330961-77-8Relevant articles and documents
Enantio- and diastereoselective michael reactions of silyl enol ethers and chalcones by catalysis using a chiral quaternary ammonium salt
Zhang, Fu-Yao,Corey
, p. 639 - 641 (2001)
(Matrix presented) N-(9-Anthracenylmethyl)dihydrocinchonidinium bromide (1) is an effective catalyst for enantioselective Michael additions to chalcones, as shown in the above example, using toluene/50% aqueous KOH biphasic conditions at -20°C.