摘要 : The product of the reaction between tetramethylthiourea (tmtu) and cis-Pt~(II)(phos)_2 moieties (phos = PPh_3,or 1/2 dppe) depends on the anionic species present.With NO_3~-,CF_3CO_2~-,CF_3SO_3~- and BF_4~-,the cyclometallate cati... 展开 The product of the reaction between tetramethylthiourea (tmtu) and cis-Pt~(II)(phos)_2 moieties (phos = PPh_3,or 1/2 dppe) depends on the anionic species present.With NO_3~-,CF_3CO_2~-,CF_3SO_3~- and BF_4~-,the cyclometallate cationic complex [Pt(phos)_2(tmtu*-C,S)]~+ is obtained (tmtu* is tmtu deproton-ated at one methyl group).The acetato and malonato complexes are inactive towards such deprotonation,but,in the presence of water,promote tmtu hydrolysis with formation of N-dimethylmonothiocarbamato (mtc) complexes in which mtc is S-coordinated.cis-[Pt(PPh_3)_2(mtc)_2] isomerises slowly to the trans isomer,whose crystal structure is reported. 收起