文献类型：专利

英文题名：Method for preparing benzo cyclobutene from benzo cyclopent sulfone high-temperature catalytic cracking

作者：HUA F;SHEN X;ZHANG F

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN1470489-A

申请日：2003-06-23

公开日：2004-01-28

语种：英文

收录：DERWENT

摘要：NOVELTY - The present invention discloses a method for preparing benzocyclobutylene by high-temp catalyst cracking benzo cyclopentane, and is characterized by that in the cracking equipment the nickel-chromium alloy metal wire as catalyst is added, it can raise average yield rate of benzocyclobutylene prepared by thermal cracking process to 95 %, and the content of the benzocyclobutylene in the product can be up to 98 %, and its after-treatment refining process can be simplified.