1.
Chem Commun (Camb)
; (19): 1968-9, 2001 Oct 07.
Article
in English
| MEDLINE
| ID: mdl-12240243
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.