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Transition metal chemistry of phosphorus based ligands. Ruthenium(II) chemistry of bis(phosphino)amines, X2PN(R)PX2 (R = H or Ph, X = Ph; R = Ph, X-2 = O2C6H4)

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Title Transition metal chemistry of phosphorus based ligands. Ruthenium(II) chemistry of bis(phosphino)amines, X2PN(R)PX2 (R = H or Ph, X = Ph; R = Ph, X-2 = O2C6H4)
 
Creator BALAKRISHNA, MS
RAMASWAMY, K
ABHYANKAR, RM
 
Subject cyclopentadienyl-osmium chemistry
c-h
monooxidized bis(phosphino)amines
platinum(ii) complexes
bonds
activation
rhodium(i)
crystal
bis(dimethylphosphino)methane
cyclometalation
bis(phosphino)amines
mononuclear
ruthenium(ii) complexes
cationic
monodentate
bidentate
 
Description Reactions of CpRuCl(PPh3)(2) with bis(phosphino)amines, X2PN(R)PX2 (1 R = H, X = Ph; 2 R = X = Ph; 3 R = Ph, X-2 = O2C6H4) give neutral or cationic mononuclear complexes depending on the reaction conditions. Reaction of 1 with CpRuCl(PPh3)(2) gives one neutral complex, [CpRu(Cl)(eta(2)-Ph2PN(H)PPh2)] (4) and two cationic complexes, [CpRu(eta(2)-Ph2PN(H)PPh2)(eta(1)-Ph2PN(H)PPh2)]Cl (5) and [CpRu(PPh3)(eta(2)-Ph2PN(H)PPh2)]Cl (6), whereas the reaction of 2 with CpRuCl(PPh3)(2) leads only to the isolation of cationic complex, [CpRu(PPh3)(eta(2)-Ph2PN(Ph)PPh2)]Cl (7). The catechol derivative 3, in a similar reaction, affords an interesting mononuclear complex [CpRu(PPh3){eta(1)-(C4H4O2)PN(Ph)P(O2H4C6)}(2)]Cl (8) containing two monodentate bis(phosphino)amine ligands. The structural elucidation of the complexes was carried out by elemental analyses, IR and NMR spectroscopic data. (C) 1998 Elsevier Science S.A. .
 
Publisher ELSEVIER SCIENCE SA
 
Date 2011-07-29T01:42:59Z
2011-12-26T12:47:41Z
2011-12-27T05:38:34Z
2011-07-29T01:42:59Z
2011-12-26T12:47:41Z
2011-12-27T05:38:34Z
1998
 
Type Article
 
Identifier JOURNAL OF ORGANOMETALLIC CHEMISTRY, 560(1-2), 131-136
0022-328X
http://dx.doi.org/10.1016/S0022-328X(98)00464-1
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7546
http://hdl.handle.net/10054/7546
 
Language en