(4bS,6aS,6bS,10aR,11aS,11bR)-2-Benzyloxy-6a,8,8-trimethyl-4b,5,6,6a,6b,10,10a,11,11a,11b,12,13-dodecahydro-7,9-dioxa-indeno[2,1-a]phenanthrene

Base Information

Chemical Name:(4bS,6aS,6bS,10aR,11aS,11bR)-2-Benzyloxy-6a,8,8-trimethyl-4b,5,6,6a,6b,10,10a,11,11a,11b,12,13-dodecahydro-7,9-dioxa-indeno[2,1-a]phenanthrene
CAS No.:438536-61-9
Molecular Formula:C₂₉H₃₆O₃
Molecular Weight:432.603
Hs Code.:

Synonyms:(4bS,6aS,6bS,10aR,11aS,11bR)-2-Benzyloxy-6a,8,8-trimethyl-4b,5,6,6a,6b,10,10a,11,11a,11b,12,13-dodecahydro-7,9-dioxa-indeno[2,1-a]phenanthrene

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Chemical Property of (4bS,6aS,6bS,10aR,11aS,11bR)-2-Benzyloxy-6a,8,8-trimethyl-4b,5,6,6a,6b,10,10a,11,11a,11b,12,13-dodecahydro-7,9-dioxa-indeno[2,1-a]phenanthrene

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Technology Process of (4bS,6aS,6bS,10aR,11aS,11bR)-2-Benzyloxy-6a,8,8-trimethyl-4b,5,6,6a,6b,10,10a,11,11a,11b,12,13-dodecahydro-7,9-dioxa-indeno[2,1-a]phenanthrene

There total 5 articles about (4bS,6aS,6bS,10aR,11aS,11bR)-2-Benzyloxy-6a,8,8-trimethyl-4b,5,6,6a,6b,10,10a,11,11a,11b,12,13-dodecahydro-7,9-dioxa-indeno[2,1-a]phenanthrene 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: 95.0%

: 67-64-1
acetone

: 80108-51-6
16-hydroxymethylene-3-benzyloxyestra-1,3,5⁽¹⁰⁾-trien-17-one

: 438536-61-9
(4bS,6aS,6bS,10aR,11aS,11bR)-2-Benzyloxy-6a,8,8-trimethyl-4b,5,6,6a,6b,10,10a,11,11a,11b,12,13-dodecahydro-7,9-dioxa-indeno[2,1-a]phenanthrene

Guidance literature:: 16-hydroxymethylene-3-benzyloxyestra-1,3,5⁽¹⁰⁾-trien-17-one; With potassium borohydride; In ethanol; at 0 - 4 ℃; for 24h;

acetone; With toluene-4-sulfonic acid; In dichloromethane; for 1h; Heating;
DOI:10.1016/S0039-128X(01)00191-X

Reference yield: 49.0%

: 67-64-1
acetone

: 444196-21-8
16-hydroxymethylene-3-benzyloxyestra-1,3,5⁽¹⁰⁾-trien-17-one

: 438536-61-9
(4bS,6aS,6bS,10aR,11aS,11bR)-2-Benzyloxy-6a,8,8-trimethyl-4b,5,6,6a,6b,10,10a,11,11a,11b,12,13-dodecahydro-7,9-dioxa-indeno[2,1-a]phenanthrene

: 438536-57-3
16β-hydroxymethyl-3-benzyloxyestra-1,3,5(10)-trien-17α-ol

: 438536-56-2
16α-hydroxymethyl-3-benzyloxyestra-1,3,5(10)-trien-17β-ol

Guidance literature:: 16-hydroxymethylene-3-benzyloxyestra-1,3,5⁽¹⁰⁾-trien-17-one; With potassium borohydride; In ethanol; for 24h;

acetone; With toluene-4-sulfonic acid; In dichloromethane; for 1h; Heating;
DOI:10.1016/S0039-128X(02)00020-X

Reference yield:

: 53-16-7
Estrone

: 438536-61-9
(4bS,6aS,6bS,10aR,11aS,11bR)-2-Benzyloxy-6a,8,8-trimethyl-4b,5,6,6a,6b,10,10a,11,11a,11b,12,13-dodecahydro-7,9-dioxa-indeno[2,1-a]phenanthrene

Guidance literature:: Multi-step reaction with 3 steps

1.1: 90 percent / methanol / 6 h / Heating

2.1: 95 percent / NaOCH₃ / benzene / 6 h / 20 - 50 °C

3.1: KBH₄ / ethanol / 24 h / 0 - 4 °C

3.2: 95 percent / p-toluenesulfonic acid / CH₂Cl₂ / 1 h / Heating

With potassium borohydride; sodium methylate; In methanol; ethanol; benzene;
DOI:10.1016/S0039-128X(01)00191-X