4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester

Base Information

Chemical Name:4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester
CAS No.:935248-59-2
Molecular Formula:C₃₉H₅₅BrO₉Si
Molecular Weight:775.85
Hs Code.:

4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester

Synonyms:4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester

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Chemical Property of 4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester

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Technology Process of 4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester

There total 2 articles about 4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl 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:

: C₄₃H₆₇BrO₈Si₂

: 935248-59-2
4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 217 mg / pyridine / CH₂Cl₂ / 20 °C

2: 84 percent / pyridinium p-toluenesulfonate / methanol / 1 h / 20 °C

With pyridine; pyridinium p-toluenesulfonate; In methanol; dichloromethane;
DOI:10.1021/ja067305j

Reference yield:

: 935248-57-0
4-[(2S,4S)-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-4-hydroxy-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester

: 935248-59-2
4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: DMAP / CH₂Cl₂ / -20 - 20 °C

2: 217 mg / pyridine / CH₂Cl₂ / 20 °C

3: 84 percent / pyridinium p-toluenesulfonate / methanol / 1 h / 20 °C

With pyridine; dmap; pyridinium p-toluenesulfonate; In methanol; dichloromethane;
DOI:10.1021/ja067305j

Reference yield:

: 935248-59-2
4-[(S)-4-acetoxy-6-((2S,6R)-4-bromomethylene-6-hydroxymethyl-tetrahydro-pyran-2-ylmethyl)-6-methoxy-5,5-dimethyl-tetrahydro-pyran-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid methyl ester

: 935248-60-5
C₃₉H₅₃BrO₉Si

Guidance literature:: With oxalyl dichloride; dimethyl sulfoxide; triethylamine; In dichloromethane; at -78 - 20 ℃; for 1h;
DOI:10.1021/ja067305j