Communication
Org. Biomol. Chem., 2005, 3, 2914 - 2916, DOI: 10.1039/b508820h
Titanocene(II)-promoted carbonyl allenation utilizing 1,1-dichloroalk-1-enes
Tomohiro Shono, Kenji Ito, Akira Tsubouchi and Takeshi Takeda
Treatment of 1,1-dichloroalk-1-enes with Cp2Ti[P(OEt)3]2 produced organotitanium species, which afford allenes on treatment with aldehydes and ketones.

