Asymmetric synthesis of 3,3′-pyrrolidinyl-dispirooxindoles via a one-pot organocatalytic Mannich/deprotection/aza-Michael sequence.
DOI Number:
10.1039/C5CC10057G
Reaction Category:
Educt:
tert-butyl (Z)-(2-oxoindolin-3-ylidene)carbamate, ethyl (E)-4-(2-oxoindolin-3-yl)but-2-enoate
Product:
3,3′-pyrrolidinyl-dispirooxindoles
Catalyst:
1,4-Bis(9-O-dihydroquinidinyl)phthalazine ((DHQD)2PHAL)
Cas No:
140853-10-7
Associated Product from Buchler GmbH:
1,4-Bis(9-O-dihydroquinidinyl)phthalazine ((DHQD)2PHAL)
Cas No:
140853-10-7