Chiral‐Squaramide‐Catalyzed Sulfa‐Michael/Aldol Cascade Reactions for Asymmetric Synthesis of Spirothiochromanones.
DOI Number:
10.1002/ajoc.201500171
Reaction Category:
RXNO ID:
RXNO_0000009
Educt:
substituted 2-methylene-2,3-dihydro-1H-inden-1-one, 2-mercaptobenzaldehyde
Product:
substituted (2S,4'R)-4'-hydroxyspiro[indene-2,3'-thiochroman]-1(3H)-one
Catalyst:
3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(9R)-6′-methoxycinchonan-9-yl]amino]-3-cyclobutene-1,2-dione
Cas No:
1256245-79-0
Associated Product from Buchler GmbH:
Quinidine Base
Cas No:
56-54-2