Reactivity of trans-(CO)3Fe(Ph2Ppym)2 toward metal reagents: Synthesis and crystal structures of [HgCl(Ph2Ppym) (μ-Cl)]2, trans-[(Ph2Ppym)2Rh(CO)Cl]·0.5CH2Cl 2, [PdCl(μ-Ph2Ppym)]2·CH2Cl2,
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AbstractThe reaction of the neutral tridentate organometallic ligand trans-(CO)3Fe(Ph2Ppym)2 with Hg2(ClO4)2·xH2O, [(cod)RhCl]2, (cod)PdCl2, PdCl2 and Nd(SCN)3·xH2O has been studied. Five new complexes were prepared and fully characterized by single-crystal X-ray analysis: [HgCl(Ph2Ppym) (μ-Cl)]2 (1), space group P21/n with a=11.906(1), b=11.263(1), c=13.437(1) Å, β=91.75(1)° and Z=2; trans-[(Ph2Ppym)2Rh(CO)Cl]·0.5CH2Cl 2 (2), space group C2/c with a=12.009(1), b=14.536(1), c=19.093(1) Å, β=90.00(1)° and Z=4; [PdCl(μ-Ph2Ppym)]2·CH2Cl2 (3), space group P21/n with a=12.295(1), b=11.762(1), c=23.919(1) Å, β=90.00(1)° and Z=4; cis-[(Ph2Ppym)2PdCl2]·0.5CH 2Cl2 (4), space group P21/n with a=10.907(2), b=18.525(4), c=16.657(3) Å, β=106.92(3)° and Z=4; and cis-[Fe(NCS)2{Ph2P(O)pym}2] (5), space group P21/c with a=12.747(1), b=11.051(1), c=25.430(1) Å, β=103.30(1)° and Z=4. The results showed that (i) trans-(CO)3Fe(Ph2Ppym)2 is a strong reductant, and (ii) the Ph2Ppym moiety weakly coordinates to the Fe(0) atom and can easily be transferred to another metal atom when the organoiron ligand reacts with various metal reagents.
All Author(s) ListLi S.-L., Zhang Z.-Z., Wu B.-M., Mak T.C.W.
Journal nameInorganica Chimica Acta
Volume Number255
Issue Number2
PublisherElsevier BV
Place of PublicationNetherlands
Pages239 - 248
LanguagesEnglish-United Kingdom
KeywordsCrystal structures, Palladium(I) complexes, Phosphinopyrimidine complexes, Rhodium(I) complexes

Last updated on 2020-03-09 at 01:48