Green enantioselective method for asymmetric alkylation of pyrazolones by phase transfer catalysis.
DOI Number:
Patent Number CN118851847
Reaction Category:
MOP ID:
MOP_0000369
Educt:
pyrazolones, propargyl bromide
Product:
(S)-4-benzyl-2,5-diphenyl-4-(prop-2-yn-1-yl)-2,4-dihydro-3H-pyrazol-3-one
Catalyst:
(1S,2R,4S,5R)-2-((S)-hydroxy(6-methoxyquinolin-4-yl)methyl)-1-(2-(((4-methoxyphenyl)diphenylmethyl)amino)-2-oxoethyl)-5-vinylquinuclidin-1-ium bromide
Cas No:
3055566-39-4
Associated Product from Buchler GmbH:
Quinidine Base
Cas No:
56-54-2