Catalytic Enantioselective Formal Hetero‐Diels–Alder Reactions of Enones with Isatins to Give Spirooxindole Tetrahydropyranones.

DOI Number:

10.1002/chem.201300595

Reaction Category:

Educt:

indoline-2,3-dione, (E)-5-methylhex-3-en-2-one

Product:

(3S,6'S)-6'-isopropyl-5',6'-dihydrospiro[indoline-3,2'-pyran]-2,4'(3'H)-dione

Catalyst:

N,N′-Bis[3,5-bis(trifluoromethyl)phenyl]thiourea, N-[(1,1-dimethylethoxy)carbonyl]-O-(1,1-dimethylethyl)-L-Threonine, (8α,9S)-Cinchonan-9-amine

Cas No:

850409-61-9

Cas No:

485-71-2