(3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one

Base Information

Chemical Name:(3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one
CAS No.:496877-76-0
Molecular Formula:C₂₇H₂₈O₆
Molecular Weight:448.516
Hs Code.:

Synonyms:(3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one

Suppliers and Price of (3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one

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Chemical Property of (3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one

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Technology Process of (3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one

There total 15 articles about (3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one 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: 98.0%

: 846542-07-2
(2'R,3'S,4R,4'R,5'R)-4-benzyl-3-[2',4',6'-tris(benzyloxy)-5'-(tert-butyldimethylsilanyloxy)-3'-hydroxyhexanoyl]-5,5-dimethyloxazolidin-2-one

: 496877-76-0
(3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one

Guidance literature:: With tetrabutyl ammonium fluoride; acetic acid; In tetrahydrofuran; at 20 ℃;
DOI:10.1055/s-2002-34215

Reference yield: 85.0%

: 2,4,6-tri-O-benzyl-3-O-(4-methoxybenzyl)-D-galactono-1,5-lactone

: 496877-76-0
(3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one

Guidance literature:: With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water; at 0 - 20 ℃; for 2.5h;
DOI:10.1016/j.tet.2006.07.032

Reference yield:

: 60656-87-3
benzyloxyacetoaldehyde

: 496877-76-0
(3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one

Guidance literature:: Multi-step reaction with 6 steps

1: 77 percent / Et₂BOTf; i-Pr₂NEt / CH₂Cl₂; hexane / -78 - 0 °C

2: 90 percent / imidazole; DMAP / dimethylformamide / 18 h / 20 °C

3: 94 percent / DIBAL / CH₂Cl₂ / 0.33 h / -78 °C

4: 72 percent / aq. K₂CO₃ / methanol / 0.25 h / 20 °C

5: 63 percent / Et₂BOTf; i-Pr₂NEt / CH₂Cl₂; hexane / -78 - 0 °C

6: 81 percent / TBAF; AcOH / tetrahydrofuran / 16 h / 20 °C

With 1H-imidazole; dmap; tetrabutyl ammonium fluoride; diisobutylaluminium hydride; potassium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; diethylboron trifluoromethanesulfonate; In tetrahydrofuran; methanol; hexane; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1039/b415943h