while the reaction with 2 equiv of Me2NNH2 gave Cp*Ti(η2-NHNMe2)2Cl (7) containing two η2-bound hydrazide(1−) ligands. Formation of 7 and 8 proceeds via a common intermediate, Cp*Ti(NHtBu)(η2-NHNMe2)Cl, observed by NMR spectroscopy. Reaction of 4 with LiNHNPh2 gave the mixed hydrazide(2−)/hydrazide(1−) derivative Cp*Ti(NNPh2)(NHNPh2)(py) (10). The corresponding reaction of 1 formed Cp*Ti(NtBu)(NHNPh2)(py)
通过叔丁基
酰亚胺/ N,N-二取代
肼交换反应制备了新的单和双
环戊二烯基末端
肼基(2-)化合物。Cp * Ti(N t Bu)Cl(py)(1)与Ph 2 NNH 2的反应生成末端酰
肼Cp * Ti(NNPh 2)Cl(py)(4),而CpTi(N t丁基)
氯(PY),得到二聚体的Cp 2的Ti 2(μ-η 1:η 1 -NNPh 2)(μ-η 2:η 1 -NNPh 2)
氯2。的反应1与我2 NNH 2(1当量)也给予了二聚物中,Cp * 2的Ti 2(μ-η 1:η 1 -NNMe 2)(μ-η 2:η 1 -NNMe 2)
氯2(8),同时用2当量的Me的反应2 NNH 2,得到的Cp *的Ti(η 2 -NHNMe 2)2 Cl(上7含有两个η)2结合的酰
肼(1-)的
配体。7和8的形成经由共同的中间中,Cp *
钛前进(NH吨卜)(η 2 -NHNMe 2)
氯,通过NMR光谱法观察到。4与LiNHNPh