(2S,3S,7S,8S)-1-[(tert-butyldimethylsilyl)oxy]-2-(4-methoxybenzyloxy)-5-methylene-7-methoxy-8-methyl-9-[(tert-butyldiphenylsilyl)oxy]-3-nonanol

Base Information

Chemical Name:(2S,3S,7S,8S)-1-[(tert-butyldimethylsilyl)oxy]-2-(4-methoxybenzyloxy)-5-methylene-7-methoxy-8-methyl-9-[(tert-butyldiphenylsilyl)oxy]-3-nonanol
CAS No.:1385034-12-7
Molecular Formula:C₄₂H₆₄O₆Si₂
Molecular Weight:721.138
Hs Code.:

Synonyms:(2S,3S,7S,8S)-1-[(tert-butyldimethylsilyl)oxy]-2-(4-methoxybenzyloxy)-5-methylene-7-methoxy-8-methyl-9-[(tert-butyldiphenylsilyl)oxy]-3-nonanol

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Chemical Property of (2S,3S,7S,8S)-1-[(tert-butyldimethylsilyl)oxy]-2-(4-methoxybenzyloxy)-5-methylene-7-methoxy-8-methyl-9-[(tert-butyldiphenylsilyl)oxy]-3-nonanol

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Technology Process of (2S,3S,7S,8S)-1-[(tert-butyldimethylsilyl)oxy]-2-(4-methoxybenzyloxy)-5-methylene-7-methoxy-8-methyl-9-[(tert-butyldiphenylsilyl)oxy]-3-nonanol

There total 3 articles about (2S,3S,7S,8S)-1-[(tert-butyldimethylsilyl)oxy]-2-(4-methoxybenzyloxy)-5-methylene-7-methoxy-8-methyl-9-[(tert-butyldiphenylsilyl)oxy]-3-nonanol 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: 80.0%

: 180153-95-1
(2S)-3-tert-butyldimethylsilyloxy-2-(4-methoxybenzyloxy)propanal

: 1385033-87-3
(4S,5S)-2-trimethylsilylmethyl-4-methoxy-5-methyl-6-[(tert-butyldiphenylsilyl)oxy]-1-hexene

: 1385034-12-7
(2S,3S,7S,8S)-1-[(tert-butyldimethylsilyl)oxy]-2-(4-methoxybenzyloxy)-5-methylene-7-methoxy-8-methyl-9-[(tert-butyldiphenylsilyl)oxy]-3-nonanol

Guidance literature:: (2S)-3-tert-butyldimethylsilyloxy-2-(4-methoxybenzyloxy)propanal; With magnesium bromide ethyl etherate; In dichloromethane; at -78 ℃; for 0.0833333h; Inert atmosphere;

(4S,5S)-2-trimethylsilylmethyl-4-methoxy-5-methyl-6-[(tert-butyldiphenylsilyl)oxy]-1-hexene; In dichloromethane; at -78 - -26 ℃; for 13h; optical yield given as %de; Inert atmosphere;
DOI:10.1021/ol3015682

Reference yield:

: 92817-88-4
(2S)-3-{[tert-butyl(diphenyl)silyl]oxy}-2-methylpropanal

: 1385034-12-7
(2S,3S,7S,8S)-1-[(tert-butyldimethylsilyl)oxy]-2-(4-methoxybenzyloxy)-5-methylene-7-methoxy-8-methyl-9-[(tert-butyldiphenylsilyl)oxy]-3-nonanol

Guidance literature:: Multi-step reaction with 3 steps

1.1: (4S,5S)-2-bromo-1,3-bis[(4-methylphenyl)sulfonyl]-4,5-diphenyl-1,3,2-diazaborolidine / dichloromethane / 16 h / 22 °C / Inert atmosphere

1.2: 4 h / -78 °C / Inert atmosphere

2.1: 2,6-di-tert-butyl-4-methylpyridine / dichloromethane / 22 °C / Inert atmosphere; Molecular sieve; Cooling with ice

3.1: magnesium bromide ethyl etherate / dichloromethane / 0.08 h / -78 °C / Inert atmosphere

3.2: 13 h / -78 - -26 °C / Inert atmosphere

With (4S,5S)-2-bromo-1,3-bis[(4-methylphenyl)sulfonyl]-4,5-diphenyl-1,3,2-diazaborolidine; 2,6-di-tert-butyl-4-methylpyridine; magnesium bromide ethyl etherate; In dichloromethane;
DOI:10.1021/ol3015682

Reference yield:

: 1385033-86-2
(2S,3S)-1-[(tert-butyldiphenylsilyl)oxy]-2-methyl-5-trimethylsilylmethyl-5-hexen-3-ol

: 1385034-12-7
(2S,3S,7S,8S)-1-[(tert-butyldimethylsilyl)oxy]-2-(4-methoxybenzyloxy)-5-methylene-7-methoxy-8-methyl-9-[(tert-butyldiphenylsilyl)oxy]-3-nonanol

Guidance literature:: Multi-step reaction with 2 steps

1.1: 2,6-di-tert-butyl-4-methylpyridine / dichloromethane / 22 °C / Inert atmosphere; Molecular sieve; Cooling with ice

2.1: magnesium bromide ethyl etherate / dichloromethane / 0.08 h / -78 °C / Inert atmosphere

2.2: 13 h / -78 - -26 °C / Inert atmosphere

With 2,6-di-tert-butyl-4-methylpyridine; magnesium bromide ethyl etherate; In dichloromethane;
DOI:10.1021/ol3015682