(4), [CoClMe(PMe3)2–(C6H8)–CH=O}] (5), and [CoClMe(PMe3)2–(C6H7Memeta)–CH=O}] (6) were synthesized through cyclometalation reactions with aldehyde as an anchoring group involving aliphatic vinylic C–Cl bond activation. Complexes 4–6 were characterized by IR and NMR spectroscopy. The crystal and molecular structures of complexes 4 and 5 were determined by single-crystal X-ray diffraction. Complexes
三种二有机
钴氯化物 [CoClMe(PMe3)2–(
C5H6)–CH=O}] (4)、[CoClMe(PMe3)2–(
C6H8)–CH=O}] (5) 和 [CoClMe(PMe3) )2-(C6H7Memeta)-CH=O}] (6) 是通过环
金属化反应合成的,醛作为锚定基团,涉及脂肪族
乙烯基 C-Cl 键活化。配合物 4-6 用红外光谱和核磁共振光谱表征。配合物 4 和 5 的晶体和分子结构由单晶 X 射线衍射确定。配合物 4-6 在室温下在溶液中是稳定的,但它们在 30°C 以上分解,提供 C,C-偶联产物并形成 [Co(PMe3)3Cl]。这项工作的结果对人们加深对C-Cl键活化机制的理解具有重要意义。