title: Cyclopentadiene Construction via Rh-Catalyzed Carbene/Alkyne Metathesis Terminated with Intramolecular Formal [3 + 2] Cycloaddition.
abstract: A new type of intramolecular carbene cascade reaction of alkynyl-tethered styryl diazoesters is presented, which is terminated with a formal [3 + 2] cycloaddition to give the bicyclic cyclopentadiene derivatives in high yields and selectivity. Additionally, it was found that the β-H shift is the dominating process in the case of alkyl alkyne-tethered substrates.
authors.affiliation: Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , Suzhou 215123, P. R. China.
authors.forename: Yang
authors.initials: Y
authors.lastname: Zheng
authors.affiliation: Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , Suzhou 215123, P. R. China.|State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University , Chengdu 610500, P. R. China.
authors.forename: Jincheng
authors.initials: J
authors.lastname: Mao
authors.affiliation: Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , Suzhou 215123, P. R. China.
authors.forename: Yuecheng
authors.initials: Y
authors.lastname: Weng
authors.affiliation: Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , Suzhou 215123, P. R. China.
authors.forename: Xiaolu
authors.initials: X
authors.lastname: Zhang
authors.affiliation: Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , Suzhou 215123, P. R. China.
authors.forename: Xinfang
authors.initials: X
authors.lastname: Xu