Preparation and oxygenation of cobalt N-confused porphyrin nitrosyl complexes

Chen Hsiung Hung, Chih Hsiung Peng, Yi Ling Shen, Sian Ling Wang, Chuan Hung Chuang, Man Lee Hon

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8 Citations (Scopus)

Abstract

The nitrosylation of Co(HCTPP) (1) in CH2Cl2 afforded [Co(CTPPC2H2Cl)(NO)] (2) with a chlorovinyl group substituent on the inner carbon atom of the N-confused porphyrin ring. The spectroscopic data suggest that 1 exhibits an {Co(NO)}8 electronic structure. The nitrosylation of 1 in the presence of oxygen leads to [Co(CTPPO)(NO)] (3), which is a {Co(NO)}7 cobalt nitrosyl complex. A bent axial Co-N-O conformation was observed in both nitric oxide complexes with an angle of 128.5(7)° for 2 and 146.9(11)° for 3. An sp3 hydride carbon atom was evidenced in the crystal structure of 2, and an η2 interaction between the cobalt center and the inner carbonyl group was observed.

Original languageEnglish
Pages (from-to)1196-1199
Number of pages4
JournalEuropean Journal of Inorganic Chemistry
Issue number8
DOIs
Publication statusPublished - 2008 Mar 1

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

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