(3aR,5R,6R,7S,7aR)-6,7-Bis-benzyloxy-2-ethoxy-2-methyl-5-trityloxymethyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran

Base Information

Chemical Name:(3aR,5R,6R,7S,7aR)-6,7-Bis-benzyloxy-2-ethoxy-2-methyl-5-trityloxymethyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran
CAS No.:67965-11-1
Molecular Formula:C₄₃H₄₄O₇
Molecular Weight:672.818
Hs Code.:

Synonyms:(3aR,5R,6R,7S,7aR)-6,7-Bis-benzyloxy-2-ethoxy-2-methyl-5-trityloxymethyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran

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Chemical Property of (3aR,5R,6R,7S,7aR)-6,7-Bis-benzyloxy-2-ethoxy-2-methyl-5-trityloxymethyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran

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MSDS Files:: SDS file from LookChem

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Technology Process of (3aR,5R,6R,7S,7aR)-6,7-Bis-benzyloxy-2-ethoxy-2-methyl-5-trityloxymethyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran

There total 3 articles about (3aR,5R,6R,7S,7aR)-6,7-Bis-benzyloxy-2-ethoxy-2-methyl-5-trityloxymethyl-tetrahydro-[1,3]dioxolo[4,5-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:

: 3254-17-9
3,4,6-tri-O-acetyl-1,2-O-(1-ethoxyethylidene)-α-D-glucopyranose

: 67965-11-1
(3aR,5R,6R,7S,7aR)-6,7-Bis-benzyloxy-2-ethoxy-2-methyl-5-trityloxymethyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran

Guidance literature:: Multi-step reaction with 3 steps

1: sodium methoxide / methanol / 12 h / 25 °C

2: diisopropylethylamine / dimethylformamide / 24 h / 25 °C

3: 1.) sodium hydride / 1.) glyme, 0 deg C, 30 min, 2.) glyme, 25 deg C, 24 h

With sodium methylate; sodium hydride; N-ethyl-N,N-diisopropylamine; In methanol; N,N-dimethyl-formamide;
DOI:10.1021/jo00350a073

Reference yield:

: 53604-68-5
1,2-O-(1-ethoxyethylidene)-α-D-glucopyranose

: 67965-11-1
(3aR,5R,6R,7S,7aR)-6,7-Bis-benzyloxy-2-ethoxy-2-methyl-5-trityloxymethyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran

Guidance literature:: Multi-step reaction with 2 steps

1: diisopropylethylamine / dimethylformamide / 24 h / 25 °C

2: 1.) sodium hydride / 1.) glyme, 0 deg C, 30 min, 2.) glyme, 25 deg C, 24 h

With sodium hydride; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide;
DOI:10.1021/jo00350a073