• Name

  CASHMERAN

• EINECS 251-649-3
• CAS No. 33704-61-9
• Article Data8
• CAS DataBase
• Density 0.966 g/cm³
• Solubility 49.1mg/L at 20℃
• Melting Point
• Formula C₁₄H₂₂O
• Boiling Point 286.116 °C at 760 mmHg
• Molecular Weight 206.328
• Flash Point 126.979 °C
• Transport Information
• Appearance
• Safety
• Risk Codes 22
• Molecular Structure
• Hazard Symbols Xn
• Synonyms 4(5H)-Indanone,6,7-dihydro-1,1,2,3,3-pentamethyl- (8CI);6,7-Dihydro-1,1,2,3,3-pentamethyl-4(5H)-indanone;
• PSA 17.07000
• LogP 3.73810

Synthetic route

33704-59-5

2,3,4,5,6,7-hexahydro-1,1,2,3,3-pentamethyl-1H-indene

33704-61-9

cashmeran

Conditions

Conditions	Yield
Stage #1: 2,3,4,5,6,7-hexahydro-1,1,2,3,3-pentamethyl-1H-indene With oxygen; cobalt-naphthenate catalyst (ALDRICH, 6 wt percent Co) In mineral spirits; water at 125℃; for 17h; Stage #2: With oxygen; Au-CeO2 catalyst In mineral spirits; water at 125℃; for 24h; Product distribution / selectivity;

33704-59-5

2,3,4,5,6,7-hexahydro-1,1,2,3,3-pentamethyl-1H-indene

A

33711-43-2

1,1,2,3,3-pentamethyl-4-hydroxy-4,5,6,7-tetrahydroindane

B

33704-61-9

cashmeran

Conditions

Conditions	Yield
With oxygen; cobalt-naphthenate catalyst (ALDRICH, 6 wt percent Co) In mineral spirits; water at 125℃; for 17h; Product distribution / selectivity;

7,7,8,9,9-pentamethyllbicyclo[4.3.0]nonan-2-one

33704-61-9

cashmeran

Conditions

Conditions	Yield
With Pd(DMSO)2(trifluoroacetate)2; oxygen; acetic acid at 100℃; under 760.051 Torr;	70 %Chromat.

5162-44-7

1-bromo-4-butene

33704-61-9

cashmeran

4-But-3-enyl-1,1,2,3,3-pentamethyl-2,3,4,5,6,7-hexahydro-1H-inden-4-ol

Conditions

Conditions	Yield
With lithium In tetrahydrofuran for 1h; Irradiation;	63%

33704-61-9

cashmeran

107-18-6

allyl alcohol

1,1,2,3,3-pentamethyl-5-prop-2-enyl-2,3,5,6,7-pentahydroinden-4-one

Conditions

Conditions	Yield
With methanesulfonic acid at 80 - 90℃; for 24h; Heating / reflux;

33704-61-9

cashmeran

563-47-3

3-Chloro-2-methylpropene

1,1,2,3,3-pentamethyl-5-(2-methylprop-2-enyl)-2,3,5,6,7-pentahydroinden-4-one

Conditions

Conditions	Yield
Stage #1: cashmeran With lithium diisopropyl amide In tetrahydrofuran at -10 - 0℃; for 2h; Stage #2: 3-Chloro-2-methylpropene at 0 - 60℃; for 22h; Heating / reflux;

33704-61-9

cashmeran

3473-63-0

formamidine acetic acid

1315251-11-6

1,1,2,3,3-pentamethyl-2,3,4,5-tetrahydro-1H-7,9-diaza-cyclopenta[a]naphthalene

Conditions

Conditions	Yield
In butan-1-ol at 118℃; for 4h;

33704-61-9

cashmeran

7,7,8,9,9-pentamethyllbicyclo[4.3.0]nonan-2-one

Conditions

Conditions	Yield
With hydrogen

33704-61-9

cashmeran

cis-6,6a,7,8,9,9a-hexahydro-7,7,8,9,9-pentamethyl-5H-cyclopenta[H]quinazoline

trans-6,6a,7,8,9,9a-hexahydro-7,7,8,9,9-pentamethyl-5H-cyclopenta[H]quinazoline

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: butan-1-ol / 4 h / 118 °C 2: hydrogen / palladium on activated charcoal / isopropyl alcohol / 4 h / 180 °C / Sealed autoclave; Inert atmosphere View Scheme

33704-61-9

cashmeran

1404306-58-6

1,1,2,3,3-pentamethyl-hexahydro-indene-4,5-dione

33704-61-9

cashmeran

A

1404306-57-5

6,6,7,8,8-pentamethyl-5,5a,6,7,8,8a-hexahydro-4H-indeno[4,5-d]oxazole

B

1404306-56-4

6,6,7,8,8-pentamethyl-5,5a,6,7,8,8a-hexahydro-4H-1-oxa-3-aza-as-indacene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 2: formamide View Scheme

33704-61-9

cashmeran

1404306-60-0

2,6,6,7,8,8-hexamethyl-5,5a,6,7,8,8a-hexahydro-4H-3-thia-1-aza-as-indacene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 2: diethylene glycol dimethyl ether View Scheme

1,2,3,5,6,7-Hexahydro-1,1,2,3,3-pentamethyl-4H-inden-4-one Chemical Properties

1,2,3,5,6,7-Hexahydro-1,1,2,3,3-pentamethyl-4H-inden-4-one Uses

1,2,3,5,6,7-Hexahydro-1,1,2,3,3-pentamethyl-4H-inden-4-one Specification