146496-24-4Relevant articles and documents
Competition for Regiochemical Control between Substituents of Some 2,3-Disubstituted Buta-1,3-dienes in the Diels-Alder Reactions
Chou, Ta-shue,Chang, Chin-Yao,Wu, Meng-Chu,Hung, Shao-Hwa,Liu, Hui-Ming,Yeh, Wen-Yuan
, p. 1643 - 1644 (2007/10/02)
Several 3,4-disubstituted 3-sulfolenes 1a-j, the precursors for the corresponding 2,3-disubstituted 1,3-dienes 2a-j, are conveniently prepared and undergo Diels-Alder reactions smoothly with methyl acrylate under thermal conditions where the order of para