Cycloplatinated Complexes of Thiosemicarbazones. Synthesis and Crystal Structure of [Ph2PC6H4CHNNC(S)NHCH3PtCl]

Dongwon You, Sang Ook Kang, Jaejung Ko, Moonkeun Choi

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Abstract

The synthesis and characterization of the platinum heterocyclic carboxaldehyde thiosemicarbazone complexes [NC5H4CRNNC(S)NHR'PtCl] (R=H, R'=CH3(1); R=CH3, R'=CH3(2); R=CH3, R=H(3)) and diphenylphosph- inophenyl carboxaldehyde thiosemicarbazone complexes [Ph2PC6H4CHNNC(S)NHRPtCl] (R=CH3(5); R=iC3H7 (6); R=Ph(7)) are described. Compounds 1-3 were prepared by reaction of Pt(SEt2)2Cl2 with 2-acetylpyridine-4-alkylthiosemicarbazone in the presence of NEt3. Compounds 5-7 were prepared using Pt(SEt2)2Cl2 in toluene with diphenylphosphinophenyl carboxaldehyde alkylthiosemicarbazone. The compounds have been characterized by microanalysis, NMR (1H, 13C, 31P) spectroscopy, and single-crystal X-ray diffraction. X-ray single crystal diffraction analysis reveals that compound 5 is a mononuclear platinum compound with P,N,S-coordination mode.

Original languageEnglish
Pages (from-to)305-310
Number of pages6
JournalBulletin of the Korean Chemical Society
Volume18
Issue number3
Publication statusPublished - 1997 Dec 1

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All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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