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Title: Perchlorate reduction to chloride by the dimolybdenum(II) core: Making a case for molybdenum cofactor in the perchlorate reductase enzyme
Authors: Majumdar, Moumita
Bera, Jitendra K
Keywords: Bioinorganic chemistry;Perchlorate reduction;Ligand transfer reactions;Molybdenum cofactor;Dimolybdenum;Oxomolybdenum;Copper
Issue Date: Mar-2011
Publisher: NISCAIR-CSIR, India
Abstract: Ligand-transfer reaction from the quadruply bonded complex cis-[Mo2(pzNP)2(OAc)2][BF4]2 (1) (pzNP = 2-(2-pyrazinyl)- 1,8-naphthyridine) to non-bonded dicopper(I) core proceeds with the concomitant oxidation of the [Mo2]4+ core by the perchlorate anion, resulting in the [Cu2( -Cl)(pzNP)2][ClO4] (2) and oxo-molybdenum species. X-ray analysis of (2) shows the presence of a chloride anion bridging the two Cu(I) atoms. The chloride originates from the quantitative reduction of one perchlorate anion by the electron-rich dimolybdenum(II) species, mimicking the functional role of molybolenum cofactor in the perchlorate reducing bacteria.
Page(s): 409-413
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.50A(03-04) [March-April 2011]

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