2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol

Base Information

• Chemical Name: 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol
• CAS No.: 208454-46-0
• Molecular Formula: C₅₄H₇₂O₈Si₂
• Molecular Weight: 905.332

Synonyms:2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol

Chemical Property of 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol

There total 7 articles about 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol 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: 42.0%

(2R,3S,4aR,5aS,10aR,12aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-9-[(2R,3S)-3-((Z)-3-trimethylsilanyl-propenyloxy)-tetrahydro-pyran-2-ylmethyl]-decahydro-1,5,8,10-tetraoxa-benzo[b]heptalene → 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3R,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol + 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol (208454-46-0)

Guidance literature:

With titanium tetrachloride; triphenylphosphine; In dichloromethane; at -78 - 0 ℃;

DOI:10.1021/jo990989b

Reference yield: 36.0%

(2R,3S,4aR,5aS,10aR,12aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-9-[(2R,3S)-3-((Z)-3-triethylsilanyl-propenyloxy)-tetrahydro-pyran-2-ylmethyl]-decahydro-1,5,8,10-tetraoxa-benzo[b]heptalene → 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3R,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol + 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol (208454-46-0)

Guidance literature:

With titanium tetrachloride; triphenylphosphine; In dichloromethane; at -78 - 0 ℃;

DOI:10.1021/jo990989b

Reference yield: 29.0%

(2R,3S,4aR,5aS,9R,10aR,12aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-9-[(2R,3S)-3-((Z)-3-trimethylsilanyl-propenyloxy)-tetrahydro-pyran-2-ylmethyl]-decahydro-1,5,8,10-tetraoxa-benzo[b]heptalene (256441-21-1) → 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2S,3R,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol + 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3R,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol + 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2S,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol + 2-[(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-((2R,3S,4aR,8aS)-2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol (208454-46-0)

Guidance literature:

With titanium tetrachloride; triphenylphosphine; In dichloromethane; at -78 - 0 ℃;

DOI:10.1021/jo990989b

upstream raw materials:

(2R,3S,4aR,5aS,9R,10aR,12aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-9-[(2R,3S)-3-((Z)-3-trimethylsilanyl-propenyloxy)-tetrahydro-pyran-2-ylmethyl]-decahydro-1,5,8,10-tetraoxa-benzo[b]heptalene

((2R,3S)-3-Allyloxy-tetrahydro-pyran-2-yl)-acetaldehyde

(2R,3S,4aR,6S,7R,9aS)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-6-(2-hydroxy-ethyl)-octahydro-1,5-dioxa-benzocyclohepten-7-ol

(2R,3S,4aR,5aS,9R,10aR,12aS)-9-((2R,3S)-3-Allyloxy-tetrahydro-pyran-2-ylmethyl)-3-(tert-butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-decahydro-1,5,8,10-tetraoxa-benzo[b]heptalene

Downstream raw materials:

6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(tert-butyl-diphenyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-7-(2-vinyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-octahydro-1,5-dioxa-benzocycloheptene

C₄₀H₅₄O₉Si

C₄₀H₅₆O₉Si

C₄₄H₆₄O₈S₂Si

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