Synthesis and Structure of Palladium(II) Complexes with N(21),N(22)-Bridged Porphyrin Ligands

Bulletin of the Chemical Society of Japan

Volumn 71, Issue 6, 1998, Pages 1327-1335

  Takao, Yuko ^a   Takeda, Tokuji ^a   Miyashita, Keiko ^b   Setsune, Jun Ichiro ^a,b  

^a OSAKA MUNICIPAL TECHNICAL RESEARCH INSTITUTE   (Japan)

^b KOBE UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0013410308     PISSN: 00092673     EISSN: None     Source Type: Journal    
DOI: 10.1246/bcsj.71.1327     Document Type: Article

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26. 3: δ =9.26, 9.10, 8.85, 8.73 (d×4, 2H×4, pyrrole-β-H), 8.49-7.08 (m, 20H, phenyl-H), 6.31 (t, 2H, bridge phenyl-p-H), 5.91 (t, 4H, bridge phenyl m-H), 2.6 (br, 4H, bridge phenyl o-H), 2.63 (s, 1H, OH)). A 1H-singlet at 2.63 ppm may be assigned to the coordinated OH proton in the counter anion. The largest mass peak in the FAB MS spectrum of Ia′ is 791 which corresponds to the porphyrin cation. We have confirmed that the isolated initial product Ia′ is converted into the dinuclear Pd complex 3a′ and that this transformation does not occur by way of the mononuclear Pd complex 4a′. Thus, we would like to propose the stepwise pathway for the ligation.
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