WHEN a trace of maleic anhydride (I) is added at room temperature to a colourless solution of tri-phenylphosphine (P Ph 3) in chloroform or benzene (for example, 1 drop of 1 per cent maleic ...

Instituto de Fisica “Gleb Wataghin”, Universidade Estadual de Campinas, UNICAMP, P.O. Box 6165, 13083-859 Campinas, Sao Paulo, Brazil ...

Medicinal Chemistry Research Group, Drug Innovation Centre, HUN-REN Research Centre for Natural Sciences, Magyar tudósok krt. 2, Budapest 1117, Hungary Department of Inorganic and Analytical Chemistry ...