Squaramide-Catalyzed Asymmetric aza-Friedel–Crafts/N,O-Acetalization Domino Reactions Between 2-Naphthols and Pyrazolinone Ketimines.
DOI Number:
10.1002/anie.201709224
Reaction Category:
RXNO ID:
RXNO_0000369
Educt:
tert-butyl (Z)-(3-methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene)carbamate, 4-bromonaphthalen-1-ol
Product:
tert-butyl (S)-(4-(4-bromo-1-hydroxynaphthalen-2-yl)-3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)carbamate
Catalyst:
3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4- [[(8α,9S)-6′-methoxycinchonan-9-yl]amino]- 3-Cyclobutene-1,2-dione
Cas No:
1256245-84-7
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0