(-)-(1S,4S,8R)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one

Base Information

Chemical Name:(-)-(1S,4S,8R)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one
CAS No.:132696-81-2
Molecular Formula:C₁₇H₂₀O₂
Molecular Weight:256.345
Hs Code.:

Synonyms:(-)-(1S,4S,8R)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one

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Chemical Property of (-)-(1S,4S,8R)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one

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Technology Process of (-)-(1S,4S,8R)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one

There total 8 articles about (-)-(1S,4S,8R)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one 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: 76.0%

: 132610-94-7,132610-95-8
(R)-5-(2-Bromo-1-methoxy-1-methyl-ethyl)-2-methyl-3-phenyl-cyclohex-2-enone

: 132611-04-2,132696-81-2
(1S,4S)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one

Guidance literature:: With potassium tert-butylate; tert-butyl alcohol; In tetrahydrofuran; at 0 - 18 ℃; for 16h;
DOI:10.1039/c39900001681

Reference yield: 68.0%

: 67-56-1
methanol

: 132610-89-0
(-)-(R)-2-methyl-5-isopropenyl-3-phenylcyclohex-2-en-1-one

: (-)-(1S,4S,8S)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one

: 132696-81-2
(-)-(1S,4S,8R)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one

Guidance literature:: methanol; (-)-(R)-2-methyl-5-isopropenyl-3-phenylcyclohex-2-en-1-one; With N-Bromosuccinimide; In dichloromethane; at -10 - 20 ℃;

With potassium tert-butylate; In tetrahydrofuran; tert-butyl alcohol; at 20 ℃;
DOI:10.1021/ol048240x

Reference yield:

: 2244-16-8,6485-40-1
(S)-p-mentha-6,8-dien-2-one

: 132696-81-2
(-)-(1S,4S,8R)-1,8-Dimethyl-8-methoxy-6-phenylbicyclo<2.2.2>oct-5-en-2-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: diethyl ether

1.2: 77 percent / PCC; silica gel / CH₂Cl₂

2.1: NBS / CH₂Cl₂ / -10 - 20 °C

2.2: 68 percent / t-BuOK / 2-methyl-propan-2-ol; tetrahydrofuran / 20 °C

With N-Bromosuccinimide; In diethyl ether; dichloromethane;
DOI:10.1021/ol048240x