<1S,4R>-1-methyl-1-(3-pentanone)-4-isopropenyl-2-oxocyclohexane

Base Information

• Chemical Name: <1S,4R>-1-methyl-1-(3-pentanone)-4-isopropenyl-2-oxocyclohexane
• CAS No.: 108032-82-2
• Molecular Formula: C₁₅H₂₄O₂
• Molecular Weight: 236.354
• Mol file: 108032-82-2.mol

Synonyms:<1S,4R>-1-methyl-1-(3-pentanone)-4-isopropenyl-2-oxocyclohexane

Chemical Property of <1S,4R>-1-methyl-1-(3-pentanone)-4-isopropenyl-2-oxocyclohexane

Chemical Property:

Purity/Quality:

Safty Information:

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• Hazard Codes: 

MSDS Files:

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Technology Process of <1S,4R>-1-methyl-1-(3-pentanone)-4-isopropenyl-2-oxocyclohexane

There total 5 articles about <1S,4R>-1-methyl-1-(3-pentanone)-4-isopropenyl-2-oxocyclohexane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

3-methoxy-2-pentene-1-ol (107957-68-6) + 2-methyl-5-(1-methyl-ethenyl)-1-tertbutyl-diphenylsiloxycyclohexene (107957-81-3) → <1S,4R>-1-methyl-1-(3-pentanone)-4-isopropenyl-2-oxocyclohexane (108032-82-2) + (2R,5R)-2-methyl-2-(3-oxopentyl)-5-isopropenylcyclohexan-1-one (107957-82-4)

Guidance literature:

With boron trifluoride diethyl etherate; In nitromethane; at -20 ℃; for 1h; Yield given;

DOI:10.1016/S0040-4020(01)82058-5

Reference yield:

3-methoxy-2-pentene-1-ol (107957-68-6) + (5R)-(+)-(5-iso-propenyl-2-methyl-cyclohexenyloxy)-trimethylsilane (107957-80-2) → <1S,4R>-1-methyl-1-(3-pentanone)-4-isopropenyl-2-oxocyclohexane (108032-82-2) + (2R,5R)-2-methyl-2-(3-oxopentyl)-5-isopropenylcyclohexan-1-one (107957-82-4)

Guidance literature:

With boron trifluoride diethyl etherate; In nitromethane; at -20 ℃; for 1h; Yield given;

DOI:10.1016/S0040-4020(01)82058-5

Reference yield:

(R)-dihydrocarvone (116499-64-0) → <1S,4R>-1-methyl-1-(3-pentanone)-4-isopropenyl-2-oxocyclohexane (108032-82-2)

Guidance literature:

Multi-step reaction with 2 steps

1: p-TsOH / toluene / 24 h / Heating

2: toluene / 24 h / 40 °C

With toluene-4-sulfonic acid; In toluene;

DOI:10.1016/0957-4166(96)00335-7

upstream raw materials:

3-methoxy-2-pentene-1-ol

2-methyl-5-(1-methyl-ethenyl)-1-tertbutyl-diphenylsiloxycyclohexene

(5R)-(+)-(5-iso-propenyl-2-methyl-cyclohexenyloxy)-trimethylsilane

4-penten-3-one

Downstream raw materials:

eudesma-4,11-dien-3-one