110719-48-7Relevant academic research and scientific papers
Intra- and Intermolecular hetero Diels-Alder Reactions, XIX. - Stereoselective Synthesis of Five- and Seven-Membered Annulated Ring Systems by Intramolecular hetero Diels-Alder Reaction
Tietze, Lutz F.,Brumby, Thomas,Pfeiffer, Thomas
, p. 9 - 12 (2007/10/02)
The intramolecular hetero Diels-Alder reaction of the benzylidene- and (pyrrolylmethylene)pyrazolones 8 and 12, which have been obtained by Knoevenagel condensation of 7 with the aldehydes 6 and 11, respectively, proceeds stereoselectively to give the cis
