Technology Process of (3R,4R)-4-(4-chlorostyryl)-3-methyl-3-(prop-1-en-2-yl)-1-tosylpyrrolidine
There total 5 articles about (3R,4R)-4-(4-chlorostyryl)-3-methyl-3-(prop-1-en-2-yl)-1-tosylpyrrolidine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
chlorobis(cyclooctene)rhodium(I) dimer; silver trifluoromethanesulfonate; (S)-(+)-(3,5-dioxa-4-phosphacyclohepta[2,1-a:3,4-a']dinaphthalen-4-yl)diethylamine;
In
1,2-dimethoxyethane;
at 80 ℃;
for 11h;
optical yield given as %ee;
enantioselective reaction;
Inert atmosphere;
DOI:10.1002/anie.201005215
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: trifluoroacetic acid / dichloromethane / 20 °C / Inert atmosphere
2.1: sodium hydride / N,N-dimethyl-formamide / 0.25 h / 0 - 20 °C / Inert atmosphere
2.2: 1.5 h / 20 °C / Inert atmosphere
3.1: chlorobis(cyclooctene)rhodium(I) dimer; silver trifluoromethanesulfonate; (S)-(+)-(3,5-dioxa-4-phosphacyclohepta[2,1-a:3,4-a']dinaphthalen-4-yl)diethylamine / 1,2-dimethoxyethane / 11 h / 80 °C / Inert atmosphere
With
chlorobis(cyclooctene)rhodium(I) dimer; silver trifluoromethanesulfonate; sodium hydride; trifluoroacetic acid; (S)-(+)-(3,5-dioxa-4-phosphacyclohepta[2,1-a:3,4-a']dinaphthalen-4-yl)diethylamine;
In
1,2-dimethoxyethane; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/anie.201005215
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: triphenylphosphine; diethylazodicarboxylate / tetrahydrofuran / 3 h / Inert atmosphere
2.1: trifluoroacetic acid / dichloromethane / 20 °C / Inert atmosphere
3.1: sodium hydride / N,N-dimethyl-formamide / 0.25 h / 0 - 20 °C / Inert atmosphere
3.2: 1.5 h / 20 °C / Inert atmosphere
4.1: chlorobis(cyclooctene)rhodium(I) dimer; silver trifluoromethanesulfonate; (S)-(+)-(3,5-dioxa-4-phosphacyclohepta[2,1-a:3,4-a']dinaphthalen-4-yl)diethylamine / 1,2-dimethoxyethane / 11 h / 80 °C / Inert atmosphere
With
chlorobis(cyclooctene)rhodium(I) dimer; silver trifluoromethanesulfonate; sodium hydride; triphenylphosphine; trifluoroacetic acid; (S)-(+)-(3,5-dioxa-4-phosphacyclohepta[2,1-a:3,4-a']dinaphthalen-4-yl)diethylamine; diethylazodicarboxylate;
In
tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/anie.201005215