An Efficient Method for Preparation of Thiophenes by the Direct Reaction of Zirconacyclopentadienes and Sublimed Sulfur
作者单位：Catalysis Research CenterHokkaido UniversitySapporo 060-0811Japan
会议名称：《中国化学会第十三届金属有机化学学术讨论会》
会议日期：2004年
学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学]
摘 要：正 Thiophenes have long played an important role in pharmaceutical chemistry and material science. Therefore, new methods of higher efficiency and greater generality are in great demand, although many means for the preparation of thiophenes have appeared. Metallacycle transfer from zirconacyclopentadienes to main group elements is an alternative method to synthesize heterocyclic compounds （eq 1）. Generally, the heteroatom compound must bear