((2R,4aR,6S,7S,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-methanol

Base Information

Chemical Name:((2R,4aR,6S,7S,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-methanol
CAS No.:83417-06-5
Molecular Formula:C₂₈H₃₀O₆
Molecular Weight:462.543
Hs Code.:

Synonyms:((2R,4aR,6S,7S,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-methanol

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Chemical Property of ((2R,4aR,6S,7S,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-methanol

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Technology Process of ((2R,4aR,6S,7S,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-methanol

There total 7 articles about ((2R,4aR,6S,7S,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-methanol 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: 81.0%

: 83416-93-7
(2R,4aR,6R,7R,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-6-carbaldehyde

: 83417-06-5
((2R,4aR,6S,7S,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-methanol

Guidance literature:: With sodium tetrahydroborate;
DOI:10.1021/ja00387a062

Reference yield:

: 20770-84-7,113566-69-1,113566-70-4
2,3-di-O-benzyl-4,6-O-benzylidene-D-glucopyranose

: 83417-06-5
((2R,4aR,6S,7S,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-methanol

Guidance literature:: Multi-step reaction with 7 steps

1: 82 percent

3: DIBAL

4: 88 percent / (+)-DET, Ti(i-PrO)4, TBHP / CH₂Cl₂ / -20 °C

5: 1.) (n-Bu)4N⁺F^-, 2.) NaH / 2.) DMF

6: NaIO₄

7: 81 percent / NaBH₄

With titanium(IV) isopropylate; tert.-butylhydroperoxide; sodium tetrahydroborate; sodium periodate; diethyl (2R,3R)-tartrate; tetrabutyl ammonium fluoride; sodium hydride; diisobutylaluminium hydride; In dichloromethane;
DOI:10.1021/ja00387a062

Reference yield:

: 83416-98-2
(E)-(4S,5R)-4,5-Bis-benzyloxy-5-((2R,4R,5R)-5-hydroxy-2-phenyl-[1,3]dioxan-4-yl)-pent-2-enoic acid ethyl ester

: 83417-06-5
((2R,4aR,6S,7S,8R,8aR)-7,8-Bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-methanol

Guidance literature:: Multi-step reaction with 6 steps

2: DIBAL

3: 88 percent / (+)-DET, Ti(i-PrO)4, TBHP / CH₂Cl₂ / -20 °C

4: 1.) (n-Bu)4N⁺F^-, 2.) NaH / 2.) DMF

5: NaIO₄

6: 81 percent / NaBH₄

With titanium(IV) isopropylate; tert.-butylhydroperoxide; sodium tetrahydroborate; sodium periodate; diethyl (2R,3R)-tartrate; tetrabutyl ammonium fluoride; sodium hydride; diisobutylaluminium hydride; In dichloromethane;
DOI:10.1021/ja00387a062