BIS(BENZOTRIAZOL-1-YL) METHYLIMINE AS A NOVEL CYANATING AGENT FOR LABILE BETA-DIKETONATES

Bis(benzotriazol-1-yl) methylimine was used as a novel electrophilic c yanating agent for labile beta-diketonates (M = Cu-II, Ni-II, Co-II, Z n-II and Cd-II). The actual cyanating species was 1-cyanobenzotriazole formed in situ with the elimination of benzotriazole. The labile meta l-oxygen bond in the chelates possibly induced debenzotriazolation. Th e inert and less labile beta-diketonates did not undergo this reaction . The final product of the reaction, however, was the mixed-ligand com plex of cyano-beta-diketone and benzotriazole, identified by spectral and analytical methods. Copyright (C) 1996 Elsevier Science Ltd