title: Tandem reaction of 3-hydroxyhexa-4,5-allenic esters: a novel access to diversely substituted 2H-pyran-2-ones and indenes.
abstract: A highly efficient synthesis of diversely substituted 2H-pyran-2-ones and indenes through Brønsted acid promoted tandem reaction of the readily obtainable 3-hydroxyhexa-4,5-allenic esters under extremely mild conditions has been developed.
authors.affiliation: School of Chemistry and Environmental Science, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Henan 453007, P. R. China.
authors.forename: Haiyun
authors.initials: H
authors.lastname: Xu
authors.forename: Xinying
authors.initials: X
authors.lastname: Zhang
authors.forename: Yan
authors.initials: Y
authors.lastname: He
authors.forename: Shenghai
authors.initials: S
authors.lastname: Guo
authors.forename: Xuesen
authors.initials: X
authors.lastname: Fan