Catalytic asymmetric and divergent synthesis of tricyclic and tetracyclic spirooxindoles: Controllable site-selective electrophilic halocyclization of 1,6-enynes.
DOI Number:
10.1021/acs.orglett.9b02202
Reaction Category:
MOP ID:
MOP_0000369
Educt:
N-protected 3-allylindolin-2-one, N-protected 1-ethoxy-3-phenylprop-2-yn-1-amine
Product:
pyrazoles
Catalyst:
N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea
Cas No:
852913-16-7
Associated Product from Buchler GmbH:
N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea
Cas No:
852913-16-7