(2R,3R,4S,6R)-6-Benzyloxymethyl-3-bromo-2-methoxy-tetrahydro-pyran-4-ol

Base Information

Chemical Name:(2R,3R,4S,6R)-6-Benzyloxymethyl-3-bromo-2-methoxy-tetrahydro-pyran-4-ol
CAS No.:790667-31-1
Molecular Formula:C₁₄H₁₉BrO₄
Molecular Weight:331.206
Hs Code.:

Synonyms:(2R,3R,4S,6R)-6-Benzyloxymethyl-3-bromo-2-methoxy-tetrahydro-pyran-4-ol

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Chemical Property of (2R,3R,4S,6R)-6-Benzyloxymethyl-3-bromo-2-methoxy-tetrahydro-pyran-4-ol

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Technology Process of (2R,3R,4S,6R)-6-Benzyloxymethyl-3-bromo-2-methoxy-tetrahydro-pyran-4-ol

There total 6 articles about (2R,3R,4S,6R)-6-Benzyloxymethyl-3-bromo-2-methoxy-tetrahydro-pyran-4-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: 85.0%

: 790667-24-2
(2R,6R)-2-[(benzyloxy)methyl]-6-methoxy-3,6-dihydro-2H-pyran

: 790667-31-1
(2R,3R,4S,6R)-6-Benzyloxymethyl-3-bromo-2-methoxy-tetrahydro-pyran-4-ol

Guidance literature:: With N-Bromosuccinimide; In dimethyl sulfoxide; at 10 ℃; for 0.5h;
DOI:10.1021/jo0493774

Reference yield:

: 14618-80-5
(R)-benzyl glycidol

: 790667-31-1
(2R,3R,4S,6R)-6-Benzyloxymethyl-3-bromo-2-methoxy-tetrahydro-pyran-4-ol

Guidance literature:: Multi-step reaction with 6 steps

1: 90 percent / Ti(O-iPr)4 / tetrahydrofuran / 4 h / -78 - -40 °C

2: pyridine

3: 90 percent / DDQ / CH₂Cl₂; H₂O / 1 h / 20 °C

4: TEA; TMSOTf / methanol / 2 h / 20 °C

5: 74 percent / Raney Ni / tetrahydrofuran / 0.08 h / 20 °C

6: 85 percent / NBS / dimethylsulfoxide / 0.5 h / 10 °C

With pyridine; titanium(IV) isopropylate; N-Bromosuccinimide; trimethylsilyl trifluoromethanesulfonate; TEA; nickel; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran; methanol; dichloromethane; water; dimethyl sulfoxide;
DOI:10.1021/jo0493774

Reference yield:

: 199393-64-1
(2R)-1-(benzyloxy)-3-(3-{[(4-methoxybenzyl)oxy]methyl}-5,6-dihydro-1,4-dithiin-2-yl)propan-2-ol

: 790667-31-1
(2R,3R,4S,6R)-6-Benzyloxymethyl-3-bromo-2-methoxy-tetrahydro-pyran-4-ol

Guidance literature:: Multi-step reaction with 5 steps

1: pyridine

2: 90 percent / DDQ / CH₂Cl₂; H₂O / 1 h / 20 °C

3: TEA; TMSOTf / methanol / 2 h / 20 °C

4: 74 percent / Raney Ni / tetrahydrofuran / 0.08 h / 20 °C

5: 85 percent / NBS / dimethylsulfoxide / 0.5 h / 10 °C

With pyridine; N-Bromosuccinimide; trimethylsilyl trifluoromethanesulfonate; TEA; nickel; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran; methanol; dichloromethane; water; dimethyl sulfoxide;
DOI:10.1021/jo0493774