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

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    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
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