Acetic acid (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-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 (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester
CAS No.:166757-89-7
Molecular Formula:C₃₈H₄₁BrO₁₁
Molecular Weight:753.641
Hs Code.:

Acetic acid (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

Synonyms:Acetic acid (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-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 (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-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 (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

There total 20 articles about Acetic acid (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-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: 72.0%

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

: 166757-87-5
(1R,5R)-5-Benzyloxy-5-methyl-3-vinyl-cyclohex-2-enol

: 166757-89-7
Acetic acid (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-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 benzene; for 10h; Heating;
DOI:10.1021/ja00137a026

Reference yield:

: 166941-78-2
5-Benzyloxy-2-((2R,4R,5R,6R)-4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-naphthalen-1-ol

: 166757-89-7
Acetic acid (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 100 percent / DMAP, pyridine / CH₂Cl₂ / 13 h

2: 99 percent / H₂ / 5percent Pd/C / ethanol / 14 h

3: 94 percent / NBS, AcOH / H₂O / 4 h / 70 °C

4: 92 percent / HClO₄ / 0.33 h

5: 72 percent / benzene / 12 h / Heating

With pyridine; dmap; N-Bromosuccinimide; perchloric acid; hydrogen; acetic acid; palladium on activated charcoal; In ethanol; dichloromethane; water; benzene;
DOI:10.1002/ijch.199700004

Reference yield:

: 194656-96-7
Acetic acid 5-benzyloxy-2-((2R,4R,5R,6R)-4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-naphthalen-1-yl ester

: 166757-89-7
Acetic acid (1R,3R,6aS,12aR,12bR)-3-benzyloxy-12a-bromo-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-1-hydroxy-3-methyl-7,12-dioxo-1,2,3,4,6,6a,7,12,12a,12b-decahydro-benzo[a]anthracen-8-yl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 99 percent / H₂ / 5percent Pd/C / ethanol / 14 h

2: 94 percent / NBS, AcOH / H₂O / 4 h / 70 °C

3: 92 percent / HClO₄ / 0.33 h

4: 72 percent / benzene / 12 h / Heating

With N-Bromosuccinimide; perchloric acid; hydrogen; acetic acid; palladium on activated charcoal; In ethanol; water; benzene;
DOI:10.1002/ijch.199700004