Genaro Carrasco - AN EASY ENTRY TO ISOQUINOLINE ALKALOIDS BY AZA-WITTIG ELECTROCYCLIC RING-CLOSURE

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      Publication Details (including relevant citation   information):

      AN EASY ENTRY TO ISOQUINOLINE ALKALOIDS BY AZA-WITTIG   ELECTROCYCLIC

      RING-CLOSURE

      Genaro C. Leiva, Joana D.F. de Sousa and J.Augusto,R,Rodrigues*

      Universidade Estadual de Campinas. Instituto de Químca.   13.083-970,Campinas, Brazil.

      Tetrahedron Letters,vol.36,Nª1,59-62,1995.

      Abstract:

      The reaction of phenethyliminophosphorane with arylketenes gave   1-benzyl-3,4-dihydroisoquinolines in good yields. An aza-wittig   type reaction of vinyliminophosphorane with   p-toluenesulfonylisocyanate furnished 1-aminoisoquinoline   6 in high yield.

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