Square planar complexes of nickel(II), palladium(II) and platinum(II) with 1-(2-hydroxyphenyl)-3,5-diphenylformazan |
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Authors: | Sijbe Bait Jan Meuldijk Willem E Renkema |
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Institution: | (1) Department of Inorganic Chemistry of the Free University, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands |
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Abstract: | Summary A novel series of formazan complexes of general formula FoML H2Fo = 1-(2-hydroxyphenyl)-3,5-diphenylformazan; M = NiII, PdII or PtII; L = NH3, py and Ph3P] are described. The formazan nickel(II) system shows linkage isomerism; one isomer, A, contains an unusual five-membered formazan chelate ring, whereas the other, isomer B, has the usual six-membered ring.13C n.m.r., u.v. and i.r. spectra are presented and interpreted. From these the palladium and platinum complexes appear to contain the six-membered ring of the B type isomer. |
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