(2R,5R,6S)-6-Ethoxy-5-((4aR,6S,6aR,9aR,9bS)-8-ethoxy-2,2-dimethyl-octahydro-furo[2',3':4,5]pyrano[3,2-d][1,3]dioxin-6-yl)-2-trityloxymethyl-dihydro-pyran-3-one

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Chemical Name:(2R,5R,6S)-6-Ethoxy-5-((4aR,6S,6aR,9aR,9bS)-8-ethoxy-2,2-dimethyl-octahydro-furo[2',3':4,5]pyrano[3,2-d][1,3]dioxin-6-yl)-2-trityloxymethyl-dihydro-pyran-3-one
CAS No.:120661-98-5
Molecular Formula:C₄₀H₄₈O₉
Molecular Weight:672.816
Hs Code.:

(2R,5R,6S)-6-Ethoxy-5-((4aR,6S,6aR,9aR,9bS)-8-ethoxy-2,2-dimethyl-octahydro-furo[2',3':4,5]pyrano[3,2-d][1,3]dioxin-6-yl)-2-trityloxymethyl-dihydro-pyran-3-one

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (2R,5R,6S)-6-Ethoxy-5-((4aR,6S,6aR,9aR,9bS)-8-ethoxy-2,2-dimethyl-octahydro-furo[2',3':4,5]pyrano[3,2-d][1,3]dioxin-6-yl)-2-trityloxymethyl-dihydro-pyran-3-one

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Technology Process of (2R,5R,6S)-6-Ethoxy-5-((4aR,6S,6aR,9aR,9bS)-8-ethoxy-2,2-dimethyl-octahydro-furo[2',3':4,5]pyrano[3,2-d][1,3]dioxin-6-yl)-2-trityloxymethyl-dihydro-pyran-3-one

There total 2 articles about (2R,5R,6S)-6-Ethoxy-5-((4aR,6S,6aR,9aR,9bS)-8-ethoxy-2,2-dimethyl-octahydro-furo[2',3':4,5]pyrano[3,2-d][1,3]dioxin-6-yl)-2-trityloxymethyl-dihydro-pyran-3-one 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: 70.0%

: 40555-08-6
ethyl 2,3-dideoxy-6-O-trityl-α-D-glycero-hex-2-enopyranosid-4-ulose

: 120525-27-1,120576-35-4
4,6-Di-O-isopropylidene-3-O-(2-bromo-1-ethoxyethyl)-D-glucal

: 120525-37-3,120661-98-5
(2R,5R,6S)-6-Ethoxy-5-((4aR,6S,6aR,9aR,9bS)-8-ethoxy-2,2-dimethyl-octahydro-furo[2',3':4,5]pyrano[3,2-d][1,3]dioxin-6-yl)-2-trityloxymethyl-dihydro-pyran-3-one

Guidance literature:: With tri-n-butyl-tin hydride;
DOI:10.1021/ja00191a064

Reference yield:

: 51450-36-3
4,6-O-isopropylidene-D-glucal

: 120525-37-3,120661-98-5
(2R,5R,6S)-6-Ethoxy-5-((4aR,6S,6aR,9aR,9bS)-8-ethoxy-2,2-dimethyl-octahydro-furo[2',3':4,5]pyrano[3,2-d][1,3]dioxin-6-yl)-2-trityloxymethyl-dihydro-pyran-3-one

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) Br₂; 2.) NEt₃ / 1.) CH₂Cl₂, -78 deg C, 30 min; room temp., 1 h; 2.) room temp., 3 h

2: 70 percent / Bu₃SnH

With bromine; tri-n-butyl-tin hydride; triethylamine;
DOI:10.1021/ja00191a064