(2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-2-hydroxy-6,10-dimethylspiro<4.5>dec-6-en-8-one ethylene dithioacetal

Base Information

Chemical Name:(2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-2-hydroxy-6,10-dimethylspiro<4.5>dec-6-en-8-one ethylene dithioacetal
CAS No.:111692-61-6
Molecular Formula:C₃₀H₄₀O₂S₂Si
Molecular Weight:524.864
Hs Code.:

Synonyms:(2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-2-hydroxy-6,10-dimethylspiro<4.5>dec-6-en-8-one ethylene dithioacetal

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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 (2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-2-hydroxy-6,10-dimethylspiro<4.5>dec-6-en-8-one ethylene dithioacetal

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Technology Process of (2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-2-hydroxy-6,10-dimethylspiro<4.5>dec-6-en-8-one ethylene dithioacetal

There total 5 articles about (2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-2-hydroxy-6,10-dimethylspiro<4.5>dec-6-en-8-one ethylene dithioacetal 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: 79.0%

: 111675-29-7
(2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-6,10-dimethyl-2-pivaloyloxyspiro<4.5>dec-6-en-8-one ethylene dithioacetal

: 111692-61-6
(2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-2-hydroxy-6,10-dimethylspiro<4.5>dec-6-en-8-one ethylene dithioacetal

Guidance literature:: With methyllithium; In diethyl ether; at 0 ℃; for 0.333333h;

Reference yield:

: 101415-96-7,101470-76-2
(2RS,5RS,9SR,10RS)-9-hydroxy-6,10-dimethyl-2-pivaloyloxyspiro<4.5>dec-6-en-8-one

: 111692-61-6
(2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-2-hydroxy-6,10-dimethylspiro<4.5>dec-6-en-8-one ethylene dithioacetal

Guidance literature:: Multi-step reaction with 3 steps

1: 98 percent / imidazole / dimethylformamide / 12 h / 50 °C

2: 66 percent / BF₃*Et₂O / CH₂Cl₂ / 1.5 h / Ambient temperature

3: 79 percent / methyllithium / diethyl ether / 0.33 h / 0 °C

With 1H-imidazole; boron trifluoride diethyl etherate; methyllithium; In diethyl ether; dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 127650-68-4
(2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-6,10-dimethyl-2-pivaloyloxyspiro<4.5>dec-6-en-8-one

: 111692-61-6
(2RS,5RS,9SR,10RS)-9-tert-butyldiphenylsilyloxy-2-hydroxy-6,10-dimethylspiro<4.5>dec-6-en-8-one ethylene dithioacetal

Guidance literature:: Multi-step reaction with 2 steps

1: 66 percent / BF₃*Et₂O / CH₂Cl₂ / 1.5 h / Ambient temperature

2: 79 percent / methyllithium / diethyl ether / 0.33 h / 0 °C

With boron trifluoride diethyl etherate; methyllithium; In diethyl ether; dichloromethane;