Diphenylcyclopropenone^1,2

Reactions of Huisgen Zwitterions with Diphenyl Cyclopropenone: A Novel Strategy for the Synthesis of Oxazinone Derivatives

“…However, we have employed the utility of Huisgen zwitterion for the synthesis of various oxazinones (1)(2)(3)(4)(5)(6)(7)(8)(9)(10).…”

“…Diphenyl cyclopropenone was prepared by employing known procedures [9]. 3,3′-Dinitrodiphenyl cyclopropenone and 3,3′-dibromodiphenyl cyclopropenone were obtained from diphenylcyclopropenone by aromatic electrophilic substitution reactions [10,11].…”

Reatividade de ciclopropenonas frente a nucleófilos e sua correlação com potenciais de redução em meio aprótico

“…16 Apesar de haver relato da síntese de 1a e 1b por este método, inexiste a descrição dos detalhes experimentais, rendimento e dados físicos para a isopropilfenilciclopropenona 1c. 17 Dessa forma, empregamos aqui a rota apresentada no Esquema 1, onde a benzil-isobutilcetona 9 necessária à síntese de 1c foi preparada como descrito na literatura, 18 empregando-se o organocádmio preparado in situ pela transmetalação do brometo de isobutilmagnésio (gerado in situ a partir do brometo de isobutila 8), e reação deste com o cloreto de fenilacetila 7.…”

Reaction of diphenylcyclopropenone with N-acylamidine derivatives. Synthetic and mechanistic implications

“…HRMS were obtained on a Fisions VG Autospec. N-benzoylacetamidine 8 , N-(methoxycarbonyl)benzamidine 9 and diphenylcyclopropenone 10 were prepared according to known procedures.…”