Synthesis of Substituted Asymmetric Titanocenes with Bulky Substituents

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (2): 99-101.

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Synthesis of Substituted Asymmetric Titanocenes with Bulky Substituents

Shu Xuejun, He Zhengjie, Chen Shoushan

Institute of Elemento Organic Chemistry, Nankai University, Tianjin 300071

Received:1996-06-19 Revised:1996-12-31 Published:1997-04-10 Online:1997-04-10

Abstract

Abstract: A series of substituted cyclopentadienyllithium were prepared from exocyclic double bond addition reaction of 6,6-dialkylfulvenes and 6,6-polymethylenefulvenes with n pentyllithium, 1-cyclohexenyllithium, 1,4-butylenedilithium and 1,6-hexylenedilithium, respectively. Reacting with CpTiCl₃, they gave seventeen novel asymmetric titanocenes with bulky substituents. A general route for preparation of asymmetric titanocenes is herein reported.

Key words: organolithium, fulvene, titanocene, synthesis

Shu Xuejun, He Zhengjie, Chen Shoushan. Synthesis of Substituted Asymmetric Titanocenes with Bulky Substituents[J]. Chinese Journal of Applied Chemistry, 1997, 0(2): 99-101.

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Synthesis of Substituted Asymmetric Titanocenes with Bulky Substituents

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