[2,2-Dimethyl-4-((2S,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-but-3-ynyloxy]-methyl-diphenyl-silane

Base Information

• Chemical Name: [2,2-Dimethyl-4-((2S,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-but-3-ynyloxy]-methyl-diphenyl-silane
• CAS No.: 138723-38-3
• Molecular Formula: C₅₃H₅₆O₆Si
• Molecular Weight: 817.11
• Mol file: 138723-38-3.mol

Synonyms:

Chemical Property of [2,2-Dimethyl-4-((2S,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-but-3-ynyloxy]-methyl-diphenyl-silane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of [2,2-Dimethyl-4-((2S,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-but-3-ynyloxy]-methyl-diphenyl-silane

There total 3 articles about [2,2-Dimethyl-4-((2S,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-but-3-ynyloxy]-methyl-diphenyl-silane 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:

(2S,3R,4S,5R,6R)-3,4,5-Tris-benzyloxy-6-benzyloxymethyl-2-[3,3-dimethyl-4-(methyl-diphenyl-silanyloxy)-but-1-ynyl]-tetrahydro-pyran-2-ol (138723-28-1) → [2,2-Dimethyl-4-((2S,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-but-3-ynyloxy]-methyl-diphenyl-silane (138723-38-3)

Guidance literature:

With triethylsilane; boron trifluoride diethyl etherate; In dichloromethane; Yield given;

DOI:10.1021/jo00030a005

Reference yield:

(3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-one (13096-62-3) → [2,2-Dimethyl-4-((2S,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-but-3-ynyloxy]-methyl-diphenyl-silane (138723-38-3)

Guidance literature:

Multi-step reaction with 2 steps

2: Et₃SiH, BF₃*Et₂O / CH₂Cl₂

With triethylsilane; boron trifluoride diethyl etherate; In dichloromethane;

DOI:10.1021/jo00030a005

Reference yield:

C19H21LiOSi (138723-27-0) → [2,2-Dimethyl-4-((2S,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-but-3-ynyloxy]-methyl-diphenyl-silane (138723-38-3)

Guidance literature:

Multi-step reaction with 2 steps

2: Et₃SiH, BF₃*Et₂O / CH₂Cl₂

With triethylsilane; boron trifluoride diethyl etherate; In dichloromethane;

DOI:10.1021/jo00030a005

upstream raw materials:

(2S,3R,4S,5R,6R)-3,4,5-Tris-benzyloxy-6-benzyloxymethyl-2-[3,3-dimethyl-4-(methyl-diphenyl-silanyloxy)-but-1-ynyl]-tetrahydro-pyran-2-ol

(3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-one

C₁₉H₂₁LiOSi

Downstream raw materials:

(4S,5aR,8R,9aR,9bS)-4-[4-(tert-Butyl-dimethyl-silanyloxy)-3,3-dimethyl-butyl]-3a-methyl-8-phenyl-hexahydro-[1,3]dioxolo[4',5':4,5]pyrano[3,2-d][1,3]dioxine-2-thione

(2R,4aR,6S,8S,8aS)-6-[4-(tert-Butyl-dimethyl-silanyloxy)-3,3-dimethyl-butyl]-7-methyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol

(2R,4aR,6S,8S,8aS)-6-[4-(tert-Butyl-dimethyl-silanyloxy)-3,3-dimethyl-butyl]-8-hydroxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-7-one

(2R,4aR,6S,7R,8R,8aS)-6-[4-(tert-Butyl-dimethyl-silanyloxy)-3,3-dimethyl-butyl]-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol