Manat PohmakotrLaddawan SampaongoenArisara IssareePatoomratana TuchindaVichai ReutrakulMahidol University2018-07-242018-07-242003-08-25Tetrahedron Letters. Vol.44, No.35 (2003), 6717-6720004040392-s2.0-0043172234https://repository.li.mahidol.ac.th/handle/20.500.14594/20699Vicinal dianions derived from diethyl α-aroylsuccinates were found to react with carbonyl compounds β-regioselectively to afford α-aroyl-γ-butyrolactones, which were converted into α-arylidene-γ-butyrolactones by reduction with H2/Pd-C followed by elimination employing methanesulfonyl chloride in pyridine. The method provides a general and convenient route to α-aroyl- and α-arylidene-γ-butyrolactones. © 2003 Elsevier Ltd. All rights reserved.Mahidol UniversityBiochemistry, Genetics and Molecular BiologyChemistryPharmacology, Toxicology and PharmaceuticsVicinal dianions of diethyl α-aroylsuccinates: A general synthetic route to α-aroyl- and α-arylidene-γ-butyrolactonesArticleSCOPUS10.1016/S0040-4039(03)01622-8