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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Studies with Polyfunctionally Substituted Heterocycles: Synthesis of New Pyridines, Naphtho[1,2-b]pyrans, Pyrazolo[3,4-b]pyridines and Pyrazolo[l,5-a]pyrimidines

  • Mohamed Hilmy Elnagdi , Ahmed Hafiz Husein Elghandour , Mohamed Kamal Ahmed Ibrahim and Ibrahim Saad Abdel Hafiz

A variety of new polyfunctionally substituted pyridines, naphthopyrans and pyrazolopyrimidines were prepared via reacting ylidenemalononitriles with thiophenol, thionaphthol, naphthols and or aminopyrazoles.

Received: 1991-9-19
Published Online: 2014-6-2
Published in Print: 1992-4-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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