Zobrazeno 1 - 10
of 71
pro vyhledávání: '"K.G. Sekar"'
Autor:
G. Thirunarayanan, K.G. Sekar
Publikováno v:
Journal of Saudi Chemical Society, Vol 20, Iss 6, Pp 661-672 (2016)
One-pot synthesis of some 1N-acetyl pyrazoles including 1-(3-(3,4-dimethylphenyl)-5-(substituted phenyl)-4,5-dihydro-1H-pyrazole-1-yl) ethanones has been achieved via solvent-free microwave irradiation using substituted chalcones, hydrazine hydrate a
Externí odkaz:
https://doaj.org/article/cdd591e63acd445389ce1cb648cf902e
Publikováno v:
Journal of Saudi Chemical Society, Vol 20, Iss 1, Pp 58-68 (2016)
Some substituted styryl 2-benzimidazole ketones have been synthesised by fly-ash:H2SO4 catalysed aldol condensation of 2-benzimidazole methyl ketone and various substituted benzaldehydes in microwave oven. The yields of these chalcones are more than
Externí odkaz:
https://doaj.org/article/7cd82419473f40c98ead70d0815548e2
Publikováno v:
Materials Today: Proceedings. 43:2208-2214
Sulphated tin oxide-fly ash peony flower like nano catalyst was employed for the synthesis of some E-pyrenyl enones by microwave irradiated Aldol condensation of various substituted acetophenones and 1-pyrenaldehyde under solvent-free conditions. Abo
Publikováno v:
Yanbu Journal of Engineering and Science. 12
Publikováno v:
Journal of Saudi Chemical Society, Vol 20, Iss 6, Pp 661-672 (2016)
One-pot synthesis of some 1 N -acetyl pyrazoles including 1-(3-(3,4-dimethylphenyl)-5-(substituted phenyl)-4,5-dihydro- 1 H -pyrazole-1-yl) ethanones has been achieved via solvent-free microwave irradiation using substituted chalcones, hydrazine hydr
Publikováno v:
International Letters of Chemistry, Physics and Astronomy. 41:82-87
Some 6-substituted aryl quinoxalines have been prepared and their purities were checked by their physical constants and spectroscopic data reported earlier. The insect antifeedant activities of these quinolones were studied by leaf-discs bio assay me
Publikováno v:
International Letters of Chemistry, Physics and Astronomy. 41:118-123
Some substituted aryl Schiff’s bases [(E)-N-substitutedbenzylidene-4-methoxyanilines] have been prepared and their purities were checked by their physical constants and spectroscopic data reported earlier. The insect antifeedant activities of these
Publikováno v:
International Letters of Chemistry, Physics and Astronomy. 36:193-200
A series of some aryl 1,3-oxazine-4-thione derivatives have been synthesized by 1-methyl imidazole catalyzed three component one pot synthetic method in room temperature. The purities of these thiones were studied by their physical constants and spec
Publikováno v:
International Letters of Chemistry, Physics and Astronomy. 36:10-20
A series of titled compounds were synthesized and recorded the infrared and NMR spectra. The assigned spectral group frequencies were correlated with Hammett substituent constants, F and R parameter. From the statistical analysis results, the effect
Publikováno v:
Journal of Taibah University for Science. 8(2):124-136
Some 1N-acetyl pyrazoles, including 3-phenyl-(5-(substituted phenyl)-4,5-dihydro-1H-pyrazole-1-yl)ethanones, were synthesized by solvent-free cyclization cum acetylation of chalcones of substituted styryl phenyl ketones with hydrazine hydrate and ace