Abstract

A practicable method for the nitration of Malachite Green lactone at carbon atom C-6 yielding 3,3'-bis(dimethylaminophenyl)-6-nitrophthalide is presented. Reduction furnished the corresponding C-6 aminophthalide which served as starting material for a series of various N-monosubstituted derivatives. The amino group was also used to synthesize pyrroles, and via the correspondins azide, triazole and phosphazo derivatives.

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