Tertiary amine-catalyzed chemoselective and asymmetric [3+2] annulation of morita–baylis–hillman carbonates of isatins with propargyl sulfones.
DOI Number:
10.1021/ol201776h
Reaction Category:
Educt:
oxindoles, sulfones
Product:
substituted methyl (S)-2-methyl-2'-oxo-3-(phenylsulfonyl)spiro[cyclopentane-1,3'-indoline]-2,4-diene-5-carboxylate
Catalyst:
(3α,9S)-3,9-epoxy-10,11-dihydro-6′-(methoxymethoxy)-cinchonan
Cas No:
1321139-65-4
Associated Product from Buchler GmbH:
Dihydrocupreidine Base
Cas No:
73522-75-5