In chapter two , I have concentrated with my research interesting on the designation and synthesis of trisubstituted cyclopentadienyl ligands and their corresponding half-sandwich titanocene .

• 目前，在苯乙烯聚合中，通过配体修饰来精确控制单体序列和立体规整度的研究已成为该领域中最有挑战性的课题之一。