- Tytuł:
- Preheated fly-ash catalyzed cyclization ofchalcones: Synthesis of some substituted pyrazole-1-carbothioamides and spectral correlations in 3-(3,4-dichlorophenyl)-5-(substituted phenyl)-4,5-dihydro-1H-pyrazole-1 carbothioamides
- Autorzy:
-
Thirunarayanan, G.
Sekar, K. G. - Powiązania:
- https://bibliotekanauki.pl/articles/412612.pdf
- Data publikacji:
- 2013
- Wydawca:
- Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
- Tematy:
-
Pre-heated fly-ash
solvent-free synthesis
Hammett correlations
3-(3, 4-dichlorophenyl)-5-(substituted phenyl)-4
5-dihydro-1H-pyrazole-1-carbothioamides - Opis:
- Some substituted 1-thiocarbomyl pyrazolines including 3-(3,4-dichlorophenyl)-5-(substituted phenyl)-4,5-dihydro-1H-pyrazole-1-carbothioamides using solvent-free preheated fly-ash catalyzed cyclization between chalcones and thiosemicarbazide microwave irradiation. The yields of these thiocarbomyl pyrazolines are more than 80 %. The purities of these synthesised pyrazoline derivatives are checked by their physical constants and spectral data earlier reported in the literature The spectral data of these 3-(3,4-dichlorophenyl)-5-(substituted phenyl)-4,5-dihydro-1H-pyrazole-1-carbothioamides had been correlated, using single and multi-linear regression analysis.
- Źródło:
-
International Letters of Chemistry, Physics and Astronomy; 2013, 10, 1; 18-34
2299-3843 - Pojawia się w:
- International Letters of Chemistry, Physics and Astronomy
- Dostawca treści:
- Biblioteka Nauki
Artykuł