THE SYNTHESIS, MOLECULAR AND CRYSTAL-STRUCTURE OF THE 1 1-ADDUCT OF TRIPHENYLTIN CHLORIDE WITH 2,3-DIPTRENYLTHIAZOLIDIN-4-ONE/

The title compound was synthesized as part of an effort to produce a m ore effective fungicide to combat Dutch Elm Disease (DED), which is ca used by the fungus Ceratocystis ulmi. A full X-ray structural analysis of the 1:1 adduct has been carried out and the results are reported a long with the Mossbauer data for the compound. The crystals are monocl inic, space group P2(1)/a with a = 19.240(3) Angstrom, b = 9.1463(24) Angstrom, c = 19.3512(24) Angstrom, beta = 118.874(8)degrees, V = 2982 .0(10) Angstrom(3), z = 4, and D-calc = 1.427 Mg m(-3). The final disc repancy factors are R(F) = 0.056 and R(w) = 0.058 for 1915 significant reflections. The QS and IS values in the Mossbauer spectrum of the co mplex are 3.08 mm s(-1) and 1.28 mm s(-1), respectively. The 2,3-diphe nylthiazolidin-4-one behaves as a monodentate ligand and coordinates t o the tin through the oxygen atom. The complex exhibits a trigonal bip yramidal configuration with the three phenyl groups in equatorial posi tions and the chloride and ligand oxygen occupying the apical sites.