title: A novel route to substituted 4-methylene-4,5-dihydroisoxazoles mediated by hafnium(IV) chloride.
abstract: Heating alkyl vinyl ketones and N-tert-butylarylmethylideneamine N-oxides in the presence of HfCl4 results in the formation of 4-methylene-4,5-dihydroisoxazoles in good yield.
authors.affiliation: Pfizer Global Research & Development (UK), Sandwich, Kent, UK CT13 9NJ.
authors.forename: P J
authors.initials: PJ
authors.lastname: Dunn
authors.forename: A B
authors.initials: AB
authors.lastname: Graham
authors.forename: R
authors.initials: R
authors.lastname: Grigg
authors.forename: P
authors.initials: P
authors.lastname: Higginson
authors.forename: V
authors.initials: V
authors.lastname: Sridharan
authors.forename: M
authors.initials: M
authors.lastname: Thornton-Pett