• Name

  3,5-Dimethyl-1,2-cyclopentanedione

• EINECS 236-811-3
• CAS No. 13494-07-0
• Article Data3
• CAS DataBase
• Density 1.037 g/cm³
• Solubility
• Melting Point 87-95 °C(lit.)
• Formula C₇H₁₀O₂
• Boiling Point 187.365 °C at 760 mmHg
• Molecular Weight 126.155
• Flash Point 63.628 °C
• Transport Information
• Appearance white to pale yellow crystalline powder
• Safety
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms 3,5-Dimethylcyclopentane-1,2-dione
• PSA 34.14000
• LogP 0.80050

Synthetic route

2687-69-6

3,5-dimethyl-cyclopent-3-ene-1,2-dione

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

Conditions

Conditions	Yield
With Lindlar's catalyst; diethyl ether Hydrogenation;

10088-87-6

4,5-dioxo-cyclopentane-1,3-dicarboxylic acid diethyl ester

74-88-4

methyl iodide

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

Conditions

Conditions	Yield
With sodium ethanolate Erhitzen des Reaktionsprodukts mit wss. H2SO4;

2-methoxy-3,5-dimethyl-cyclopent-2-enone

2-methoxy-3,5-dimethyl-cyclopent-2-enone

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

Conditions

Conditions	Yield
With hydrogen iodide

1073239-44-7

5,6-diamino-3-(4-chlorobenzyl)-1-propylpyrimidine-2,4(1H,3H)-dione

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

1135922-51-8

3-(4-chlorobenzyl)-6,8-dimethyl-1-propyl-7,8-dihydro-1H-cyclopenta[g]pteridine-2,4(3H,6H)-dione

Conditions

Conditions	Yield
With acetic acid In methanol; DCM at 160℃; for 0.666667h; Microwave irradiation;	32%

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

108-24-7

acetic anhydride

2-acetoxy-3,5-dimethyl-cyclopent-2-enone

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

16420-13-6

N,N-Dimethylthiocarbamoyl chloride

110874-93-6

3,5-dimethyl-2-<(dimethylthiocarbamoyl)oxy>-2-cyclopenten-1-one

Conditions

Conditions	Yield
With lithium hydroxide In chloroform for 3h; Ambient temperature;

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

110874-92-5

2,4-dimethyl-4-<(dimethylcarbamoyl)thio>-2-cyclopenten-1-one

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: aq. lithium hydroxide / CHCl3 / 3 h / Ambient temperature 2: 37 percent / lithium chloride, acetic acid / 1.5 h / Heating View Scheme

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

2-hydroxy-3,5-dimethyl-cyclopentanone

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 2: platinum; dioxane / Hydrogenation 3: aqueous KOH View Scheme

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

859318-83-5

2-acetoxy-3,5-dimethyl-cyclopentanone

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 2: platinum; dioxane / Hydrogenation View Scheme

2,3-diamino-N-(4-methyl-cyclohexyl)-propionamide

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

7-hydroxy-5, 7-dimethyl-N-(trans-4-methylcyclohexyl)-6, 7-dihydro-5H-CYCLOPENTA [B] PYRAZINE-2-CARBOXAMIDE

Conditions

Conditions	Yield
With pyridinium p-toluenesulfonate In benzene Heating / reflux;

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

24544-04-5

2,6-diisopropylbenzenamine

6192-52-5

p-toluenesulfonic acid monohydrate

1210405-77-8

2,(2,6-diisopropylphenylamino)-3,5-dimethylcyclopent-2-enone

Conditions

Conditions	Yield
In toluene	2.5156 g (73.9%)
In toluene	2.5156 g (73.9%)

...Expand

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

24544-04-5

2,6-diisopropylbenzenamine

1210405-88-1

(E)-N-(5-(butylimino)-2,4-dimethylcyclopent-1-enyl)-2,6-diisopropylaniline

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: toluene 2: N-butylamine / titanium tetrachloride / toluene View Scheme

1005-02-3

pyridine-2-carboxamidrazone

13494-07-0

3,5-dimethyl-1,2-cyclopentanedione

C13H14N4

Conditions

Conditions	Yield
In tetrahydrofuran at 66℃; for 16h;	63 %Spectr.

3,5-Dimethyl-1,2-cyclopentanedione Chemical Properties

3,5-Dimethyl-1,2-cyclopentanedione Uses

3,5-Dimethyl-1,2-cyclopentanedione Safety Profile

3,5-Dimethyl-1,2-cyclopentanedione Specification