Results 61 to 70 of about 4,363 (249)

A one-pot synthesis-functionalization strategy for streamlined access to 2,5-disubstituted 1,3, 4-oxadiazoles from carboxylic acids [PDF]

, 2022
A one-pot 1,3,4-oxadiazole synthesis-arylation strategy for accessing 2,5-disubstituted 1,3,4-oxadiazoles, from carboxylic acids, N-isocyaniminotriphenylphosphorane (NIITP), and aryl iodides, is reported.
Dixon, Darren J, Matheau-Raven, Daniel
core   +2 more sources

Molecular Docking and Target‐Specific Binding Profiles of Benzosuberane‐Based Compounds

ChemMedChem, EarlyView.
Benzosuberane represents a promising scaffold in medicinal chemistry. Several benzosuberane‐based derivatives are described in this review as anticancer agents, including antivascular agents, DNA‐intercalators, receptor modulators and kinase inhibitors.
Michail A. Saragatsis, Gemma K. Kinsella, James F. Curtin, Tao Zhang   +3 more
wiley   +1 more source

A Handy and Solventless Direct Route to Primary 3-[3-Aryl)-1,2,4-oxadiazol-5-yl]propionamides Using Microwave Irradiation

Molecules, 2006
A one-step, simple and straightforward synthesis of the title amides from the corresponding carboxylic acids, urea and imidazole under microwave irradiation is described.
Rajendra M. Srivastava, Ricardo A.W. Neves   +1 more
doaj   +1 more source

Thiocarbamoylimidates as Precursors of New 5‐Amino‐1,2,4‐Triazole and Oxadiazole Derivatives In Silico Prediction of Absorption, Distribution, Metabolism, and Excretion Parameters

ChemPlusChem, EarlyView.
1,2,4‐triazole and oxadiazole motifs are synthesized from thiocarbamoylimidates precursors, under mild conditions (40 °C) in the environmentally friendly water/ethanol reaction medium. The reaction is highly versatile and allows for the introduction of a wide variety of functional groups.
Oumaima Gatri, Thierry Roisnel, Marie Cordier, Vincent Dorcet, Mohamed Lotfi Efrit, Cédric Fischmeister   +5 more
wiley   +1 more source

Microwave Irradiation Promoted Reactions of Orthoesters with Carboxylic Acid Hydrazides. Preparation of 1,3,4-Oxadiazoles [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 1997
Rapid and highly efficient synthesis of 2- or 2,5-substituted 1,3,4-oxadiazoles by the condensation of aryl carboxylic acid hydrazides and orthoesters can be achieved under microwave irradiation using an unmodified commercial over in unsealed vessels.
Mohammad Sadegh Khajavi, Seyed Saheb Sadat Hosseini, Fatemeh Sefidkon   +2 more
doaj  

Unusual Formation of 1,2,4-Oxadiazine Core in Reaction of Amidoximes with Maleic or Fumaric Esters

Molecules, 2022
We have developed a simple and convenient method for the synthesis of 3-aryl- and 3-hetaryl-1,2,4-oxadiazin-5-ones bearing an easily functionalizable (methoxycarbonyl)methyl group at position 6 via the reaction of aryl or hetaryl amidoximes with maleates
Sofia I. Presnukhina, Marina V. Tarasenko, Kirill K. Geyl, Svetlana O. Baykova, Sergey V. Baykov, Anton A. Shetnev, Vadim P. Boyarskiy   +6 more
doaj   +1 more source

Design, synthesis, characterization and computational docking studies of novel sulfonamide derivatives [PDF]

This study reports three novel sulfonamide derivatives 4-Chloro-N-[(4-methylphenyl) sulphonyl]-N-propyl ben- zamide (1A), N-(2-hydroxyphenyl)-4-methyl benzene sulfonamide (1B) and 4-methyl-N-(2-nitrophenyl) ben- zene sulfonamide (1C).
Ashiq, Ayesha, Bokhari, Saleem Ahmed, Khalid, Rana Rehan, Maryam, Arooma, Qureshi, Fahim Ashraf, Rauf, Sadaf Abdul, Saleem, Hira, Siddiqi, Abdul Rauf   +7 more
core   +1 more source

Synthesis, Characterization, and Evaluation of Energetic Properties of 1,2‐bis(5‐(Trifluoromethyl)‐4H‐1,2,4‐triazol‐3‐yl)Diazene

Propellants, Explosives, Pyrotechnics, EarlyView.
ABSTRACT A new azo‐bridged compound with triazole moieties featuring trifluoromethyl groups was synthesized, exhibiting encouraging properties in the field of energetic materials. The new compound was synthesized in two steps from common starting materials using cyclocondensation, followed by oxidation reaction.
Navid Rahman, Klas Meyer, Werner Kraus, Thomas M. Klapötke, Tomasz G. Witkowski   +4 more
wiley   +1 more source

Spatiotemporal Super‐Resolution Imaging of Lipid Metabolism Dynamics in Physiological/Pathological Conditions

Angewandte Chemie, Volume 137, Issue 29, July 14, 2025.
A novel polarity‐sensitive fluorescent probe was developed for the selective targeting of lipid droplets, enabling precise visualization and quantification of lipid metabolism disorders using an integrated STED‐FLIM platform. This probe allows accurate monitoring of lipid metabolism in cellular and pathological contexts, such as atherosclerosis ...
Shixian Cao, Qihang Ding, Caixia Sun, Borbala Codogno, Zhiqiang Liu, Xiaoqiang Yu, Jong Seung Kim, Kang‐Nan Wang   +7 more
wiley   +2 more sources

Synthesis of new 2-amino-1,3,4-oxadiazole derivatives with anti-salmonella typhi activity evaluation

BMC Chemistry, 2020
Reaction of phenyl acetic acid derivatives with thiosemicarbazide in the presence of POCl3 afforded 5-(4-bromobenzyl)-1,3,4-oxadiazole-2-amine 1 and 5-(3-nitrophenyl)-1,3,4-oxadiazole -2-amine 2.
Eid E. Salama
doaj   +1 more source