111161-22-9Relevant academic research and scientific papers
Studies with Polyfunctionally Substituted Heterocycles: Synthesis of New Pyridines, Naphthopyrans, Pyrazolo(3,4-b>pyridines and Pyrazolopyrimidines
Elnagdi, Mohamed Hilmy,Elghandour, Ahmed Hafiz Husein,Ibrahim, Mohamed Kamal Ahmed,Hafiz, Ibrahim Saad Abdel
, p. 572 - 578 (2007/10/02)
A variety of new polyfunctionally substituted pyridines, naphthopyrans and pyrazolopyrimidines were prepared via reacting ylidenemalononitriles with thiophenol, thionaphthol, naphthols or aminopyrazoles. Keywords: Heterocycles, Pyridines, Pyrimidines
REACTIONS WITH α-THIOCARBAMOYLCINNAMONITRILES: SYNTHESIS OF PYRAZOLOPYRIMIDINES
Hussain, Sohair Mohamed,El-Reedy, Ahmed Mohamed,El-Sharabasy, Salwa Ahmed
, p. 241 - 246 (2007/10/02)
Whereas each of α-thiocarbamoyl- and α-cyanomalononitrile derivatives 1a and 1d reacted whith benzamidine (2) hydrochloride to give only 4-amino-6-(4-chlorophenyl)-2-phenyl-5-pyrimidine-carbonitrile (5a), they react with 5-amino-3-phenylpyrazole(6) to yie
