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通过双(甲基环戊=烯基)二羰基钛、双(环戊二烯基)二羰基钛与卤代烃的反应合成了33个相应的酰基卤化钛,其中31个未见文献报道.研究了不同卤代烃与这些二羰基茂钛化合物反应的特点.顺磁共振法显示反应都经过自由基中间体,提出了羰基插入RX和R基偶联反应历程的初步结论.
Thirty-three corresponding acylhalides were synthesized by the reaction of bis (methylcyclopentadienyl) dicarbonyltitanium, bis (cyclopentadienyl) dicarbonyltitanium and halocarbons, of which 31were not reported in the literature. The reaction of different halogenated hydrocarbons with these dicarbonyl titanocene compounds was studied.The results of paramagnetic resonance show that all the reactions proceed through the free radical intermediates and the preliminary conclusions about the carbonyl insertion into the coupling reaction of RX and R groups were proposed.