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- W2012256414 abstract "Abstract New η 2 -isopropyl–acyl complexes of formula Mo(η 2 -C(O)CHMe 2 )(L)(CO)(PMe 3 ) 2 (L=S 2 CNC 4 H 4 , H 2 B(pz) 2 ; pz=1-pyrazolyl) have been prepared from the reaction of an excess of KH with Mo(η 2 -C(O)CH 3 )(L)(CO)(PMe 3 ) 2 and subsequent addition of an excess of MeI. At ambient temperature, solutions of the isopropyl–acyl derivatives gradually evolve to the hydrides MoH(L)(CO) 2 (PMe 3 ) 2 and propene. The η 2 -acyls Mo(η 2 -C(O)Me)(L)(CO)(PMe 3 ) 2 complexes (L=H 2 B(pz) 2 , Bp; H 2 B(3,5-Me 2 pz) 2 , Bp Me 2 ) as well as the related derivatives of dithioacid ligands, Mo(C(O)Me)(L)(CO)(PMe 3 ) 2 (L=Me 2 NCS 2 , i -PrOCS 2 ) react with the chelating phosphines R 2 PCH 2 CH 2 PR 2 (R=Me, dmpe; Et, depe) with replacement of the two PMe 3 by the bidentate diphosphine. A similar substitution is observed in the reaction of Mo(η 2 -C(O)Me)Cl(CO)(PMe 3 ) 3 with depe, whereas in this case dmpe gives a mixture of Mo(η 2 -C(O)Me)Cl(CO)(dmpe)(PMe 3 ) and the cationic complex [Mo(η 2 -C(O)Me)(CO)(dmpe) 2 ]Cl." @default.
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- W2012256414 date "1999-06-01" @default.
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- W2012256414 title "Reactivity studies of η2-acyl complexes of molybdenum: reactions with strong bases and with bidentate phosphines" @default.
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- W2012256414 doi "https://doi.org/10.1016/s0022-328x(98)01177-2" @default.
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