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

DOI: 10.1055/s-1988-27544

Source and publish data:

Synthesis p. 284 - 286 (1988)

Update date:2022-09-26

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Authors:

Gupta, Akhilesh K.

Ila, H. Ila, H.

Junjappa, H.

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Article abstract of DOI:10.1055/s-1988-27544

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

Full text of DOI:10.1055/s-1988-27544

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