2-cis-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate

Base Information

Chemical Name:2-cis-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate
CAS No.:160332-74-1
Molecular Formula:C₁₉H₂₆O₄
Molecular Weight:318.413
Hs Code.:

Synonyms:2-cis-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate

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Chemical Property of 2-cis-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate

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Technology Process of 2-cis-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate

There total 3 articles about 2-cis-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate 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:

: 20548-02-1,55058-51-0,60686-81-9,60686-82-0,82977-53-5,90082-06-7,90129-05-8,99881-84-2,60046-50-6
(4R,6R)-4-hydroxy-2,2,6-trimethylcyclohexan-1-one

: 160332-74-1
2-cis-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate

Guidance literature:: Multi-step reaction with 4 steps

1: 94 percent / Et₃N / diethyl ether / 15 h / 0 - 20 °C

2: 1.) EtMgBr / 1.) Et₂O, CH₂Cl₂, reflux, 1 h, 2.) Et₂O, CH₂Cl₂, reflux, 14 h

3: 68 percent / KOH / methanol / 2 h / 20 °C

4: 82 percent / AcOH, KHSO₄ / 1.75 h / 70 °C

With potassium hydroxide; potassium hydrogensulfate; ethylmagnesium bromide; acetic acid; triethylamine; In methanol; diethyl ether;
DOI:10.1016/0957-4166(94)80087-1

Reference yield:

: 152125-31-0
(4R,6R)-2,2,6-Trimethyl-4-trimethylsilanyloxy-cyclohexanone

: 160332-74-1
2-cis-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) EtMgBr / 1.) Et₂O, CH₂Cl₂, reflux, 1 h, 2.) Et₂O, CH₂Cl₂, reflux, 14 h

2: 68 percent / KOH / methanol / 2 h / 20 °C

3: 82 percent / AcOH, KHSO₄ / 1.75 h / 70 °C

With potassium hydroxide; potassium hydrogensulfate; ethylmagnesium bromide; acetic acid; In methanol;
DOI:10.1016/0957-4166(94)80087-1

Reference yield:

: (4R,6R)-1-((Z)-5-Hydroxy-3-methyl-pent-3-en-1-ynyl)-2,2,6-trimethyl-4-trimethylsilanyloxy-cyclohexanol

: 160332-74-1
2-cis-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate

Guidance literature:: Multi-step reaction with 2 steps

1: 68 percent / KOH / methanol / 2 h / 20 °C

2: 82 percent / AcOH, KHSO₄ / 1.75 h / 70 °C

With potassium hydroxide; potassium hydrogensulfate; acetic acid; In methanol;
DOI:10.1016/0957-4166(94)80087-1