Manat PohmakotrSirinporn ThamapipolPatoomratana TuchindaVichai ReutrakulMahidol University2018-08-242018-08-242007-02-19Tetrahedron. Vol.63, No.8 (2007), 1806-1820004040202-s2.0-33846238520https://repository.li.mahidol.ac.th/handle/20.500.14594/24246A general method for the preparation of 5-alkylidene-2-cyclopentenones and their 2-phenylsulfanyl substituted derivatives, involving the intramolecular acylation of α-sulfinyl carbanions with cyclopentadiene-α,β-unsaturated esters as the key reaction followed by flash vacuum pyrolysis, is described. The reactions start from readily available Diels-Alder adducts, synthons of α-carbanions of α,β-unsaturated esters. © 2006 Elsevier Ltd. All rights reserved.Mahidol UniversityBiochemistry, Genetics and Molecular BiologyChemistryPharmacology, Toxicology and PharmaceuticsIntramolecular acylation of α-sulfinyl carbanions with masked α,β-unsaturated esters: a general strategy to 5-alkylidene-2-cyclopentenonesArticleSCOPUS10.1016/j.tet.2006.12.036