Reaction of zirconacyclopentadienes with CO in the presence of n-BuLi. Selective formation of cyclopentenone derivatives from two alkynes and CO

T Takahashi, S Huo, R Hara, Y Noguchi…

Index: Takahashi, Tamotsu; Huo, Shouquan; Hara, Ryuichiro; Noguchi, Yoshinori; Nakajima, Kiyohiko; Sun, Wen-Hua Journal of the American Chemical Society, 1999 , vol. 121, # 5 p. 1094 - 1095

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Citation Number: 51

Abstract

Cyclopentenones are very useful intermediates for organic synthesis. It is well-known that three components, namely an alkyne, an alkene, and CO, provide cyclopentenone derivatives with transition metal compounds. 1 However, use of two alkynes and CO for preparation of cyclopentenones is very rare.(eq 1).

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