Technology Process of 2-methyl-3,4-diphenyl-pyrrolidine-1-carboxylic acid tert-butyl ester
There total 10 articles about 2-methyl-3,4-diphenyl-pyrrolidine-1-carboxylic acid tert-butyl 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:
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: (-)-sparteine; n-BuLi / toluene; hexane / -78 °C
1.2: toluene; hexane / -78 °C
2.1: O3 / CH2Cl2 / 0.75 h / -78 °C
2.2: dimethyl sulfide / CH2Cl2 / -78 - 20 °C
3.1: 2-methyl-2-butene; aq. NaClO2; NaH2PO4 / 2-methyl-propan-2-ol / 0.17 h
4.1: HCl; aq. AcOH / diethyl ether / 72 h
5.1: H2 / Raney Ni / methanol / 72 h / 12929 Torr
6.1: LAH / tetrahydrofuran / Heating
7.1: CH2Cl2
8.1: sec-BuLi; (-)-sparteine / -78 - -25 °C
8.2: -78 - 20 °C
With
hydrogenchloride; sodium chlorite; sodium dihydrogenphosphate; lithium aluminium tetrahydride; n-butyllithium; 2-methyl-but-2-ene; hydrogen; sec.-butyllithium; ozone; acetic acid; (-)-sparteine;
nickel;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; toluene; tert-butyl alcohol;
DOI:10.1021/ja0271375
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: (-)-sparteine; n-BuLi / toluene; hexane / -78 °C
1.2: toluene; hexane / -78 °C
2.1: O3 / CH2Cl2 / 0.75 h / -78 °C
2.2: dimethyl sulfide / CH2Cl2 / -78 - 20 °C
3.1: 2-methyl-2-butene; aq. NaClO2; NaH2PO4 / 2-methyl-propan-2-ol / 0.17 h
4.1: HCl; aq. AcOH / diethyl ether / 72 h
5.1: H2 / Raney Ni / methanol / 72 h / 12929 Torr
6.1: LAH / tetrahydrofuran / Heating
7.1: CH2Cl2
8.1: sec-BuLi; (-)-sparteine / -78 - -25 °C
8.2: -78 - 20 °C
With
hydrogenchloride; sodium chlorite; sodium dihydrogenphosphate; lithium aluminium tetrahydride; n-butyllithium; 2-methyl-but-2-ene; hydrogen; sec.-butyllithium; ozone; acetic acid; (-)-sparteine;
nickel;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; toluene; tert-butyl alcohol;
DOI:10.1021/ja0271375
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: n-BuLi; (-)-sparteine / hexane; toluene / 1 h / -78 °C
1.2: toluene / 1.17 h / -78 °C
2.1: O3 / CH2Cl2 / 0.75 h / -78 °C
2.2: dimethyl sulfide / CH2Cl2 / -78 - 20 °C
3.1: 2-methyl-2-butene; aq. NaClO2; NaH2PO4 / 2-methyl-propan-2-ol / 0.17 h
4.1: HCl; aq. AcOH / diethyl ether / 72 h
5.1: H2 / Raney Ni / methanol / 72 h / 12929 Torr
6.1: LAH / tetrahydrofuran / Heating
7.1: CH2Cl2
8.1: sec-BuLi; (-)-sparteine / -78 - -25 °C
8.2: -78 - 20 °C
With
hydrogenchloride; sodium chlorite; sodium dihydrogenphosphate; lithium aluminium tetrahydride; n-butyllithium; 2-methyl-but-2-ene; hydrogen; sec.-butyllithium; ozone; acetic acid; (-)-sparteine;
nickel;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; toluene; tert-butyl alcohol;
DOI:10.1021/ja0271375