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

Cas No:

56-54-2