditionsYield
With platinum on activated charcoal; hydrogen at 28 - 92℃; under 45004.5 Torr; for 35h;72.6%
diisobutyl ketone
108-83-8

diisobutyl ketone

3,5-dibromo-2,6-dimethyl-heptan-4-one
30957-25-6

3,5-dibromo-2,6-dimethyl-heptan-4-one

Conditions
ConditionsYield
With bromine; acetic acid for 1h; Ambient temperature;72%
With bromine In acetic acid
Cyclohexyl isocyanide
931-53-3

Cyclohexyl isocyanide

diisobutyl ketone
108-83-8

diisobutyl ketone

N-Cbz-L-Phe
1161-13-3

N-Cbz-L-Phe

4-methoxy-benzylamine
2393-23-9

4-methoxy-benzylamine

N-benzyloxycarbonyl-L-phenylalanyl-(N-(4-methoxybenzyl)-α,α-diisobutyl)glycine cyclohexylamide
655239-33-1

N-benzyloxycarbonyl-L-phenylalanyl-(N-(4-methoxybenzyl)-α,α-diisobutyl)glycine cyclohexylamide

Conditions
ConditionsYield
for 504h; Ugi-Passerini reaction;70.1%
diisobutyl ketone
108-83-8

diisobutyl ketone

trifluoromethylsulfonic anhydride
358-23-6

trifluoromethylsulfonic anhydride

(E/Z)-1-(2-methylpropyl)-3-methyl-1-buten-1-yl-triflate
111982-13-9, 111982-14-0

(E/Z)-1-(2-methylpropyl)-3-methyl-1-buten-1-yl-triflate

Conditions
ConditionsYield
With sodium carbonate In dichloromethane for 24h; Ambient temperature;70%
diisobutyl ketone
108-83-8

diisobutyl ketone

tributyl(methoxymethyl)stannane
27490-32-0

tributyl(methoxymethyl)stannane

4-methoxymethyl-2,6-dimethyl-heptan-4-ol
66031-36-5

4-methoxymethyl-2,6-dimethyl-heptan-4-ol

Conditions
ConditionsYield
With n-butyllithium In diethyl ether at -70℃;70%

108-83-8Related news

(Liquid + liquid) equilibria of (water + propionic acid + methyl isoamyl ketone or Diisobutyl ketone (cas 108-83-8) or ethyl isoamyl keton) at T = 298.2 K08/21/2019

(Liquid + liquid) equilibrium (LLE) data for (water + propionic acid + solvent) were measured at T = 298.2 K and atmospheric pressure. The solvents were methyl isoamyl ketone (5-methyl-2-hexanone), ethyl isoamyl ketone (5-methyl-3-heptanone) and diisobutyl ketone. The tie-line data were correlat...detailed

Comparative metabolism and pharmacokinetics of Diisobutyl ketone (cas 108-83-8) and diisobutyl carbinol in male SD rats08/20/2019

Diisobutyl ketone (DIBK) and diisobutyl carbinol (DIBC) are important organic solvents widely used as industrial intermediates. It was hypothesized that DIBC and DIBK have common metabolic pathways and metabolites, and as such, toxicological data on DIBK could be used to characterize the hazards...detailed

108-83-8Relevant articles and documents

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Hamell,Levine

, p. 162,165 (1950)

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Zook et al.

, p. 1617,1619 (1959)

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Rampersad,M.B.,Stothers,J.B.

, p. 709 - 711 (1976)

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O'Neill,Reed

, p. 3911 (1953)

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Effect of metal modification of titania and hydrogen co-feeding on the reaction pathways and catalytic stability in the acetone aldol condensation

Quesada,Faba,Díaz, Eva,Ordó?ez, Salvador

, p. 133 - 144 (2019/08/01)

A stable performance of TiO2 catalysts for gas-phase acetone aldol condensation was observed when reduced metals were added (Pt or Ni, 1.5 wt%) and the reactions were conducted in presence of hydrogen. In both cases, the resulting metal-loaded catalysts are stable for 10 h, whereas continuous deactivation is observed for the parent TiO2 catalyst (573 K). Both the activation of the H2 molecule by metal nanoparticles and the change of the catalytic surface by metal insertion (in the case of Ni-loaded catalyst) enable suppressing oligomerization (by hindering enolates formation) and the strong adsorption of intermediates (by decreasing the concentration of high-strength acid-basic active sites), respectively. More interestingly, these metals allow to tune the selectivity of the reaction. Indeed, the Ni-loaded titania catalyst is highly selective for the synthesis of α,β-unsaturated ketones (selectivity to unsaturated C6 and C9 species >98%, at ~12% acetone conversion), whereas the Pt-loaded one is highly selective to the formation of saturated C6 and C9 ketones (MIBK and DIBK, with selectivities >95% at ~42% acetone conversion). The catalytic activity and stability of the two materials (Ni/TiO2 and Pt/TiO2) in both absence and presence of H2 are compared between them and with those of the parent TiO2. The results obtained by the reaction gas-phase analysis are supplemented through different solid characterization techniques (i.e., CO2-TPD and NH3-TPD, HRTEM, XPS, TPO, and DRIFTS).

METHOD OF FORMING DIBK

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Paragraph 0014; 0015; 0016; 0017; 0018; 0019; 0020-0025, (2017/06/24)

A method of forming diisobutyl ketone (DIBK) is provided, which includes: (i) simultaneously providing methyl isobutyl ketone (MIBK), acetone, and hydrogen to a front end of a continuous serial reactor, wherein the MIBK and the acetone is condensed by a condensation catalyst to form an intermediate product; and (ii) hydrogenating the intermediate product to form a product by a hydrogenation catalyst at a back end of the continuous serial reactor, wherein the product includes DIBK.

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