Technology Process of *,R*)>-2-(2,2-dibromoethenyl)-1-(3,3,3-trifluoro-2-methoxy-1-oxo-2-phenylpropyl)pyrrolidine
There total 5 articles about *,R*)>-2-(2,2-dibromoethenyl)-1-(3,3,3-trifluoro-2-methoxy-1-oxo-2-phenylpropyl)pyrrolidine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 5 steps
1: BH3*SMe2 / tetrahydrofuran / 1.) 0 deg C, 2.) reflux, 1 h
2: pyridinium chlorochromate (PCC), acetic acid, 4A molecular sieves / H2O; CH2Cl2 / 2 h / Ambient temperature
3: triphenylphosphine / CH2Cl2 / 0 - 20 °C
4: trifluoroacetic acid / CH2Cl2 / 1.5 h / Ambient temperature
5: 0.53 g / pyridine / CH2Cl2 / 3 h
With
pyridine; dimethylsulfide borane complex; 4 A molecular sieve; acetic acid; triphenylphosphine; pyridinium chlorochromate; trifluoroacetic acid;
In
tetrahydrofuran; dichloromethane; water;
DOI:10.1021/jm00174a015
- Guidance literature:
-
Multi-step reaction with 4 steps
1: pyridinium chlorochromate (PCC), acetic acid, 4A molecular sieves / H2O; CH2Cl2 / 2 h / Ambient temperature
2: triphenylphosphine / CH2Cl2 / 0 - 20 °C
3: trifluoroacetic acid / CH2Cl2 / 1.5 h / Ambient temperature
4: 0.53 g / pyridine / CH2Cl2 / 3 h
With
pyridine; 4 A molecular sieve; acetic acid; triphenylphosphine; pyridinium chlorochromate; trifluoroacetic acid;
In
dichloromethane; water;
DOI:10.1021/jm00174a015
- Guidance literature:
-
Multi-step reaction with 3 steps
1: triphenylphosphine / CH2Cl2 / 0 - 20 °C
2: trifluoroacetic acid / CH2Cl2 / 1.5 h / Ambient temperature
3: 0.53 g / pyridine / CH2Cl2 / 3 h
With
pyridine; triphenylphosphine; trifluoroacetic acid;
In
dichloromethane;
DOI:10.1021/jm00174a015