Results 141 to 150 of about 30,682 (325)

Chemical research projects office: An overview and bibliography, 1975-1980 [PDF]

The activities of the Chemical Research Projects Office at Ames Research Center, Moffett Field, California are reported. The office conducts basic and applied research in the fields of polymer chemistry, computational chemistry, polymer physics, and ...
Heimbuch, A. H., Kourtides, D. A., Parker, J. A.   +2 more
core   +1 more source

A facile one-pot synthesis of novel 2,5-disubstituted-1,3,4-oxadiazoles under conventional and microwave conditions and evaluation of their in vitro antimicrobial activities [PDF]

A rapid and efficient solvent-free synthesis of 2,5-disubstituted-1,3,4-oxadiazoles (3a–l) from fatty acid hydrazides (1a–f) under microwave irradiation is described.
Al-Oqail, Mai M., Al-Sheddi, Ebtesam S., Farshori, Nida N., Rauf, Abdul, Siddiqui, Maqsood A.   +4 more
core   +1 more source

Microwave Spectrum, Structure, Dipole Moment, and Quadrupole Coupling Constants of 1,2,5-Oxadiazole [PDF]

, 1965
Ellen Saegebarth, A. Peter Cox
openalex   +1 more source

Nitromethane Bridged Bis(1,3,4-oxadiazoles): Trianionic Energetic Salts with Low Sensitivities.

Chemistry, 2017
Trianionic energetic salts based on one nitromethylene and two dinitromethyl anions were designed and synthesized. Interestingly, the unstable dinitromethylene group of diethyl 2,2'-((dinitromethylene)bis(1,3,4-oxadiazole-5,2-diyl))bis(2,2-dinitroacetate)
Qiong Yu, Gregory H. Imler, D. Parrish, J. Shreeve   +3 more
semanticscholar   +1 more source

The Reaction of 1,3,5-Triazine with Aromatic Nitrile Oxides. A New Synthesis of 3-Substituted 1,2,4-Oxadiazoles [PDF]

, 1978
Masahiro Kurabayashi, Christoph Grundmann   +1 more
openalex   +1 more source

Expanding Synthesizable Space of Disubstituted 1,2,4-Oxadiazoles.

ACS Combinatorial Science, 2016
One-pot synthesis of 3,5-disubstituted 1,2,4-oxadiazoles from carboxylic acids and nitriles was optimized to parallel chemistry. The method was validated on a 141 member library; the desired products were recovered with a high success rate and in ...
A. Tolmachev, Andrey V. Bogolubsky, S. Pipko, A. Grishchenko, Dmytro V Ushakov, Anton V. Zhemera, O. O. Viniychuk, A. Konovets, O. Zaporozhets, Pavel K. Mykhailiuk, Yurii S. Moroz   +10 more
semanticscholar   +1 more source

INOVAÇÃO E PROPRIEDADE INTELECTUAL DOS 1,2,4-OXADIAZÓIS: UMA PROSPECÇÃO TECNOLÓGICA FUNDAMENTADA EM BASE DE DADOS DE PATENTES E PERIÓDICOS

Química Nova
1,2,4-Oxadiazoles are heterocyclic compounds that have a remarkable range of applications. This overview focused on investigating the potential and scientific and technological evolution of these compounds through an analysis of patent databases and ...
Erick Caique Santos Costa, Jucleiton José Rufino de Freitas, Juliano Carlo Rufino Freitas   +2 more
doaj   +1 more source

Hypervalent Iodine‐Catalyzed Synthesis of 1,2,4‐Oxadiazoles from Aldoximes and Nitriles

, 2016
A convenient procedure for oxidative cycloaddition of aldoximes with nitriles using stoichiometric or catalytic amounts of hypervalent iodine(III) reagent IBA-OTf (2-iodosylbenzoic acid triflate) has been developed.
A. Yoshimura, K. Nguyen, Scott C Klasen, P. Postnikov, M. Yusubov, A. Saito, V. Nemykin, V. Zhdankin   +7 more
semanticscholar   +1 more source

Tyrosinase Inhibitory Activity, 3D QSAR, and Molecular Docking Study of 2,5-Disubstituted-1,3,4-Oxadiazoles

Journal of Chemistry, 2013
In continuation with our research program, in search of potent enzyme tyrosinase inhibitor, a series of synthesized 2,5-disubstituted 1,3,4-oxadiazoles have been evaluated for enzyme tyrosinase inhibitory activity.
Ramesh L. Sawant, Prashant D. Lanke, Jyoti B. Wadekar   +2 more
doaj   +1 more source

New Mannich Bases Prepared from Oxadiazole and Benzenesulfonamides and Evaluation of Their Antibacterial and Insecticidal Activities [PDF]

, 1979
BINA SINGH, ANIL K. SEN GUPTA
openalex   +1 more source