• RAJU SINGHA

      Articles written in Journal of Chemical Sciences

    • Conceptual approach to the synthesis of symmetrical 1,3-diynes from b-bromo vinyl carboxylic acids

      RAJU SINGHA

      More Details Abstract Fulltext PDF

      A conceptual route has been developed for the synthesis of 1,3-diyne from b-bromo vinyl carboxylic acids. The reaction of the b-bromo vinyl carboxylic acid with palladium catalyst is conceptually similar to the decomposition of 2-diazoniumbenzoic acid to benzyne. In the presence of palladium catalyst,the b-bromo vinyl carboxylic acid undergoes a fragmentation to generate terminal alkyne. The terminal alkyne undergoes dimerisation in the presence of palladium catalysts to produce the product 1,3-diyne.

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