Acetic acid 12a-bromo-3-(dimethyl-phenyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

Base Information

Chemical Name:Acetic acid 12a-bromo-3-(dimethyl-phenyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester
CAS No.:159692-37-2
Molecular Formula:C₂₉H₃₁BrO₄Si
Molecular Weight:551.552
Hs Code.:

Synonyms:Acetic acid 12a-bromo-3-(dimethyl-phenyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

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Chemical Property of Acetic acid 12a-bromo-3-(dimethyl-phenyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

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Technology Process of Acetic acid 12a-bromo-3-(dimethyl-phenyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

There total 1 articles about Acetic acid 12a-bromo-3-(dimethyl-phenyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester 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:

: 77189-69-6
5-acetoxy-2-bromo-1,4-naphthoquinone

: (+/-)-(E/Z)-2-<3-(dimethylphenylsilanyl)-3-methylcyclohexylidene>ethanol

: Dimethyl-(1-methyl-3-vinyl-cyclohex-2-enyl)-phenyl-silane

: 159692-37-2
Acetic acid 12a-bromo-3-(dimethyl-phenyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

Guidance literature:: Yield given. Multistep reaction;

Reference yield: 95.0%

: 159692-37-2
Acetic acid 12a-bromo-3-(dimethyl-phenyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

: (3R,12bS)-3-(Dimethyl-phenyl-silanyl)-8-hydroxy-3-methyl-1,2,3,4,6,12b-hexahydro-benzo[a]anthracene-7,12-dione

Guidance literature:: With tetra(n-butyl)ammonium hydroxide; In tetrahydrofuran; water; at 0 ℃; for 0.166667h;
DOI:10.1016/S0040-4020(98)00188-4

Reference yield:

: 159692-37-2
Acetic acid 12a-bromo-3-(dimethyl-phenyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

: (3S,4aR,12bS)-3-(Dimethyl-phenyl-silanyl)-4a,8-dihydroxy-3-methyl-1,2,3,4,4a,12b-hexahydro-benzo[a]anthracene-7,12-dione

Guidance literature:: Multi-step reaction with 3 steps

1: 95 percent / TBAH / tetrahydrofuran; H₂O / 0.17 h / 0 °C

2: 97 percent / dimethyldioxirane / CH₂Cl₂; acetone / 1 h / 0 °C

3: 73 percent / TBAH / tetrahydrofuran; H₂O / 0.75 h / 0 - 20 °C

With tetra(n-butyl)ammonium hydroxide; 3,3-dimethyldioxirane; In tetrahydrofuran; dichloromethane; water; acetone;
DOI:10.1016/S0040-4020(98)00188-4