2-Trifluoroacetyl-1-methoxycycloalkenes: A convenient precursor for the synthesis of geminated polymethylene trifluoromethyl substituted heterocycles
作者:Helio Gauze Bonacorso、Michelle Budke Costa、Cleber André Cechinel、Ronan Carlo Sehnem、Marcos Antonio Pinto Martins、Nilo Zanatta
DOI:10.1002/jhet.66
日期:2009.3
simultaneous introduction of a trifluoromethyl group and a 7-, 8-, and 10-membered cycloalkane ring fused to heterocyclic derivatives. A series of 10 geminatedpolymethylenetrifluoromethylsubstituted isoxazolines, pyrazoles, pyrimidinones, and a pyrazolyl-quinoline were obtained in moderate to good yields from the reaction of three 2-trifluoroacetyl-1-methoxycycloalkenes derived from cycloheptanone