Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Geeta Joshi nee Pant"'
Autor:
Manjul Gondwal, Geeta Joshi nee Pant
Publikováno v:
International Journal of Biomaterials, Vol 2018 (2018)
An ecofriendly and green method for the synthesis of silver and copper nanoparticles has developed using aqueous leaves extract of Cassia occidentalis. The formation of AgNPs and CuNPs was monitored by measuring the UV-Vis spectra. The morphology and
Externí odkaz:
https://doaj.org/article/5dc36baf32d64cb8b52e622de9d1fe79
Publikováno v:
Molbank, Vol 2010, Iss 1, p M650 (2010)
A novel 1-formyl-2-pyrazoline was synthesized by reaction of an α,β- unsaturated ketone with hydrazine hydrate and formic acid. The structure of the title compound was established by UV, IR, 1H NMR, 13C NMR and microanalysis.
Externí odkaz:
https://doaj.org/article/ddf2f5742ecf4954a7235e083e820992
Publikováno v:
Molbank, Vol 2009, Iss 3, p M614 (2009)
Reaction of dibenzalacetone with hydrazine hydrate and formic acid yielded a novel 2-pyrazoline 1, characterized by ESI-MS, FT-IR, UV, 1HNMR and 13CNMR data and microanalysis.
Externí odkaz:
https://doaj.org/article/d15b827e809e4a6e8003a74f8db7ce51
Autor:
Manjul Gondwal, Nidhi Sharma, Geeta Joshi nee Pant, Bhanu Pratap Singh Gautam, Sangeeta Singh, Kaniki Tumba, Indra Bahadur
Publikováno v:
ChemistrySelect. 8
Publikováno v:
Inorganica Chimica Acta. 487:120-127
Cation recognition plays a vital role in defining advanced functions of macromolecules in nature. An example of such an interaction is the action of a natural antibiotic, valinomycin, that behaves as a potassium ionophore. It encages the cation to tr
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 171:507-514
A series of complexes of 2,3,5,6,8,9,11,12-octahydro-1,4,7,10,13-benzopentaoxacyclopentadecine (benzo-15-crown-5) with sodium halides was synthesized in acetonitrile. The effect of anion on the stability and spectral properties of complexes of benzo-
Publikováno v:
The Natural Products Journal. 5:268-272
Autor:
K. Thapliyal, G. C. Joshi, Geeta Joshi nee Pant, M. S. M. Rawat, B.S. Rawat, Pramod Singh, Jagmohan S. Negi
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 107:213-217
The structure of 3-(4-bromophenyl)-5-phenyl-4,5-dihydro-1H-pyrazole-1-carbaldehyde was determined by using X-ray diffraction analysis. Photophysical studies of the title compound were investigated in the solvents with different polarities. The emissi
Autor:
Karan Vir Singh, Geeta Joshi nee Pant, Jagmohan S. Negi, G. C. Joshi, M. S. M. Rawat, Pramod Singh
Publikováno v:
Synthetic Metals. 162:1977-1980
s 2-Pyrazoline derivatives (6–10) were synthesized from dibenzalacetones (1–5), formic acid and hydrazine hydrate in ethanol. The structures were elucidated by UV–Vis, FT-IR, ESI-MS, 1H NMR, 13C NMR, and microanalysis. Absorption and fluorescen
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 111:549-552
Copper complexes of 1-formyl-2-pyrazolines were prepared by the reaction of 1-formyl-2-pyrazolines with copper chloride and nitrate with methanol. The structures of copper complexes 1a–3a have been established by elemental analysis, FT-IR, UV and t