118792-52-2Relevant academic research and scientific papers
Cyclocondensation of Acylketene S,N- and N,N-acetals with Maleic Anhydride and Maleimide: A Facile One-Step Synthesis of Pyranopyrrole, Pyrrolopyridine and Condensed Pyrrole Derivatives
Gupta, Akhilesh K.,Ila, H.,Junjappa, H.
, p. 284 - 286 (2007/10/02)
The acylketene S,N-acetals 1a-c react with maleic anhydride (2) in refluxing acetonitrile to give the corresponding 3-pyrrolin-2-one-3-acetic acid derivatives 3a-c in good yields.Condensation of S,N-acetals 1a-j and 2 in presence of acetic anhydride direc
