2-bis(diphenylphosphino)ethane (dppe) gave the corresponding PPh3 displacement complexes [η5:σ-Me2C(C5H4)(C2B10H10)]M(2,6-Me2C6H3NC) (M = Co (9), Ni (10)), [η5:σ-Me2C(C5H4)(C2B10H10)]M[1,3-(2,6-i-Pr2C6H3)2C3N2H2] (M = Co (11), Ni (12)), [η5:σ-Me2C(C5H4)(C2B10H10)]Ni(PCy3) (13), or [η5:σ-Me2C(C5H4)(C2B10H10)]Co}2(dppe) (14), respectively. These complexes were characterized by various spectroscopic techniques
合成了带有连接的
环戊二烯基/
茚基-碳
硼烷基
配体的晚期过渡
金属配合物,并检查了它们的反应性。Li2[Me2C(L)(C2B10H10)] (L =
C5H4,
C9H6, Me2NCH2CH2C5H3) 与 MCl2(PPh3)2 在 Et2O 中反应得到 [η5:σ-Me2C( )(C2B10H10)]M(PPh3) Co (4), Ni (5)), [η5:σ-Me2C( )(C2B10H10)]M(PPh3) (M = Co (6), Ni (7)), 和 [η5:σ-Me2C( Me2NCH2CH2C5H3)(C2B10H10)]Ni(PPh3) (8)。用 2,6-二甲基苯基异
氰化物、N-杂环卡宾 (NHC)、PCy3 或
1,2-双(二苯基膦)乙烷 (dppe) 处理 4 或 5 得到相应的 PPh3 置换配合物 [η5:σ-Me2C( ) (C2B10H10)]M(2