Acetic acid 12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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.:654074-92-7
Molecular Formula:C₃₉H₄₅BrO₉Si
Molecular Weight:765.77
Hs Code.:

Acetic acid 12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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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Suppliers and Price of Acetic acid 12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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:

: 159692-35-0
(+/-)-5-(dimethylphenylsilanyl)-5-methyl-1-vinyl-1-cyclohexene

: 166757-88-6
5-acetoxy-6-(3,4-di-O-acetyl-2,6-dideoxy-β-D-arabino-hexopyranosyl)-2-bromo-[1,4]naphthoquinone

: 654074-92-7
Acetic acid 12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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:: In toluene; at 70 ℃; for 6h;
DOI:10.1081/CAR-120026460

Reference yield:

: 654074-92-7
Acetic acid 12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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

: Benzoic acid (2S,3S,6S)-6-[(2R,3R,4R,6R)-3-acetoxy-6-((S)-8-acetoxy-3-hydroxy-3-methyl-7,12-dioxo-1,2,3,4,7,12-hexahydro-benzo[a]anthracen-9-yl)-2-methyl-tetrahydro-pyran-4-yloxy]-2-methyl-tetrahydro-pyran-3-yl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 76 percent / K₂CO₃ / methanol

2: 23 percent / KHCO₃; KF; H₂O₂ / tetrahydrofuran; methanol; H₂O

3: imidazole / dimethylformamide / 3 h / 20 °C

4: pyridine / 20 °C

5: HF / acetonitrile / 5 h / 20 °C

6: 60 percent / Sc(OTf)3 / CH₂Cl₂ / 1 h / 0 °C

With pyridine; 1H-imidazole; potassium fluoride; hydrogen fluoride; dihydrogen peroxide; potassium carbonate; potassium hydrogencarbonate; scandium tris(trifluoromethanesulfonate); In tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1081/CAR-120026460

Reference yield:

: 654074-92-7
Acetic acid 12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-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

: 653580-27-9
Benzoic acid (2S,3S,6S)-6-{(2R,3R,4R,6R)-3-acetoxy-6-[8-acetoxy-3-(fluoro-dimethyl-silanyl)-3-methyl-7,12-dioxo-1,2,3,4,7,12-hexahydro-benzo[a]anthracen-9-yl]-2-methyl-tetrahydro-pyran-4-yloxy}-2-methyl-tetrahydro-pyran-3-yl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 76 percent / K₂CO₃ / methanol

2: 60 percent / HBF₄ / CH₂Cl₂; diethyl ether

3: imidazole / dimethylformamide / 3 h / 20 °C

4: pyridine / 20 °C

5: HF / acetonitrile / 5 h / 20 °C

6: 52 percent / Sc(OTf)3 / CH₂Cl₂ / 1 h / 0 °C

With pyridine; 1H-imidazole; tetrafluoroboric acid; hydrogen fluoride; potassium carbonate; scandium tris(trifluoromethanesulfonate); In methanol; diethyl ether; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1081/CAR-120026460