Brønsted acid catalyzed Diels–Alder reactions of 2-vinylindoles and 3-nitrocoumarins: an expedient synthesis of coumarin-fused tetrahydrocarbazoles Author:wangqiang Date:Dec 10, 2010 Read times: Congratulations! Fen's ultimate study of Diels-Alder reactions is published in Tetrahedron. [link] PreNews: Efficient and general synthesis of oxazino[4,3-a]indoles by cascade addition-cyclization reactions of (1H-indol-2-yl)methanols and vinyl sulfonium salts NextNews: Enantioselective Conjugate Addition of Oximes to Trisubstituted β-Nitroacrylates: An Organocatalytic Approach to β2,2-Amino Acid Derivatives