T. Takeda et al., TITANOCENE(II)-PROMOTED REACTION OF THIOACETALS WITH ALKYNES - HIGHLYSTEREOSELECTIVE PREPARATION OF CONJUGATED DIENES, Chemical communications, (11), 1997, pp. 1055-1056
The reaction of organotitanium species, prepared by the desulfurizativ
e titanation of thioacetals using (C5H5)(2)Ti- [P(OEt)(3)](2), with al
kynes gives conjugated dienes in good yields with high stereoselectivi
ty.