Results 31 to 40 of about 31,516 (214)

The urinary metabolites of 5-(2-diethylaminoethyl)-3-phenyl-1,2,4-oxadiazole [PDF]

, 1964
The urine of mice, rats, dogs, and men treated with 5-(2-diethylaminoethyl)-3-phenyl-1,2,4-oxadiazole has been examined for metabolic products of the drug.
P Ridolfi, B Catanese, G Corsi, B Silvestrini   +3 more
core   +1 more source

Synthesis and characterization of 5-aryl-1,3,4-oxadiazole-2(3h)thione derivatives

Journal of Applied Pharmaceutical Research, 2020
1,3,4-oxadiazoles represent a class of heterocyclic five membered compounds it contain two nitrogen and one oxygen of great importance in Pharmaceutical chemistry. This nucleus show four isomeric forms 1,2,4-oxadiazole,1,3,4-oxadiazole, 1,2,5-oxadiazole,
Shailesh Pathak, Sharad Sharma, Vinay Pathak, Mahesh Prasad   +3 more
doaj   +1 more source

Palladium(II) and Platinum(II) Deprotonated Diaminocarbene Complexes Based on N-(2-Pyridyl)ureas with Oxadiazole Periphery

Inorganics, 2022
Metal mediated coupling of isocyanides with substituted N-(pyridine-2-yl) ureas was first used to incorporate privileged biological motifs into platinum metal complexes.
Kirill K. Geyl, Svetlana O. Baykova, Pavel A. Andoskin, Vladimir V. Sharoyko, Anastasiya A. Eliseeva, Sergey V. Baykov, Konstantin N. Semenov, Vadim P. Boyarskiy   +7 more
doaj   +1 more source

Synthesis of Fluorinated Bent-Core Mesogens (BCMs) Containing the 1,2,4-Oxadiazole Ring [PDF]

, 2015
New fluorinated bent-core mesogens containing the 1,2,4-oxadiazole or 1,2,4-triazole nucleus have been synthesized taking advantage of the ANRORC (Addition of Nucleophile, Ring-Opening, Ring-Closure) reactivity of 5-perfluoroalkyl-1,2,4-oxadiazoles ...
Ivana Pibiri, PALUMBO PICCIONELLO, Antonio, Calabrese, Alessandro, Antonio Palumbo Piccionello, Alessandro Calabrese, Silvestre Buscemi, PIBIRI, Ivana, Andrea Pace, BUSCEMI, Silvestre, PACE, Andrea, Valentina Giacalone, Giacalone, Valentina   +11 more
core   +1 more source

Strategic integration of 1,2,4-oxadiazole and nitramino-triazole frameworks for high-energy-density materials

Defence Technology
Developing high-energy-density materials (HEDMs) with balanced energy and safety performance remains a significant challenge in energetic materials. This study presents the synthesis and systematic characterization of two novel high-performance energetic
Ziyi Xu, Caijin Lei, Xuezhi Yu, Jie Tang, Wei Hu, Hongwei Yang, Guangbin Cheng   +6 more
doaj   +1 more source

Synthesis of 2-(3-chloro-4-nitro-1-benzothien-2-yl)-1,3,4-oxadiazole-1,3,4-thiadiazole and 5-(3-chloro-4-nitro-1-benzothien-2-yl)-4H-1,2,4-triazole-3-thiol [PDF]

مجلة التربية والعلم, 2010
In this paper the synthesis of some substituted 1,3,4-oxadiazole, 1,3,4-thiadiazole and 1,2,4-triazole is reported. 3-chloro-4-nitro-2-chloro carbonyl benzo [b] thiophene(1) was synthesized from 2-nitrocinnamic acid by its reaction with thionyl chloride ...
Khalid M. Daoud, Amal N. Ali, Amina A. Ahmed   +2 more
doaj   +1 more source

Pyridines from azabicyclo[3.2.0]hept-2-en-4-ones through a proposed azacyclopentadienone [PDF]

, 2012
Pyridines have been formed by heating azabicyclo[3.2.0]hept-2-en-4-ones in toluene. The generation of a 3-azacyclopentadienone intermediate via a [2+2]-cycloreversion is proposed as the key step.
Khan, Musharraf, Khan, Musharraf N., Vishnu V. R. Kondakal, M. Ilyas Qamar, Qamar, M. Ilyas, Hemming, Karl, Rice, Craig R., Karl Hemming, Craig R. Rice, Kondakal, Vishnu V.R., Qamar, Muhammad Ilyas, Arnaud Pitard, Pitard, Arnaud, Musharraf N. Khan, Kondakal, Vishnu   +14 more
core   +1 more source

Tetrabutylammonium 2-[2,5-dimethyl-3-(4-nitrophenyl)-2,3-dihydro-1,2,4-oxadiazolium-4-yl]nonahydro-closo-decaborate

Acta Crystallographica Section E, 2012
The title ionic compound, C16H36N+·C10H20B10N3O3−, consists of a tetrabutylammonium cation and a closo-decaborate cluster anion, which is bound to the substituted 2,3-dihydro-1,2,4-oxadiazole ring through a B—N bond [1.540 ...
Aleksey L. Mindich, Anna V. Pavlishchuk, Nadezhda A. Bokach, Galina L. Starova, Konstantin Yu. Zhizhin   +4 more
doaj   +1 more source

SET activation of nitroarenes by 2-azaallyl anions as a straightforward access to 2,5-dihydro-1,2,4-oxadiazoles

Nature Communications, 2021
Oxadiazoles are five-membered ring heterocycles comprising an oxygen and two nitrogens, and those with the 1,2,4-oxadiazole skeleton are of interest due to their prevalence in biologically active compounds.
Dong Zou, Lishe Gan, Fan Yang, Huan Wang, Youge Pu, Jie Li, Patrick J. Walsh   +6 more
doaj   +1 more source

Thiophene-Substituted 1,2,4-Oxadiazoles and Oxadiazines

Phosphorus, Sulfur, and Silicon and the Related Elements, 2007
Twenty one new thiophene-substituted 1,2,4-oxadiazol-5(4H)-ones, 1,2,4-oxadiazol-5(4H)-thiones, and 1,2,4-oxadiazin-5(6H)-ones were synthesized by the reaction of thiophene-ring substituted amidoximes with ethyl chloroformate, thiophosgene, and chloroacetylchloride, respectively.
Dürüst, Yaşar, Altuğ, Cevher, Kılıç, Ferdi   +2 more
openaire   +1 more source