(2R,3R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-ol

Base Information

• Chemical Name: (2R,3R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-ol
• CAS No.: 291282-26-3
• Molecular Formula: C₄₄H₆₆O₇S₂Si
• Molecular Weight: 799.221
• Mol file: 291282-26-3.mol

Synonyms:(2R,3R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-ol

Chemical Property of (2R,3R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-ol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,3R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-ol

There total 1 articles about (2R,3R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-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: 47.0%

methyl 2-O-tert-butyldimethylsilyl-3,6-dideoxy-α-D-erythro-hexopyranosid-4-ulose (188254-04-8) + C31H40O3S2 (291282-23-0) → (2R,3S,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-ol + (2R,3R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-ol (291282-26-3)

Guidance literature:

C₃₁H₄₀O₃S₂; With n-butyllithium; sodium t-butanolate; In tetrahydrofuran; hexane; at -78 ℃; for 1h;

methyl 2-O-tert-butyldimethylsilyl-3,6-dideoxy-α-D-erythro-hexopyranosid-4-ulose; In tetrahydrofuran; at -78 ℃; for 0.166667h;

DOI:10.1016/S0040-4039(00)00752-8

Reference yield: 90.0%

(2R,3R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-ol (291282-26-3) → (2R,3R,5R,6S)-6-Methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3,5-diol (291282-27-4)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 20 ℃; for 8h;

DOI:10.1016/S0040-4039(00)00752-8

Reference yield:

(2R,3R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3-ol (291282-26-3) → (3S,4R,5R)-3,4,5-Tris-benzyloxy-1-((2R,3R,5R,6S)-3,5-dihydroxy-6-methoxy-2-methyl-tetrahydro-pyran-3-yl)-hexan-1-one (291282-30-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent / TBAF / tetrahydrofuran / 8 h / 20 °C

2: 79 percent / HgCl₂ / acetonitrile; H₂O / 0.5 h / 20 °C

With tetrabutyl ammonium fluoride; mercury dichloride; In tetrahydrofuran; water; acetonitrile; 1: desilylation / 2: Oxidation;

DOI:10.1016/S0040-4039(00)00752-8

upstream raw materials:

methyl 2-O-tert-butyldimethylsilyl-3,6-dideoxy-α-D-erythro-hexopyranosid-4-ulose

C₃₁H₄₀O₃S₂

Downstream raw materials:

(2R,3R,5R,6S)-6-Methoxy-2-methyl-3-((3S,4R,5R)-3,4,5-tris-benzyloxy-1,1-bis-ethylsulfanyl-hexyl)-tetrahydro-pyran-3,5-diol

(3S,4R,5R)-3,4,5-Tris-benzyloxy-1-((2R,3R,5R,6S)-3,5-dihydroxy-6-methoxy-2-methyl-tetrahydro-pyran-3-yl)-hexan-1-one

(2R,3S,5R,6S)-6-Methoxy-2-methyl-3-((1S,3S,4R,5R)-3,4,5-tris-benzyloxy-1-hydroxy-hexyl)-tetrahydro-pyran-3,5-diol