33 research outputs found
Reaction of benzonitrilium N-phenylimide with (<i style="mso-bidi-font-style:normal">Z</i>)- 4-arylmethyleneimidazol-5(4<i>H</i>)-ones
187-190The title reaction, when carried out in chloroform
in the presence of triethylamine, yields the spirocycloadducts 5 which upon
treatment with a base affords 1,3,4-triaryl-5 -pyrazolecarboxamides 12