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Casas JM, Falvello LR, Forniés J, et al. Syntheses and Structures of the Complexes cis-[M(C(6)F(5))(2)(N&arcraise;X)] (M = Pd, Pt; N&arcraise;X = 2-Iodoaniline, 2-Benzoylpyridine) Containing N&arcraise;X Acting as a Didentate Chelating Ligand and Displaying I-->M or O-->M Interactions. Inorg Chem. 1996;35(1):56-62doi: 10.1021/ic950283+.
Casas, J. M., Falvello, L. R., Forniés, J., & Martín, A. (1996). Syntheses and Structures of the Complexes cis-[M(C(6)F(5))(2)(N&arcraise;X)] (M = Pd, Pt; N&arcraise;X = 2-Iodoaniline, 2-Benzoylpyridine) Containing N&arcraise;X Acting as a Didentate Chelating Ligand and Displaying I-->M or O-->M Interactions. Inorganic chemistry, 35(1), 56-62. https://doi.org/10.1021/ic950283+
Casas, José María, et al. "Syntheses and Structures of the Complexes cis-[M(C(6)F(5))(2)(N&arcraise;X)] (M = Pd, Pt; N&arcraise;X = 2-Iodoaniline, 2-Benzoylpyridine) Containing N&arcraise;X Acting as a Didentate Chelating Ligand and Displaying I-->M or O-->M Interactions." Inorganic chemistry vol. 35,1 (1996): 56-62. doi: https://doi.org/10.1021/ic950283+
Casas JM, Falvello LR, Forniés J, Martín A. Syntheses and Structures of the Complexes cis-[M(C(6)F(5))(2)(N&arcraise;X)] (M = Pd, Pt; N&arcraise;X = 2-Iodoaniline, 2-Benzoylpyridine) Containing N&arcraise;X Acting as a Didentate Chelating Ligand and Displaying I-->M or O-->M Interactions. Inorg Chem. 1996 Jan 03;35(1):56-62. doi: 10.1021/ic950283+. PMID: 11666164.
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Inorg Chem. 1996 Jan 03;35(1):56-62. doi: 10.1021/ic950283+.

Syntheses and Structures of the Complexes cis-[M(C(6)F(5))(2)(N&arcraise;X)] (M = Pd, Pt; N&arcraise;X = 2-Iodoaniline, 2-Benzoylpyridine) Containing N&arcraise;X Acting as a Didentate Chelating Ligand and Displaying I-->M or O-->M Interactions.

Inorganic chemistry

José María Casas, Larry R. Falvello, Juan Forniés, Antonio Martín

Affiliations

  1. Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-C.S.I.C. 50009 Zaragoza, Spain.

PMID: 11666164 DOI: 10.1021/ic950283+

Abstract

Complexes cis-[M(C(6)F(5))(2)(THF)(2)] (M = Pd, Pt) are weak Lewis acids and react with the halocarbon ligand 2-iodoaniline (R-I) yielding the corresponding cis-[M(C(6)F(5))(2)(R-I)] [M = Pd (1), Pt (2)]. In these complexes a (C-)I-M bond is present. The use of other 2-haloanilines (halogen = F, Cl, Br) does not yield the analogous complexes because of the lesser nucleophilic character of the halogen involved. The presence of the (C-)I-Pt bond in 2 has been confirmed by an X-ray structure determination, which also reveals an N-H.M hydrogen bond between two neutral molecules. Complex 2 crystallizes in the space group P&onemacr;: Z = 4; a = 11.797(4) Å; b = 13.735(4) Å; c = 14.107(4) Å; alpha = 97.24(2) degrees; beta = 90.91(2) degrees; gamma = 99.44(2) degrees; V = 2235(2) Å(3). Similarly, complexes cis-[M(C(6)X(5))(2)(THF)(2)] (M = Pd, Pt; X = F, Cl) react with the ligand 2-benzoylpyridine {R-C(O)Ph}, in which the oxygen atom of the ketonic group can behave as a nucleophilic center, yielding the complexes cis-[M(C(6)X(5))(2){R-C(O)Ph}] [M = Pd, X = F (3); M = Pt, X = F (4), Cl (5)]. Complex 3 crystallizes in the space group C2/c: Z = 16; a = 26.284(3) Å; b = 10.623(1) Å; c = 31.423(4) Å; beta = 93.15(1) degrees; V = 8760(2) Å(3). The I-M or O-M bonds in complexes 1-5 are weak and can be easily broken by the addition of neutral (CO, PPh(3), and CH(3)CN) or anionic (Br(-)) ligands.

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