Technology Process of (1S,4aS,6S,7R,7aS)-7-Benzyloxymethyl-1-((2R,4aR,6S,7R,8S,8aR)-7,8-bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-6-(toluene-4-sulfonyloxy)-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester
There total 24 articles about (1S,4aS,6S,7R,7aS)-7-Benzyloxymethyl-1-((2R,4aR,6S,7R,8S,8aR)-7,8-bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-6-(toluene-4-sulfonyloxy)-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-4-carboxylic acid methyl 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:
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78924-55-7,78964-43-9,78964-47-3
(1S,4aS,6R,7S,7aS)-7-Benzyloxymethyl-1-((2R,4aR,6S,7R,8S,8aR)-7,8-bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-6-(toluene-4-sulfonyloxy)-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester
- Guidance literature:
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Multi-step reaction with 7 steps
1: 26.26 g / ZnCl2 / Ambient temperature
2: 1.) n-Bu4NI, NaH/DMSO / 1.) benzene, 15 min; 2.) benzene, r.t., 25 h
3: 53 percent / B2H6 / tetrahydrofuran
4: 622 mg / Jones reagent / acetone
5: 73.6 mg / silica gel / benzene; diethyl ether
6: 630 mg / NaBH4 / dioxane; H2O / 1 h / Ambient temperature
7: 237 mg / pyridine
With
pyridine; sodium tetrahydroborate; jones reagent; silica gel; tetra-(n-butyl)ammonium iodide; sodium hydride; dimethyl sulfoxide; zinc(II) chloride; diborane;
In
tetrahydrofuran; 1,4-dioxane; diethyl ether; water; acetone; benzene;
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78924-55-7,78964-43-9,78964-47-3
(1S,4aS,6R,7R,7aS)-7-Benzyloxymethyl-1-((2R,4aR,6S,7R,8S,8aR)-7,8-bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-6-(toluene-4-sulfonyloxy)-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester
- Guidance literature:
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Multi-step reaction with 6 steps
1: 26.26 g / ZnCl2 / Ambient temperature
2: 1.) n-Bu4NI, NaH/DMSO / 1.) benzene, 15 min; 2.) benzene, r.t., 25 h
3: 53 percent / B2H6 / tetrahydrofuran
4: 622 mg / Jones reagent / acetone
5: 262 mg / NaBH4 / dioxane; H2O / 1 h / Ambient temperature
6: 41.1 mg / pyridine
With
pyridine; sodium tetrahydroborate; jones reagent; tetra-(n-butyl)ammonium iodide; sodium hydride; dimethyl sulfoxide; zinc(II) chloride; diborane;
In
tetrahydrofuran; 1,4-dioxane; water; acetone;
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78924-55-7,78964-43-9,78964-47-3
(1S,4aS,6S,7R,7aS)-7-Benzyloxymethyl-1-((2R,4aR,6S,7R,8S,8aR)-7,8-bis-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-6-(toluene-4-sulfonyloxy)-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 26.26 g / ZnCl2 / Ambient temperature
2: 1.) n-Bu4NI, NaH/DMSO / 1.) benzene, 15 min; 2.) benzene, r.t., 25 h
3: 53 percent / B2H6 / tetrahydrofuran
4: 119 mg / pyridine / Ambient temperature
With
pyridine; tetra-(n-butyl)ammonium iodide; sodium hydride; dimethyl sulfoxide; zinc(II) chloride; diborane;
In
tetrahydrofuran;