Efficient synthetic methods for 1, 3-di-O-benzyldihydroxyacetone (3) and 1, 3-O- cyclohexylidenedihydroxyacetone (8) were developed. TiCl4-mediated aldol reaction of the silyl enol ether of 3 with aldehydes gave syn aldol products while the reaction of the silyl
[Walker, Louise F.; Bourghida, Ahmed; Connolly, Stephen; Wills, Martin Journal of the Chemical Society. Perkin Transactions 1, 2002 , # 7 p. 965 - 981]