Double carbonylation of zirconocene–alkyne complexes

S Mito, T Takahashi

Index: Mito, Shizue; Takahashi, Tamotsu Chemical Communications, 2005 , # 19 p. 2495 - 2496

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Abstract

The reactions of alkynes with CO in the presence of transition metal complexes have been attractive since Reppe discovered acrylic acid formation using an acetylene, CO and nickel carbonyl complex. 1 Since then, it has been reported that alkynes can react with CO in the presence of various transition metal complexes. 2 However, the carbonylation of metal–alkyne complexes with CO has not been reported. As shown in eqn. (1), formally a metalacyclobutenone is ...