((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane

Base Information

Chemical Name:((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane
CAS No.:105431-21-8
Molecular Formula:C₃₅H₅₆O₅Si
Molecular Weight:584.912
Hs Code.:

((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane

Synonyms:((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane

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Chemical Property of ((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane

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Technology Process of ((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane

There total 2 articles about ((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane 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:

: 69739-34-0
t-butyldimethylsiyl triflate

: 105498-93-9
20-(benzyloxy)-16β-ethoxy-3β-methoxy-13-oxo-21-norpicrasane

: 105431-21-8
((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane

Guidance literature:: With triethylamine; In dichloromethane; at 0 ℃; for 0.5h;
DOI:10.1021/ja00238a022

Reference yield:

: (4aR,4bS,7S,8S,8aS,10R,10aS)-10a-Benzyloxymethyl-10-(2-bromo-1-ethoxy-ethoxy)-7-methoxy-4b,8-dimethyl-dodecahydro-phenanthren-2-one

: 105431-21-8
((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane

Guidance literature:: Multi-step reaction with 2 steps

1: t-BuOK / benzene / 3 h / Ambient temperature

2: Et₃N / CH₂Cl₂ / 0.5 h / 0 °C

With potassium tert-butylate; triethylamine; In dichloromethane; benzene;
DOI:10.1021/ja00238a022

Reference yield:

: 105431-21-8
((3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-11c-Benzyloxymethyl-5-ethoxy-9-methoxy-8,11a-dimethyl-1,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-3-yloxy)-tert-butyl-dimethyl-silane

: 105431-24-1
Methanesulfonic acid (2R,3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-5-ethoxy-9-methoxy-8,11a-dimethyl-3-oxo-2-phenylselanyl-tetradecahydro-6-oxa-benzo[de]anthracen-11c-ylmethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: Li in liq. NH₃ / tetrahydrofuran / 1 h / -78 - 20 °C

2: Et₃N / CH₂Cl₂ / 16 h / Ambient temperature

3: 80 percent / tetrahydrofuran / 1.5 h / 0 °C

With ammonia; lithium; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1021/ja00238a022