(1S,6S,7S,9R)-4,4-dimethoxy-7,9-bis-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en

Base Information

Chemical Name:(1S,6S,7S,9R)-4,4-dimethoxy-7,9-bis-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en
CAS No.:219308-65-3
Molecular Formula:C₄₃H₅₄O₄Si₂
Molecular Weight:691.07
Hs Code.:

Synonyms:(1S,6S,7S,9R)-4,4-dimethoxy-7,9-bis-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (1S,6S,7S,9R)-4,4-dimethoxy-7,9-bis-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en

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Technology Process of (1S,6S,7S,9R)-4,4-dimethoxy-7,9-bis-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en

There total 5 articles about (1S,6S,7S,9R)-4,4-dimethoxy-7,9-bis-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en 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: 85.0%

: 58479-61-1
tert-butylchlorodiphenylsilane

: 219308-63-1
(1S,6S,7S,9S)-4,4-dimethoxy-7-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en-9-ol

: 219308-65-3
(1S,6S,7S,9R)-4,4-dimethoxy-7,9-bis-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en

Guidance literature:: With 1H-imidazole; In N,N-dimethyl-formamide; for 2h; Ambient temperature;
DOI:10.1021/ja982596k

Reference yield:

: 59995-47-0,61305-27-9,61740-29-2,59995-49-2
(S)-4-hydroxycyclopent-2-en-1-one

: 219308-65-3
(1S,6S,7S,9R)-4,4-dimethoxy-7,9-bis-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en

Guidance literature:: Multi-step reaction with 4 steps

1: 60 percent / Et₃N, DMAP / CH₂Cl₂ / Ambient temperature

2: 1.) BHT, 2.) pyridinium p-toluenosulfonate / 1.) xylene, 140 deg C, 10 h, 2.) methanol, RT, 2 h

3: NaBH₄ / methanol / 3 h / -78 °C

4: 85 percent / imidazole / dimethylformamide / 2 h / Ambient temperature

With 1H-imidazole; dmap; sodium tetrahydroborate; 2,6-di-tert-butyl-4-methyl-phenol; pyridinium p-toluenesulfonate; triethylamine; In methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/ja982596k

Reference yield:

: 107657-41-0
4(S)-<(tert-butyldiphenylsilyl)oxy>cyclopent-2-en-1-one

: 219308-65-3
(1S,6S,7S,9R)-4,4-dimethoxy-7,9-bis-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) BHT, 2.) pyridinium p-toluenosulfonate / 1.) xylene, 140 deg C, 10 h, 2.) methanol, RT, 2 h

2: NaBH₄ / methanol / 3 h / -78 °C

3: 85 percent / imidazole / dimethylformamide / 2 h / Ambient temperature

With 1H-imidazole; sodium tetrahydroborate; 2,6-di-tert-butyl-4-methyl-phenol; pyridinium p-toluenesulfonate; In methanol; N,N-dimethyl-formamide;
DOI:10.1021/ja982596k