Technology Process of methyl 2,3-di-O-benzyl-4,7,8-trideoxy-4-C-[(1R)-1-triethylsilyloxyallyl]-D-glycero-α-D-galacto-octa-7-enopyranoside
There total 8 articles about methyl 2,3-di-O-benzyl-4,7,8-trideoxy-4-C-[(1R)-1-triethylsilyloxyallyl]-D-glycero-α-D-galacto-octa-7-enopyranoside which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
2.1: dimethylsulfide borane complex / tetrahydrofuran / 1.5 h / 20 °C / Inert atmosphere
2.2: 12 h / 0 - 20 °C
3.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 1 h / -78 °C / Inert atmosphere
3.2: 0.5 h / -78 - 0 °C / Inert atmosphere
4.1: tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere
5.1: 1H-imidazole / N,N-dimethyl-formamide / 1.5 h / 60 °C
6.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane; water / 2 h / Cooling with ice
7.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 1 h / -78 °C / Inert atmosphere
7.2: 0.5 h / -78 - 0 °C / Inert atmosphere
8.1: tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere
With
1H-imidazole; n-butyllithium; oxalyl dichloride; dimethylsulfide borane complex; dimethyl sulfoxide; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide;
1.1: |Wittig Olefination / 3.1: |Swern Oxidation / 4.1: |Grignard Reaction / 7.1: |Swern Oxidation / 8.1: |Grignard Reaction;
DOI:10.1002/ejoc.201400028
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 1 h / -78 °C / Inert atmosphere
1.2: 0.5 h / -78 - 0 °C / Inert atmosphere
2.1: tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere
3.1: 1H-imidazole / N,N-dimethyl-formamide / 1.5 h / 60 °C
4.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane; water / 2 h / Cooling with ice
5.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 1 h / -78 °C / Inert atmosphere
5.2: 0.5 h / -78 - 0 °C / Inert atmosphere
6.1: tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere
With
1H-imidazole; oxalyl dichloride; dimethyl sulfoxide; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide;
1.1: |Swern Oxidation / 2.1: |Grignard Reaction / 5.1: |Swern Oxidation / 6.1: |Grignard Reaction;
DOI:10.1002/ejoc.201400028
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: dimethylsulfide borane complex / tetrahydrofuran / 1.5 h / 20 °C / Inert atmosphere
1.2: 12 h / 0 - 20 °C
2.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 1 h / -78 °C / Inert atmosphere
2.2: 0.5 h / -78 - 0 °C / Inert atmosphere
3.1: tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere
4.1: 1H-imidazole / N,N-dimethyl-formamide / 1.5 h / 60 °C
5.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane; water / 2 h / Cooling with ice
6.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 1 h / -78 °C / Inert atmosphere
6.2: 0.5 h / -78 - 0 °C / Inert atmosphere
7.1: tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere
With
1H-imidazole; oxalyl dichloride; dimethylsulfide borane complex; dimethyl sulfoxide; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide;
2.1: |Swern Oxidation / 3.1: |Grignard Reaction / 6.1: |Swern Oxidation / 7.1: |Grignard Reaction;
DOI:10.1002/ejoc.201400028