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Synthesis, thermal transformations, and mass spectrometric fragmentation of 4,4'-[1,2-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethane-1,2-diyl]-bis(5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one)
| Content Provider | Semantic Scholar |
|---|---|
| Author | Azev, Yu. A. Kovalev, I. S. Mekhaev, A. V. Gibor, A. M. Baranov, V. Bakulev, V. A. Ermakova, O. S. |
| Copyright Year | 2013 |
| Abstract | Quinoxaline reacted with 3-methyl-1-phenylpyrazol-5-one at room temperature in the presence of triethylamine in DMSO solution, to form 4,4'-[1,2-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-ethane-1,2-diyl]bis(5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one). Heating of the obtained crystalline product at 240-250°C temperature led to the known 4-[(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylidene]-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one. The mass spectral fragmentation of the obtained compounds was characterized. |
| Starting Page | 545 |
| Ending Page | 550 |
| Page Count | 6 |
| File Format | PDF HTM / HTML |
| DOI | 10.1007/s10593-013-1280-7 |
| Volume Number | 49 |
| Alternate Webpage(s) | http://elar.urfu.ru/bitstream/10995/27458/1/scopus-2013-0608.pdf |
| Alternate Webpage(s) | https://doi.org/10.1007/s10593-013-1280-7 |
| Journal | Chemistry of Heterocyclic Compounds |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
