Synthesis of 2-Phenyl-3-oxa-5-azatricyclo[4.4.0.02,7]decan-4-one
摘要:
Cleavage of the lactone ring in 7-phenylbicyclo[3.1.1]heptan-6,7-carbolactone by the action of ammonia and hydrazine and subsequent oxidative cyclization of the resulting hydroxy amide and hydroxy hydrazide gave a cyclic carbamate, 3-oxa-5-azatricyclo[4.4.0.0(2,7)]decan-4-one.
Electrophile-Initiated Lactonization of 7-Phenytricyclo[4.1.0.02,7]heptane-1-carboxylic Acid
摘要:
Treatment of 7-phenyltricyclo[4.1.0.0(2,7)]heptane-1-carboxylic acid with benzenesulfenyl chloride, mercury acetate, and hydrogen chloride leads to cleavage of the central C-C bond in the bicyclobutane fragment and heterocyclization to substituted bicyclo[3.1.1]heptane-6,7-carbolactones.