INTRAMOLECULAR HYDROGEN-BOND CONTROLLED UNIDENTATE COORDINATION OF POTENTIALLY CHELATING N-ACYL-N'-ALKYLTHIOUREAS - CRYSTAL-STRUCTURE OF CIS-BIS(N-BENZOYL-N'-PROPYLTHIOUREA)DICHLOROPLATINUM(II)

The crystal and molecular structure of cis-bis(N-benzoyl-N'-propylthiourea)dichloroplatinum(II) shows that two N-benzoyl-N'-propylthiourea molecules co-ordinate to Pt(II) through the sulfur atom only, the acyl oxygen atom being effectively blocked from co-ordination by an intramolecular hydrogen bond, in contrast to the chelating N-benzoyl-N',N'-dialkylthiourea analogues.