1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-cyclohexa-2,5-diene-1,4-diol

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Chemical Name:1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-cyclohexa-2,5-diene-1,4-diol
CAS No.:163260-79-5
Molecular Formula:C₄₂H₇₉BrO₈Si₄
Molecular Weight:904.33
Hs Code.:

Synonyms:1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-cyclohexa-2,5-diene-1,4-diol

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Chemical Property of 1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-cyclohexa-2,5-diene-1,4-diol

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Technology Process of 1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-cyclohexa-2,5-diene-1,4-diol

There total 1 articles about 1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-cyclohexa-2,5-diene-1,4-diol 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: 56.0%

: 136538-24-4
C₁₈H₃₇LiO₃Si₂

: 4-[(4S,5S,6S)-4,5-Bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-4-hydroxy-cyclohexa-2,5-dienone

: 163260-79-5
1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-cyclohexa-2,5-diene-1,4-diol

Guidance literature:: In tetrahydrofuran; at -78 ℃;
DOI:10.1021/ja00103a037

Reference yield: 81.0%

: 163260-79-5
1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-cyclohexa-2,5-diene-1,4-diol

: 163260-81-9
2,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-6-bromo-phenol

Guidance literature:: With zinc(II) chloride; In diethyl ether; at -78 - 0 ℃;
DOI:10.1021/ja00103a037

Reference yield:

: 163260-79-5
1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-2-bromo-cyclohexa-2,5-diene-1,4-diol

: (3S,4S,5S)-1-{5-[(4S,5S,6S)-4,5-Bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-3-bromo-2-hydroxy-phenyl}-3,4-bis-(tert-butyl-dimethyl-silanyloxy)-5-hydroxy-hexan-1-one

Guidance literature:: Multi-step reaction with 2 steps

1: 81 percent / ZnCl₂ / diethyl ether / -78 - 0 °C

2: silica gel

With silica gel; zinc(II) chloride; In diethyl ether;
DOI:10.1021/ja00103a037