The intermolecular addition of in situ generated titanocene vinylidene complexes to alkynes gives titanacyclobutenes which undergo an insertion-rearrangement with tert-butyl isocyanide to afford allenylketenimines in high yield.
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Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China
Lam, WH
Lin, ZY
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Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China