Issue 0, 1970

Some bis-π-cyclopentadienylmolybdenum amino-acid derivatives and related compounds

Abstract

The amino-acid complexes [Mo(π-C5H5)2(NH2RCHRCO2)]+X(X = Cl or PF6) are described; the amino-acid residues are derived from glycine, alanine, phenylalanine, valine, leucine, isoleucine, proline, methionine, sarcosine, and N-methylalanine, and are bound to the molybdenum by oxygen and nitrogen. Cysteine forms the two derivatives [Mo(π-C5H5)2NH2·CH(CO2H)·CH2S]+X and [{Mo(π-C5H5)2NH2·CH(CO2)·CH2S}2H]+ PF6 and is bound to the metal by sulphur and nitrogen. The α-C hydrogen atoms of all the complexes except that with proline, readily exchange with 2H2O in mild base. Factors affecting the α-CH labilisation are discussed. The exchange properties of related complexes [Mo(π-C5H5)2(O2C·CH2S)], and [Mo(π-C5H5)2(NH2·CH2·CH2·-NH2)]2+X22– have been determined.

Article information

Article type
Paper

J. Chem. Soc. A, 1970, 2315-2319

Some bis-π-cyclopentadienylmolybdenum amino-acid derivatives and related compounds

E. S. Gore and M. L. H. Green, J. Chem. Soc. A, 1970, 2315 DOI: 10.1039/J19700002315

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