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چکیده
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In recent years, synthesis and synthetic applications of multifunctional cyclopentadienes have been widely investigated. Cvclopentadienyl ligands are ubiquitous in organometallic chemistry [1, 2]. Thus, usual investigated methods for the preparation of highly functionalized cyclopentadienes lead to derivatives which have an acidic proton. In spite of extensive development in the chemistry of cyclopeniadienyl ligands. little attention has been paid to the synthesis of fully substituted cyclopentadienes [3, 4
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