(2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-(2-methoxy-phenyl)-tetrahydro-pyran-3-ol

Base Information

Chemical Name:(2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-(2-methoxy-phenyl)-tetrahydro-pyran-3-ol
CAS No.:616239-53-3
Molecular Formula:C₃₄H₃₆O₆
Molecular Weight:540.656
Hs Code.:

Synonyms:(2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-(2-methoxy-phenyl)-tetrahydro-pyran-3-ol

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

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

There total 3 articles about (2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-(2-methoxy-phenyl)-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: 72.0%

: 616239-50-0
((2R,3R,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-pent-4-enyloxy-tetrahydro-pyran-3-yloxy)-diethyl-(2-methoxy-phenyl)-silane

: 616239-53-3
(2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-(2-methoxy-phenyl)-tetrahydro-pyran-3-ol

Guidance literature:: ((2R,3R,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-pent-4-enyloxy-tetrahydro-pyran-3-yloxy)-diethyl-(2-methoxy-phenyl)-silane; With iodonium di(2,4,6-trimethylpyridine) perchlorate; 4 A molecular sieve; In dichloromethane; at 20 ℃; for 4h;

With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 0 ℃; for 2h;
DOI:10.1021/ol035529q

Reference yield: 59.0%

: 616239-49-7
((2R,3R,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-pent-4-enyloxy-tetrahydro-pyran-3-yloxy)-(2-methoxy-phenyl)-dimethyl-silane

: 616239-53-3
(2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-(2-methoxy-phenyl)-tetrahydro-pyran-3-ol

Guidance literature:: ((2R,3R,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-pent-4-enyloxy-tetrahydro-pyran-3-yloxy)-(2-methoxy-phenyl)-dimethyl-silane; With iodonium di(2,4,6-trimethylpyridine) perchlorate; 4 A molecular sieve; In dichloromethane; at 20 ℃; for 4h;

With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 0 ℃; for 2h;
DOI:10.1021/ol035529q

Reference yield:

: 578-57-4
2-bromoanisole

: 616239-53-3
(2R,3S,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-(2-methoxy-phenyl)-tetrahydro-pyran-3-ol

Guidance literature:: Multi-step reaction with 2 steps

1.1: BuLi / tetrahydrofuran; hexane / 0.75 h / -78 °C

1.2: 52 percent / tetrahydrofuran; hexane / -78 - 20 °C

2.1: 4 Angstroem molecular sieves; iodonium dicollidine perchlorate / CH₂Cl₂ / 4 h / 20 °C

2.2: 59 percent / Bu₄NF / tetrahydrofuran / 2 h / 0 °C

With n-butyllithium; iodonium di(2,4,6-trimethylpyridine) perchlorate; 4 A molecular sieve; In tetrahydrofuran; hexane; dichloromethane;
DOI:10.1021/ol035529q