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

Base Information

Chemical Name:(3R,4R,5S,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-methylene-tetrahydro-pyran-3-ol
CAS No.:240415-45-6
Molecular Formula:C₂₈H₃₀O₅
Molecular Weight:446.543
Hs Code.:

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

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

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

There total 5 articles about (3R,4R,5S,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-methylene-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: 86.0%

: 115649-78-0
1,2-dideoxy-4,5,7-tri-O-benzyl-D-galacto-1-heptenitol

: 240415-45-6
(3R,4R,5S,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-methylene-tetrahydro-pyran-3-ol

Guidance literature:: Multistep reaction;
DOI:10.1016/S0040-4039(99)01055-2

Reference yield:

: 240415-47-8
Acetic acid (3R,4S,5S,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-methylene-tetrahydro-pyran-3-yl ester

: 240415-45-6
(3R,4R,5S,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-methylene-tetrahydro-pyran-3-ol

Guidance literature:: With potassium carbonate; In methanol; at 20 ℃;
DOI:10.1016/S0040-4039(01)01533-7

Reference yield:

: 68779-52-2
1,2-O-(1-methoxyethylidene)-3,4,6-tri-O-benzyl-α-D-galactopyranose

: 240415-45-6
(3R,4R,5S,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-methylene-tetrahydro-pyran-3-ol

Guidance literature:: Multi-step reaction with 3 steps

1.1: AcOH; pyridine / H₂O / 20 °C

1.2: PCC; 4 Angstroem mol. sieves / CH₂Cl₂ / 20 °C

2.1: tetrahydrofuran; pyridine / -40 - 20 °C

3.1: K₂CO₃ / methanol / 20 °C

With pyridine; potassium carbonate; acetic acid; In tetrahydrofuran; pyridine; methanol; water; 2.1: Tebbe methylenation;
DOI:10.1016/S0040-4039(01)01533-7