
Journal fur Praktische Chemie - Chemiker-Zeitung p. 491 - 496 (1992)
Update date:2022-08-03
Topics:
Gewald, K.
Schaefer, H.
Bellmann, P.
Hain, U.
N-Aryl and alkylaminomethylene cyanacetic acid derivatives 1 react with α-halogencarbonyl compounds 2 in the presence of potassium carbonate/sodium ethoxide to yield the substituted 3-amino-pyrroles 6.Using the same principle of cyclization pyrrole deriva
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