Polyfunctional Pyrazoles. 2. 1-Aryl-3-benzoyl-4-formyl- and 4-Carboxypyrazoles |
| |
| Authors: | M. K. Bratenko V. A. Chornous M. V. Vovk |
| |
| Affiliation: | (1) Bukovinian State Medicinal Academy, Chernovtsy, 274000, Ukraine;(2) Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Kiev, 263660 |
| |
| Abstract: | Cyclization of 1-phenylpropane-1,2-dione monoarylhydrazones under Vilsmeier-Haack conditions gave 1-aryl-3-benzoyl-4-formylpyrazoles which were converted to 1-aryl-3-benzoyl-4-carboxypyrazoles using potassium permanganate in aqueous pyridine medium. |
| |
| Keywords: | propiophenone hydrazones carboxypyrazoles formylpyrazoles Vilsmeier-Haack reaction |
| 本文献已被 SpringerLink 等数据库收录！ |
