Methanesulfonic acid (2R,4aR,6R,7S,8S,8aR)-8-benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

Base Information

Chemical Name:Methanesulfonic acid (2R,4aR,6R,7S,8S,8aR)-8-benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester
CAS No.:863297-16-9
Molecular Formula:C₄₀H₃₈O₇S₂
Molecular Weight:694.87
Hs Code.:

Synonyms:Methanesulfonic acid (2R,4aR,6R,7S,8S,8aR)-8-benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

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Chemical Property of Methanesulfonic acid (2R,4aR,6R,7S,8S,8aR)-8-benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

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Technology Process of Methanesulfonic acid (2R,4aR,6R,7S,8S,8aR)-8-benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

There total 4 articles about Methanesulfonic acid (2R,4aR,6R,7S,8S,8aR)-8-benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester 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: 100.0%

: 863297-15-8
(2R,4aR,6R,7S,8R,8aR)-8-Benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol

: 124-63-0
methanesulfonyl chloride

: 863297-16-9
Methanesulfonic acid (2R,4aR,6R,7S,8S,8aR)-8-benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

Guidance literature:: With pyridine; at 20 ℃; for 4h;
DOI:10.1016/j.tetlet.2005.05.112

Reference yield:

: 863297-14-7
(2R,4aR,6R,7S,8R,8aS)-2-Phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol

: 863297-16-9
Methanesulfonic acid (2R,4aR,6R,7S,8S,8aR)-8-benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: Bu₂SnO; CsF / toluene / 3 h / Heating

1.2: 91 percent / dimethylformamide / 20 °C

2.1: 100 percent / Py / 4 h / 20 °C

With pyridine; di(n-butyl)tin oxide; cesium fluoride; In toluene;
DOI:10.1016/j.tetlet.2005.05.112

Reference yield:

: 1125-88-8
benzaldehyde dimethyl acetal

: 863297-16-9
Methanesulfonic acid (2R,4aR,6R,7S,8S,8aR)-8-benzyloxy-2-phenyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 53 percent / TsOH / dimethylformamide / 6 h / 50 °C

2.1: Bu₂SnO; CsF / toluene / 3 h / Heating

2.2: 91 percent / dimethylformamide / 20 °C

3.1: 100 percent / Py / 4 h / 20 °C

With pyridine; di(n-butyl)tin oxide; toluene-4-sulfonic acid; cesium fluoride; In N,N-dimethyl-formamide; toluene;
DOI:10.1016/j.tetlet.2005.05.112