(4aS,4bR,7S,8S)-8-(2,5-Dimethoxy-3-methyl-benzyl)-1,1,4b,7,8-pentamethyl-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-phenanthren-2-one

Base Information

Chemical Name:(4aS,4bR,7S,8S)-8-(2,5-Dimethoxy-3-methyl-benzyl)-1,1,4b,7,8-pentamethyl-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-phenanthren-2-one
CAS No.:82471-06-5
Molecular Formula:C₂₉H₄₂O₃
Molecular Weight:438.651
Hs Code.:

Synonyms:(4aS,4bR,7S,8S)-8-(2,5-Dimethoxy-3-methyl-benzyl)-1,1,4b,7,8-pentamethyl-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-phenanthren-2-one

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Chemical Property of (4aS,4bR,7S,8S)-8-(2,5-Dimethoxy-3-methyl-benzyl)-1,1,4b,7,8-pentamethyl-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-phenanthren-2-one

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Technology Process of (4aS,4bR,7S,8S)-8-(2,5-Dimethoxy-3-methyl-benzyl)-1,1,4b,7,8-pentamethyl-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-phenanthren-2-one

There total 4 articles about (4aS,4bR,7S,8S)-8-(2,5-Dimethoxy-3-methyl-benzyl)-1,1,4b,7,8-pentamethyl-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-phenanthren-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:

: 82471-01-0
3-[(1S,4aR,5S,6S,8aR)-5-(2,5-Dimethoxy-3-methyl-benzyl)-2-isopropylidene-5,6,8a-trimethyl-decahydro-naphthalen-1-yl]-propan-1-ol

: 82471-06-5
(4aS,4bR,7S,8S)-8-(2,5-Dimethoxy-3-methyl-benzyl)-1,1,4b,7,8-pentamethyl-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-phenanthren-2-one

: 3-[(1R,4aR,5S,6S,8aS)-5-(2,5-Dimethoxy-3-methyl-benzyl)-2-eth-(Z)-ylidene-5,6,8a-trimethyl-decahydro-naphthalen-1-yl]-propionic acid

Guidance literature:: With chromium(VI) oxide; sulfuric acid; In acetone; for 0.25h; Ambient temperature;
DOI:10.1016/0040-4020(82)80215-9

Reference yield:

: 55907-34-1
atomaric acid

: 82471-06-5
(4aS,4bR,7S,8S)-8-(2,5-Dimethoxy-3-methyl-benzyl)-1,1,4b,7,8-pentamethyl-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-phenanthren-2-one

Guidance literature:: Multi-step reaction with 4 steps

1: diethyl ether / Ambient temperature

2: 98 percent / anhydrous K₂CO₃ / acetone / 20 h / Heating

3: 94 percent / LiAlH₄ / diethyl ether / 3 h / 0 °C

4: 72 percent / CrO₃/H₂SO₄ (Jones reagent) / acetone / 0.25 h / Ambient temperature

With chromium(VI) oxide; lithium aluminium tetrahydride; sulfuric acid; potassium carbonate; In diethyl ether; acetone;
DOI:10.1016/0040-4020(82)80215-9

Reference yield:

: 82470-99-3
atomaric acid methyl ester

: 82471-06-5
(4aS,4bR,7S,8S)-8-(2,5-Dimethoxy-3-methyl-benzyl)-1,1,4b,7,8-pentamethyl-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-phenanthren-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: 98 percent / anhydrous K₂CO₃ / acetone / 20 h / Heating

2: 94 percent / LiAlH₄ / diethyl ether / 3 h / 0 °C

3: 72 percent / CrO₃/H₂SO₄ (Jones reagent) / acetone / 0.25 h / Ambient temperature

With chromium(VI) oxide; lithium aluminium tetrahydride; sulfuric acid; potassium carbonate; In diethyl ether; acetone;
DOI:10.1016/0040-4020(82)80215-9