Synthesis of functionalized azadienes from aminobenzothiazole,acetylenic esters and isocyanides

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The reaction between 2-aminobenzothiazole with dialkyl acetylenedicarboxylates in the presence of isocyanides,leads to functionalized azadienes in good yields. The reaction between 2-aminobenzothiazole with dialkyl acetylenedicarboxylates in the presence of isocyanides, leads to functionalized azadienes in good yields.
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