Technology Process of (-)-(2aR,3S,3aR,8bS,8cR)-8b-hydroxy-6,8-dimethoxy-3a-(4-methoxyphenyl)-3-phenyl-3,3a,8b,8c-tetrahydro-oxeto[2',3':3,4]cyclopenta[1,2-b]benzofuran-2(2aH)-one
There total 4 articles about (-)-(2aR,3S,3aR,8bS,8cR)-8b-hydroxy-6,8-dimethoxy-3a-(4-methoxyphenyl)-3-phenyl-3,3a,8b,8c-tetrahydro-oxeto[2',3':3,4]cyclopenta[1,2-b]benzofuran-2(2aH)-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:
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1554275-14-7
(-)-(2aR,3S,3aR,8bS,8cR)-8b-hydroxy-6,8-dimethoxy-3a-(4-methoxyphenyl)-3-phenyl-3,3a,8b,8c-tetrahydro-oxeto[2',3':3,4]cyclopenta[1,2-b]benzofuran-2(2aH)-one
- Guidance literature:
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With
bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine;
In
dichloromethane;
at 0 - 20 ℃;
Inert atmosphere;
DOI:10.1021/ja412431g
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1554275-14-7
(-)-(2aR,3S,3aR,8bS,8cR)-8b-hydroxy-6,8-dimethoxy-3a-(4-methoxyphenyl)-3-phenyl-3,3a,8b,8c-tetrahydro-oxeto[2',3':3,4]cyclopenta[1,2-b]benzofuran-2(2aH)-one
- Guidance literature:
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Multi-step reaction with 2 steps
1: sodium hydroxide / water; dimethyl sulfoxide / 3 h / 60 °C / Inert atmosphere
2: bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere
With
bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine; sodium hydroxide;
In
dichloromethane; water; dimethyl sulfoxide;
DOI:10.1021/ja412431g
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-
1554275-14-7
(-)-(2aR,3S,3aR,8bS,8cR)-8b-hydroxy-6,8-dimethoxy-3a-(4-methoxyphenyl)-3-phenyl-3,3a,8b,8c-tetrahydro-oxeto[2',3':3,4]cyclopenta[1,2-b]benzofuran-2(2aH)-one
- Guidance literature:
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Multi-step reaction with 4 steps
1: lithium hydroxide / tetrahydrofuran; water / 5 h / 60 °C
2: dmap; dicyclohexyl-carbodiimide / dichloromethane / 20 °C
3: sodium hydroxide / water; dimethyl sulfoxide / 3 h / 60 °C / Inert atmosphere
4: bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere
With
dmap; bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine; dicyclohexyl-carbodiimide; sodium hydroxide; lithium hydroxide;
In
tetrahydrofuran; dichloromethane; water; dimethyl sulfoxide;
DOI:10.1021/ja412431g