Squaramide-catalysed asymmetric Friedel–Crafts alkylation of naphthol and unsaturated pyrazolones.
DOI Number:
10.1039/D1OB00347J
Reaction Category:
RXNO ID:
RXNO_0000046
Educt:
unsaturated pyrazolones, naphthol
Product:
substituted 4-((2-hydroxynaphthalen-1-yl)methyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one
Catalyst:
3-[(8α,9S)-cinchonan-9-ylamino]-4-[(phenylmethyl)amino]-3-Cyclobutene-1,2-dione
Cas No:
1228363-03-8
Associated Product from Buchler GmbH:
Cinchonidine Base
Cas No:
485-71-2