- 作者: --
- 作者服務機構: Department of Chemistry, Faculty of Science, Cairo University, Egypt
- 中文摘要: 1-Benzotriazolylacetophenone 1 couples with aromatic diazonium salts to yield the corresponding coupling products 2. Reaction of 1 with diazotized aminopyrazole afforded the benzotriazolylpyrazolo[5,1-c][1,2,4]triazine 6. Compound 1 condensed with DMFDMA to yield the enaminone 7 which reacted with hydrazines to yield the pyrazoles 8a,b. Isomeric pyrazoles 10 were synthesized via condensing 1 with phenylhydrazine and subsequent condensation of the formed phenylhydrazone 9 with DMFDMA. Reaction of 7 with hydroxylamine afforded the isoxazole 11 which was converted into the nitrile 13 on reflux in dioxane in the presence of sodium hydride. Compound 13 was also directly obtained from reaction of 1 with 1-cyanobenzotriazole. The reaction of 1 with hippuric acid and arylidenemalononitriles 18a-c afforded the pyranone 17 and pyridine derivatives 23a-c, respectively.
- 英文摘要: --
- 中文關鍵字: Benzotriazol; Enaminone; Arylidinemalononitrile; Pyranone; Hippuric acid; Isoxazole.
- 英文關鍵字: --