(1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol

Base Information

Chemical Name:(1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol
CAS No.:849669-43-8
Molecular Formula:C₂₅H₄₀O₃
Molecular Weight:388.591
Hs Code.:

Synonyms:(1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol

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Chemical Property of (1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol

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Technology Process of (1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol

There total 3 articles about (1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol 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: 85.0%

: 849669-60-9
(1S,2S,4aS,8aS)-1-[(5-Ethyl-2,3-dimethoxy-phenyl)-hydroxy-methyl]-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol

: 849669-43-8
(1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol

Guidance literature:: With hydrogen; palladium on activated charcoal; In ethyl acetate; under 2250.18 Torr;
DOI:10.1021/ol047316m

Reference yield:

: 849669-41-6
1-bromo-2,3-dimethoxy-5-ethylbenzene

: 849669-43-8
(1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol

Guidance literature:: Multi-step reaction with 2 steps

1.1: t-BuLi / pentane; tetrahydrofuran / 0.5 h / -78 °C

1.2: 306 mg / pentane; tetrahydrofuran / 2 h / -78 °C

2.1: 85 percent / H₂ / Pd/C / ethyl acetate / 2250.18 Torr

With hydrogen; tert.-butyl lithium; palladium on activated charcoal; In tetrahydrofuran; ethyl acetate; pentane;
DOI:10.1021/ol047316m

Reference yield:

: 5293-42-5
1-bromo-2,3-dimethoxy-5-ethenyl benzene

: 849669-43-8
(1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol

Guidance literature:: Multi-step reaction with 3 steps

1.1: H₂ / Rh/C / CH₂Cl₂ / 2250.18 Torr

2.1: t-BuLi / pentane; tetrahydrofuran / 0.5 h / -78 °C

2.2: 306 mg / pentane; tetrahydrofuran / 2 h / -78 °C

3.1: 85 percent / H₂ / Pd/C / ethyl acetate / 2250.18 Torr

With hydrogen; tert.-butyl lithium; palladium on activated charcoal; Rh on carbon; In tetrahydrofuran; dichloromethane; ethyl acetate; pentane;
DOI:10.1021/ol047316m