Download Comprehensive Organometallic Chemistry 3ed Vol 06 Grp 8 by D M P Mingos; Robert H Crabtree PDF

By D M P Mingos; Robert H Crabtree

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By D M P Mingos; Robert H Crabtree

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In this way, the complexes (OC)4FeL with L ¼ Me2PCH2B(OMe)2, Me2PCH2B(NMe2)Cl, Me2PCH2B(NMe2)2(NHMe2), Me2PCH2B(NMe2)2(NHMe2), Me2PCH2BCl2(NHMe2), and Me2PCH2BH2(2,4,6-C5H2N), as well as the anionic complex Li[Fe(CO)4Me2PCH2BH3], were prepared. Photolysis of (OC)4Fe{Me2PCH2B(OMe)2} with HSiPh3 led to oxidative addition and the formation of HFe(CO)3(SiPh3){Me2PCH2B(OMe)2}. 140 The intermediate complex depicted in Scheme 41 was proposed, but no evidence for it was observed by NMR. 140 The crystal structure of [Fe(CO)4(P4O6)] was reported—the first single crystal X-ray data for a transition metal complex containing P4O6.

03. 199 The reaction proceeds through the intermediacy of [RSFe(CO)4]À. When the R group is –C6H4-o-NH2, the reaction proceeds with the elimination of one thiolate ligand and one carbonyl to give Fe(CO)2(SC6H4NH2)2, which chelates the iron center using both the S and N atoms (SC6H4-o-NH2). 201 This cationic cluster possesses an Sb2S6 cage that is attached to the Fe(CO)3 units only by bonds to sulfur.

116 The same complexes could be obtained using Fe2(CO)9, but Fe2(CO)7(L) (L ¼ bipy, phen) was the predominant product of those reactions. The synthesis of Fe(CO)3(bipy) was also achieved by reducing iron(III) chloride with Na(bipy) in the presence of CO (Equation (52))117 or by reaction of CO with FeR2(bipy)2 (R ¼ Me, Et) (Scheme 30). 117 FeCl3 Na(bipy), CO N DME 70% N ð52Þ Fe OC CO CO A. Non-catalyzed pathway 1. N2 + H2 2. N2H2 + H2 N2H4 3. N2H4 + H2 2 NH3 N2H2 B. Iron carbonyl-catalyzed pathway 1.

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