28290-01-9Relevant articles and documents
Titanium(IV) chloride-mediated ring cleavage and Michael addition of 3,3-dialkylcyclobutanones and 3-[(trimethylsilyl)methyl]-cyclobutanones
Okuno, Ryosuke,Matsuo, Jun-Ichi,Ishibashi, Hiroyuki
experimental part, p. 793 - 797 (2012/08/07)
β′-Chloro and β′,γ′-unsaturated trichlorotitanium enolates, which were formed in situ by titanium(IV) chloride-mediated ring cleavage of 3,3-dialkylcyclobutanones and 3-[(trimethylsilyl)methyl]cyclobutanones, reacted with enones to give Michael adducts wi