Th. Yan et al., NON-EVANS SYN ALDOL VIA ALDOLIZATION OF CHLOROTITANIUM ENOLATE WITH TICL4 ALDEHYDE COMPLEX/, Tetrahedron letters, 34(22), 1993, pp. 3559-3562
Direct aldolizations of chlorotitanium enolate derived from camphor-ba
sed oxazolidinethione with 1:1 TiCl4-aldehyde complex give ''non-Evans
'' syn aldol with excellent diastereoselectivity.