Now showing items 1-2 of 2

    • Castañeda Magliona, Fernando; Bunton, Clifford A.; Baggio, Ricardo; Garland, María Teresa (BLACKWELL PUBLISHING, 2007-01)
      Crystalline cyano-stabilized triphenylphosphonium ylids with keto or ester groups give rise to an extended electronic delocalization. In methyl 2-cyano-2-(trimethylphosphonio)-ethenoate, Ph3P=C(CN)CO2CH3 or C22H18NO2P, ...
    • Castañeda Magliona, Fernando; Terraza, C. A.; Bunton, Clifford A.; Gillitt, N. D.; Garland, María Teresa (TAYLOR & FRANCIS LTD, 2003-09)
      The stabilized phosphorus ylides, Ph3P=C(CO.R')CO.OR, 1, R=Et, R' =CH2P+Ph3; 2, R=R'=Me; 3, R=Et, R'=Me; 4, R=Pr-i; R'=Me, 5, R=Bu-t; R'=Me, adopt a near planar conformation in the crystal which allows extensive electronic ...