3‑Amino Oxindole Schiff Base Efficiently Paired with p‑Quinone Methide to Enable a New Diastereoselective and Enantioselective 1, 6-Conjugated Addition in the Presence of a Cinchonidinium Phase Transfer Catalyst.
DOI Number:
10.1016/j.tetlet.2024.155262
Reaction Category:
MOP ID:
MOP_0000369
Educt:
substituted 3-((diphenylmethylene)amino)indolin-2-one, substituted 4-benzylidene-2,6-di-tert-butylcyclohexa-2,5-dien-1-one
Product:
substituted (R)-3-((R)-(3,5-di-tert-butyl-4-hydroxyphenyl)(phenyl)methyl)-3-((diphenylmethylene)amino)indolin-2-one
Catalyst:
(8α,9R)-1-(9-anthracenylmethyl)-9-(2-propenyloxy)-Cinchonanium bromide
Cas No:
200132-54-3
Associated Product from Buchler GmbH:
Cinchonidine Base
Cas No:
485-71-2