(1R,2R,3R,4S)-1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)butan-4-ol

Base Information

Chemical Name:(1R,2R,3R,4S)-1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)butan-4-ol
CAS No.:1316841-46-9
Molecular Formula:C₂₈H₄₄O₆Si
Molecular Weight:504.739
Hs Code.:

Synonyms:(1R,2R,3R,4S)-1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)butan-4-ol

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Chemical Property of (1R,2R,3R,4S)-1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)butan-4-ol

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Technology Process of (1R,2R,3R,4S)-1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)butan-4-ol

There total 9 articles about (1R,2R,3R,4S)-1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)butan-4-ol 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: 54.0%

: 2859-78-1
4-Bromoveratrole

: 1316841-45-8
(1R,2R,3R)-1-(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tertbutyldimethylsiloxy)-4-butanal

: 1316841-46-9
(1R,2R,3R,4S)-1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)butan-4-ol

Guidance literature:: 4-Bromoveratrole; With tert.-butyl lithium; In tetrahydrofuran; pentane; at -78 ℃; for 0.166667h; Inert atmosphere;

(1R,2R,3R)-1-(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tertbutyldimethylsiloxy)-4-butanal; In tetrahydrofuran; pentane; at -78 - 20 ℃; Inert atmosphere;
DOI:10.1021/jo200968f

Reference yield:

: 1316841-32-3
(1R,2R,3S)-1-(3,4-dimethoxyphenyl)-2,3-dimethylpent-4-en-1-ol

: 1316841-46-9
(1R,2R,3R,4S)-1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)butan-4-ol

Guidance literature:: Multi-step reaction with 4 steps

1.1: 1H-imidazole / dichloromethane / 0 - 20 °C / Inert atmosphere

2.1: osmium(VIII) oxide; water; 4-methylmorpholine N-oxide / tert-butyl alcohol / 48 h / 20 °C

3.1: sodium periodate / methanol; water / 0.5 h

4.1: tert.-butyl lithium / tetrahydrofuran; pentane / 0.17 h / -78 °C / Inert atmosphere

4.2: -78 - 20 °C / Inert atmosphere

With 1H-imidazole; sodium periodate; osmium(VIII) oxide; water; tert.-butyl lithium; 4-methylmorpholine N-oxide; In tetrahydrofuran; methanol; dichloromethane; water; tert-butyl alcohol; pentane;
DOI:10.1021/jo200968f

Reference yield:

: 1316841-44-7
(1R,2R,3S)-1-(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)pent-4-ene

: 1316841-46-9
(1R,2R,3R,4S)-1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethyl-1-(tert-butyldimethylsiloxy)butan-4-ol

Guidance literature:: Multi-step reaction with 3 steps

1.1: osmium(VIII) oxide; water; 4-methylmorpholine N-oxide / tert-butyl alcohol / 48 h / 20 °C

2.1: sodium periodate / methanol; water / 0.5 h

3.1: tert.-butyl lithium / tetrahydrofuran; pentane / 0.17 h / -78 °C / Inert atmosphere

3.2: -78 - 20 °C / Inert atmosphere

With sodium periodate; osmium(VIII) oxide; water; tert.-butyl lithium; 4-methylmorpholine N-oxide; In tetrahydrofuran; methanol; water; tert-butyl alcohol; pentane;
DOI:10.1021/jo200968f