(2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-ol

Base Information

Chemical Name:(2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-ol
CAS No.:204704-90-5
Molecular Formula:C₄₃H₅₂O₁₂
Molecular Weight:760.879
Hs Code.:

(2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-ol

Synonyms:(2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-ol

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Chemical Property of (2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-ol

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Technology Process of (2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-ol

There total 5 articles about (2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-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: 100.0%

: (4aR,6R,7R,8S,8aS)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-7,8-bis-(4-methoxy-benzyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine

: 204704-90-5
(2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-ol

Guidance literature:: With acetic acid; at 90 ℃; for 2h;
DOI:10.1080/00397919808006846

Reference yield:

: 56119-28-9
ethyl 4,6-O-benzylidene-1-thio-β-D-galacto-pyranoside

: 204704-90-5
(2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-ol

Guidance literature:: Multi-step reaction with 3 steps

1: 91 percent / NaH / dimethylformamide / 3 h

2: 80 percent / CuBr₂, Bu₄NBr, 4 Angstroem molecular sieves / 1,2-dichloro-ethane; dimethylformamide / 72 h / 24 °C

3: 100 percent / 85percent AcOH / 2 h / 90 °C

With 4 A molecular sieve; tetrabutylammomium bromide; sodium hydride; acetic acid; copper(ll) bromide; In 1,2-dichloro-ethane; N,N-dimethyl-formamide;
DOI:10.1080/00397919808006846

Reference yield:

: 69850-47-1
(2R,3R,4R,5R,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-ol

: 204704-90-5
(2R,3S,4S,5R,6R)-6-((2R,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-2-hydroxymethyl-4,5-bis-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-ol

Guidance literature:: Multi-step reaction with 2 steps

1: 80 percent / CuBr₂, Bu₄NBr, 4 Angstroem molecular sieves / 1,2-dichloro-ethane; dimethylformamide / 72 h / 24 °C

2: 100 percent / 85percent AcOH / 2 h / 90 °C

With 4 A molecular sieve; tetrabutylammomium bromide; acetic acid; copper(ll) bromide; In 1,2-dichloro-ethane; N,N-dimethyl-formamide;
DOI:10.1080/00397919808006846