New Niobocene Alkyne Complexes: Synthesis and Characterization of Neutral and Cationic Niobium Complexes with Functionalized Alkynes. X-ray Crystal Structure of [Nb(η5-C5H4SiMe3)2(Cl)(η2(C,C)-R1C⋮CR2)] (R1= C⋮CPh, R2= Ph (2b); R1= CH2CHC(CH3)2, R2= Ph (3b))
Keyword(s):
X Ray
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