Molybdenum complexes bearing a diaminosubstituted-phosphiteboryl ligand: Syntheses,structures, and reactivity involving the Mo–B,B–P,and B–H activation |
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| Institution: | Department of Chemistry, Graduate School of Science, Osaka City University, Sumiyoshi-ku, Osaka 558-8585, Japan;Research Center for Materials Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602 Japan |
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| Abstract: | Photoreaction of diaminosubstituted-phosphiteborane, BH3P(NMeCH2)2(OMe) with a methyl molybdenum complex, (η5-C5R5)Mo(CO)3Me (R5 = Me5, Me4H, H5) yielded a phosphiteboryl molybdenum complex, (η5-C5R5)Mo(CO)3BH2{P(NMeCH2)2(OMe)} (R5 = Me5: 2, Me4H: 3, H5: 4). In the reaction of 2 with MeI, the Mo–B bond was activated to give (η5-C5Me5)Mo(CO)3Me, in the reaction with PMe3, the B–P bond was activated to give (η5-C5Me5)Mo(CO)3(BH2PMe3). Complex 2 in solution was gradually converted into (η5-C5Me5)MoH(CO)2{P(NMeCH2)2(OMe)} (8) via the B–H bond activation of 2. Structures of 2, 3, and 8 were determined by single crystal X-ray diffraction studies. |
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