Reactions with heterocyclic amidines, VII: Synthesis of some new pyrazolo[1,5-c]-1,2,4-triazines, pyrazolo[1,5-a]-1,3,5-triazines and pyrazolo[1,5-a]pyrimidines

Pyrimidine derivatives and related compounds. 4. A route for the synthesis of pyrazolo [3,4-e]-as-triazines, pyrazolo[3,4-d]pyrimidines, and pyrazolo[1,5-c]-as-triazines

Mohamed H. Elnagdi, Daizy Hanna Fleita, E. A. A. HAFEZ et al. · The Journal of Organic Chemistry · 1976 · 108 citations

Natural Sciences, Chemistry, Medicinal Chemistry +11

3-Halo-5,7-dimethylpyrazolo[1,5-A]pyrimidines, a nonbenzodiazepinoid class of antianxiety agents devoid of potentiation of central nervous system depressant effects of ethanol or barbiturates

William E. Kirkpatrick, Takayuki Okabe, Ira W. Hillyard et al. · Journal of Medicinal Chemistry · 1977 · 95 citations

Medicine, Medicinal Chemistry, Pharmacology +10

3-Substituted 5,7-dimethylpyrazolo[1,5-a]pyrimidines, 3',5'-cyclic AMP phosphodiesterase inhibitors

Thomas Novinson, R. James Hanson, Mary K. Dimmitt et al. · Journal of Medicinal Chemistry · 1974 · 73 citations

Medicine, Medicinal Chemistry, Pharmacology +9

Reactions with heterocyclic diazonium salts: New routes for the synthesis of pyrazolo[1,5‐<i>c</i>]‐1,2,4‐triazoles and pyrazolo[1,5‐<i>c</i>]‐as‐triazines

Mohamed Hilmy Elnagdi, Mohamed Riffat Hamza Elmoghayar, E. M. KANDEEL et al. · Journal of Heterocyclic Chemistry · 1977 · 70 citations

Natural Sciences, Chemistry, Medicinal Chemistry +12

Reactions with β-cyanoethylhydrazine—I

M. H. ELNAGDI · Tetrahedron · 1974 · 60 citations