(2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol

Base Information

Chemical Name:(2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol
CAS No.:273918-38-0
Molecular Formula:C₄₂H₅₀O₁₀Se
Molecular Weight:793.813
Hs Code.:

(2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol

Synonyms:(2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol

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Chemical Property of (2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol

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Technology Process of (2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol

There total 2 articles about (2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-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: 87.0%

: 10227-29-9,14048-30-7,22323-70-2,22323-71-3,23397-51-5,27299-05-4,31085-63-9,66808-29-5,66808-32-0,74560-65-9,91176-73-7,94992-18-4,110416-07-4
methyl 2,3-di-O-methyl-α-D-glucopyranoside

: 273918-30-2
(2R,3R,4S,5S)-3,4-Bis-benzyloxy-2-benzyloxymethyl-6-fluoro-5-phenylselanyl-tetrahydro-pyran

: 273918-38-0
(2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol

Guidance literature:: With tin(ll) chloride; In dichloromethane;
DOI:10.1002/(SICI)1521-3773(20000317)39:6<1089::AID-ANIE1089>3.0.CO;2-V

Reference yield:

: 135636-96-3
(3R,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-phenylselanyl-tetrahydro-pyran-3-ol

: 273918-38-0
(2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol

Guidance literature:: Multi-step reaction with 2 steps

1: 100 percent / DAST / CH₂Cl₂ / 0.5 h / 0 °C

2: 87 percent / SnCl₂; molecular sieves 4 Angstroem / diethyl ether / 3 h / 0 °C

With 4 A molecular sieve; 4,4'-diaminostilbene-2,2'-disulfonic acid; tin(ll) chloride; In diethyl ether; dichloromethane; 1: Rearrangement / 2: Glycosidation;
DOI:10.1002/1521-3765(20000901)6:17<3166::AID-CHEM3166>3.0.CO;2-Z

Reference yield: 93.0%

: 273918-38-0
(2R,3R,4S,5R,6S)-2-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-phenylselanyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol

: (2R,3R,4S,5R,6S)-2-((2S,4R,5S,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxymethyl)-4,5,6-trimethoxy-tetrahydro-pyran-3-ol

Guidance literature:: With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride; In benzene; at 80 ℃; for 1h;
DOI:10.1002/(SICI)1521-3773(20000317)39:6<1089::AID-ANIE1089>3.0.CO;2-V