(3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol

Base Information

Chemical Name:(3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol
CAS No.:936015-36-0
Molecular Formula:C₄₉H₈₂O₈Si₃
Molecular Weight:883.442
Hs Code.:

(3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol

Synonyms:(3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol

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Chemical Property of (3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol

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Technology Process of (3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol

There total 7 articles about (3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol 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%

: 928621-24-3
(4S,6R)-4-[(R)-2-(tert-butyl-dimethyl-silanyloxy)-4-(tert-butyl-diphenyl-silanyloxy)-butyl]-6-[(1S,2S)-2-(tert-butyl-dimethyl-silanyloxy)-4-(3,4-dimethoxy-benzyloxy)-1-methyl-butyl]-[1,3]dioxan-2-one

: 936015-36-0
(3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol

Guidance literature:: With potassium carbonate; In methanol; at 23 ℃; for 5h;
DOI:10.1021/ol0629869

Reference yield:

: 928621-18-5
(3R,4S)-1-(tert-butyl-diphenyl-silanyloxy)-4-(4,4,5,5-tetraphenyl-[1,3,2]dioxaborolan-2-yl)hex-5-en-3-ol

: 936015-36-0
(3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol

Guidance literature:: Multi-step reaction with 6 steps

1: 89 percent / 2,6-lutidine / CH₂Cl₂ / -78 - 0 °C

2: 77 percent / CH₂Cl₂ / 72 h / -78 - 23 °C

3: 85 percent / toluene / 24 h / 115 °C

4: 70 percent / NIS / CHCl₃ / 23 °C

5: 88 percent / n-Bu₃SnH; Et₃B / tetrahydrofuran; hexane / 4 h / -78 °C

6: 85 percent / K₂CO₃ / methanol / 5 h / 23 °C

With 2,6-dimethylpyridine; N-iodo-succinimide; triethyl borane; tri-n-butyl-tin hydride; potassium carbonate; In tetrahydrofuran; methanol; hexane; dichloromethane; chloroform; toluene;
DOI:10.1021/ol0629869

Reference yield:

: 928621-19-6
2-[(1S,2R)-2-(tert-butyl-dimethyl-silanyloxy)-4-(tert-butyl-diphenyl-silanyloxy)-1-vinyl-butyl]-4,4,5,5-tetraphenyl-[1,3,2]dioxaborolane

: 936015-36-0
(3S,4S,5R,7S,9R)-3,9-bis-(tert-butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-1-(3,4-dimethoxy-benzyloxy)-4-methyl-undecane-5,7-diol

Guidance literature:: Multi-step reaction with 5 steps

1: 77 percent / CH₂Cl₂ / 72 h / -78 - 23 °C

2: 85 percent / toluene / 24 h / 115 °C

3: 70 percent / NIS / CHCl₃ / 23 °C

4: 88 percent / n-Bu₃SnH; Et₃B / tetrahydrofuran; hexane / 4 h / -78 °C

5: 85 percent / K₂CO₃ / methanol / 5 h / 23 °C

With N-iodo-succinimide; triethyl borane; tri-n-butyl-tin hydride; potassium carbonate; In tetrahydrofuran; methanol; hexane; dichloromethane; chloroform; toluene;
DOI:10.1021/ol0629869