(S)-1-[(2R,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-but-3-en-1-ol

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Chemical Name:(S)-1-[(2R,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-but-3-en-1-ol
CAS No.:374638-44-5
Molecular Formula:C₂₅H₄₀O₅Si
Molecular Weight:448.675
Hs Code.:

Synonyms:(S)-1-[(2R,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-but-3-en-1-ol

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Chemical Property of (S)-1-[(2R,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-but-3-en-1-ol

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Technology Process of (S)-1-[(2R,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-but-3-en-1-ol

There total 5 articles about (S)-1-[(2R,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-but-3-en-1-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: 92.0%

: 374638-43-4
(2R,4aR,6R,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-6-carbaldehyde

: 374638-44-5
(S)-1-[(2R,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-but-3-en-1-ol

Guidance literature:: (2R,4aR,6R,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-6-carbaldehyde; allyldiisopinocampheylborane; In diethyl ether; at -78 ℃;

With sodium hydroxide; dihydrogen peroxide; at 20 ℃;
DOI:10.1016/S0040-4039(01)01204-7

Reference yield: 92.0%

: 374638-43-4
(2R,4aR,6R,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-6-carbaldehyde

: 374638-44-5
(S)-1-[(2R,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-but-3-en-1-ol

Guidance literature:: (2R,4aR,6R,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-6-carbaldehyde; allyldiisopinocampheylborane (^dIpc₂B-allyl); In diethyl ether; pentane; at -78 ℃; for 5h;

With sodium hydroxide; dihydrogen peroxide; In methanol; diethyl ether; pentane; at 20 ℃; for 1h;
DOI:10.1016/S0040-4020(02)00039-X

Reference yield:

: 69739-34-0
t-butyldimethylsiyl triflate

: 374638-44-5
(S)-1-[(2R,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-4a,6-dimethyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-but-3-en-1-ol

Guidance literature:: Multi-step reaction with 3 steps

1.1: 100 percent / 2,6-lutidine / CH₂Cl₂ / 1 h / 20 °C

2.1: O₃ / CH₂Cl₂; methanol / -78 °C

2.2: 99 percent / PPh₃ / CH₂Cl₂; methanol / 0.5 h / 20 °C

3.1: diethyl ether; pentane / 5 h / -78 °C

3.2: 92 percent / aq. H₂O₂; aq. NaOH / diethyl ether; pentane; methanol / 1 h / 20 °C

With 2,6-dimethylpyridine; ozone; In methanol; diethyl ether; dichloromethane; pentane; 3.1: Brown's asymmetric allylboration;
DOI:10.1016/S0040-4020(02)00039-X