Technology Process of (3aR,8S,9R,9aR,9bS)-8-(2-Benzyloxy-ethyl)-2,2-dimethyl-octahydro-[1,3]dioxolo[4,5-a]indolizin-9-ol
There total 10 articles about (3aR,8S,9R,9aR,9bS)-8-(2-Benzyloxy-ethyl)-2,2-dimethyl-octahydro-[1,3]dioxolo[4,5-a]indolizin-9-ol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: DIBAL-H
2.1: Red-Al
3.1: imidazole
4.1: EtCO2H / toluene / Heating
5.1: n-Bu4NF / tetrahydrofuran
6.1: 87 percent / HN3; PPh3; EtO2CN=NCO2Et / benzene
7.1: 84 percent / m-CPBA / CH2Cl2
8.1: H2 / Pd(OH)2/C / methanol; ethyl acetate
8.2: 68 percent / NaOMe / methanol / Heating
9.1: 76 percent / BH3*SMe2
With
1H-imidazole; tris-(2-chloro-ethyl)-amine; dimethylsulfide borane complex; tetrabutyl ammonium fluoride; hydrogen; diisobutylaluminium hydride; propionic acid; 3-chloro-benzenecarboperoxoic acid; triphenylphosphine; sodium bis(2-methoxyethoxy)aluminium dihydride; diethylazodicarboxylate;
palladium dihydroxide;
In
tetrahydrofuran; methanol; dichloromethane; ethyl acetate; toluene; benzene;
5.1: Claisen rearrangement;
DOI:10.1016/S0040-4039(01)01778-6
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: Red-Al
2.1: imidazole
3.1: EtCO2H / toluene / Heating
4.1: n-Bu4NF / tetrahydrofuran
5.1: 87 percent / HN3; PPh3; EtO2CN=NCO2Et / benzene
6.1: 84 percent / m-CPBA / CH2Cl2
7.1: H2 / Pd(OH)2/C / methanol; ethyl acetate
7.2: 68 percent / NaOMe / methanol / Heating
8.1: 76 percent / BH3*SMe2
With
1H-imidazole; tris-(2-chloro-ethyl)-amine; dimethylsulfide borane complex; tetrabutyl ammonium fluoride; hydrogen; propionic acid; 3-chloro-benzenecarboperoxoic acid; triphenylphosphine; sodium bis(2-methoxyethoxy)aluminium dihydride; diethylazodicarboxylate;
palladium dihydroxide;
In
tetrahydrofuran; methanol; dichloromethane; ethyl acetate; toluene; benzene;
4.1: Claisen rearrangement;
DOI:10.1016/S0040-4039(01)01778-6