(3R,4R,5S,7S)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,7-dimethyl-4-trimethylsilanyloxy-cycloheptene

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Chemical Name:(3R,4R,5S,7S)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,7-dimethyl-4-trimethylsilanyloxy-cycloheptene
CAS No.:82830-76-0
Molecular Formula:C₃₀H₄₆O₂Si₂
Molecular Weight:494.865
Hs Code.:

Synonyms:(3R,4R,5S,7S)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,7-dimethyl-4-trimethylsilanyloxy-cycloheptene

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Chemical Property of (3R,4R,5S,7S)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,7-dimethyl-4-trimethylsilanyloxy-cycloheptene

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Technology Process of (3R,4R,5S,7S)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,7-dimethyl-4-trimethylsilanyloxy-cycloheptene

There total 8 articles about (3R,4R,5S,7S)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,7-dimethyl-4-trimethylsilanyloxy-cycloheptene 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%

: 82830-75-9
Toluene-4-sulfonic acid (1S,4R,5R,6S)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-4-methyl-5-trimethylsilanyloxy-cyclohept-2-enylmethyl ester

: 82830-76-0
(3R,4R,5S,7S)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,7-dimethyl-4-trimethylsilanyloxy-cycloheptene

Guidance literature:: With lithium aluminium tetrahydride; In diethyl ether; at 10 ℃; for 12h;
DOI:10.1016/S0040-4039(00)87206-8

Reference yield:

: 82830-71-5
(1R,4S,5S,9R)-9-(2-Hydroxy-ethyl)-4-methyl-6-oxa-bicyclo[3.2.2]non-2-en-7-one

: 82830-76-0
(3R,4R,5S,7S)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,7-dimethyl-4-trimethylsilanyloxy-cycloheptene

Guidance literature:: Multi-step reaction with 5 steps

1: 84 percent / C₃H₄N₂ / dimethylformamide / 8 h / Ambient temperature

2: 87 percent / LiAlH₄ / diethyl ether / 0.33 h / -30 - -20 °C

3: pyridine / 24 h / 3 °C

4: pyridine

5: 80 percent / LiAlH₄ / diethyl ether / 12 h / 10 °C

With lithium aluminium tetrahydride; In pyridine; diethyl ether; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(00)87206-8

Reference yield:

: 56709-58-1
(1R,4S,5R,9S)-4-Methyl-7-oxo-6-oxa-bicyclo[3.2.2]non-2-ene-9-carboxylic acid

: 82830-76-0
(3R,4R,5S,7S)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,7-dimethyl-4-trimethylsilanyloxy-cycloheptene

Guidance literature:: Multi-step reaction with 7 steps

2: 1.) ClCO₂Et, NEt₃, 2.) NaBH₄ / 1.) THF, 0 deg C, 30 min; 2.) 0 deg C, 1 h

3: 84 percent / C₃H₄N₂ / dimethylformamide / 8 h / Ambient temperature

4: 87 percent / LiAlH₄ / diethyl ether / 0.33 h / -30 - -20 °C

5: pyridine / 24 h / 3 °C

6: pyridine

7: 80 percent / LiAlH₄ / diethyl ether / 12 h / 10 °C

With sodium tetrahydroborate; lithium aluminium tetrahydride; chloroformic acid ethyl ester; triethylamine; In pyridine; diethyl ether; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(00)87206-8