T. Suzuki et al., Catalytic asymmetric aldol reaction of ketones and aldehydes using chiral calcium alkoxides, TETRAHEDR L, 42(28), 2001, pp. 4669-4671
A chiral hydrobenzoin/Ca complex catalyzes tile reaction of acetophenone an
d aliphatic aldehydes to give the corresponding aldol products in up to 91%
ee. (C) 2001 Elsevier Science Ltd. All rights reserved.