(3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-methoxy-2-vinyl-octahydro-pyrano[3,2-b]pyran

Base Information

Chemical Name:(3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-methoxy-2-vinyl-octahydro-pyrano[3,2-b]pyran
CAS No.:207805-80-9
Molecular Formula:C₂₄H₃₄O₆
Molecular Weight:418.53
Hs Code.:

Synonyms:(3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-methoxy-2-vinyl-octahydro-pyrano[3,2-b]pyran

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Chemical Property of (3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-methoxy-2-vinyl-octahydro-pyrano[3,2-b]pyran

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Technology Process of (3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-methoxy-2-vinyl-octahydro-pyrano[3,2-b]pyran

There total 6 articles about (3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-methoxy-2-vinyl-octahydro-pyrano[3,2-b]pyran 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: 80.0%

: 207805-79-6
(3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-vinyl-octahydro-pyrano[3,2-b]pyran-2-ol

: 149-73-5
trimethyl orthoformate

: 207805-80-9
(3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-methoxy-2-vinyl-octahydro-pyrano[3,2-b]pyran

Guidance literature:: With camphor-10-sulfonic acid; In dichloromethane;
DOI:10.1039/a801678j

Reference yield:

: ((2R,3R)-2-Iodomethyl-tetrahydro-pyran-3-yloxy)-triisopropyl-silane

: 207805-80-9
(3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-methoxy-2-vinyl-octahydro-pyrano[3,2-b]pyran

Guidance literature:: Multi-step reaction with 5 steps

1: LDA, HMPA / tetrahydrofuran / -78 - 0 °C

2: Bu₄NF / tetrahydrofuran

3: TsOH*H₂O / toluene / 90 °C

4: 80 percent / tetrahydrofuran / -78 °C

5: 80 percent / CSA / CH₂Cl₂

With N,N,N,N,N,N-hexamethylphosphoric triamide; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; toluene-4-sulfonic acid; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; toluene;
DOI:10.1039/a801678j

Reference yield:

: ((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-acetic acid tert-butyl ester

: 207805-80-9
(3R,4aS,8aR)-3-((2R,3S)-2-Benzyloxymethyl-tetrahydro-pyran-3-yloxy)-2-methoxy-2-vinyl-octahydro-pyrano[3,2-b]pyran

Guidance literature:: Multi-step reaction with 5 steps

1: LDA, HMPA / tetrahydrofuran / -78 - 0 °C

2: Bu₄NF / tetrahydrofuran

3: TsOH*H₂O / toluene / 90 °C

4: 80 percent / tetrahydrofuran / -78 °C

5: 80 percent / CSA / CH₂Cl₂

With N,N,N,N,N,N-hexamethylphosphoric triamide; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; toluene-4-sulfonic acid; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; toluene;
DOI:10.1039/a801678j