title: Catalyst-free tandem Michael addition/decarboxylation of (thio)coumarin-3-carboxylic acids with indoles: facile synthesis of indole-3-substituted 3,4-dihydro(thio)coumarins.
abstract: The tandem Michael addition/decarboxylation of (thio)coumarin-3-carboxylic acids with indoles has been developed and the biologically important indole-3-substituted dihydrocoumarins were obtained in good to excellent yields under catalyst-free conditions.
authors.affiliation: College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, 266109, China. chemjxiao@gmail.com chemjianxiao@gmail.com.
authors.forename: Zhuzhou
authors.initials: Z
authors.lastname: Shao
authors.forename: Lubin
authors.initials: L
authors.lastname: Xu
authors.forename: Liang
authors.initials: L
authors.lastname: Wang
authors.forename: Hongtao
authors.initials: H
authors.lastname: Wei
authors.forename: Jian
authors.initials: J
authors.lastname: Xiao
mesh_terms: D002384:Catalysis; D003374:Coumarins / Q000138:chemical synthesis* / Q000737:chemistry; D003653:Decarboxylation; D007211:Indoles / Q000138:chemical synthesis* / Q000737:chemistry*; D015394:Molecular Structure; D013438:Sulfhydryl Compounds / Q000737:chemistry*
chemical_list: D003374:Coumarins; D007211:Indoles; D013438:Sulfhydryl Compounds; C104227:coumarin-3-carboxylic acid