Y. Horiguchi et al., DIASTEREOSELECTIVE [3-PHENLTHIOCYCLOPROPYL KETONE WITH ENOL SILYL ETHERS - SYNTHESIS OF FUNCTIONALIZED CYCLOPENTANES(2] CYCLOADDITION OF METHYL 2), Tetrahedron letters, 34(38), 1993, pp. 6077-6080
Dimethylaluminum chloride-mediated [3 + 2] cycloaddition of methyl 2-p
henylthiocyclopropyl ketone and enol TBDPS or TIPS ethers proceeds hig
hly diastereoselectively to afford functionalized cyclopentanes in goo
d yields.