Results 161 to 170 of about 12,947 (217)
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Poly‐1,3,4‐oxadiazoles. III. Alicyclic poly‐1,3,4‐oxadiazoles
Die Makromolekulare Chemie, 1966AbstractSome alicyclic poly‐1,3,4‐oxadiazoles were prepared from cycloalkanedicarboxylic dihydrazides or from cycloalkanedicarboxylic acids and hydrazine sulfate by solution polycondensation in polyphosphoric acid. These polymers were characterized by high melting temperature.
Yoshio Iwakura +2 more
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European Journal of Medicinal Chemistry, 2009 A new class of 1,3,4-oxadiazoles were prepared from acid hydrazides on treatment with different carboxylic acids in the presence of phosphorus oxychloride.
Adivireddy Padmaja, P Kondaiah
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A Derivative of 1,3,4-Oxadiazole
Acta Crystallographica Section C Crystal Structure Communications, 1995The molecules of title compound, 2-(4-chloroanilino)-5-(4-pyridyl)-1,3,4-oxadiazole, C 13 H 9 ClN 4 O, are nearly planar with a maximum deviation of 0.094 (2) A from the plane. Intermolecular N(1)-H...N(4') hydrogen bonds link the molecules into chains [N(1)...N(4')= 2.902 (3) A, N(1)-H...N(4')=178 (2)°].
X. Wang +4 more
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The Journal of Physical Chemistry C, 2010
The photophysical properties of a series of 9,9′-dioctylfluorene copolymers containing 1,3,4-oxadiazole units (PF1Ox, PF2Ox, PF3Ox, and PF4Ox) as well as a copolymer containing 9,9-dioctylfluorene, 1,3,4-oxadiazole, and N-octylcarbazole (PFOxCz) have been characterized by fluorescence and time-resolved absorption spectroscopy.
Maykel de Miguel +3 more
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The photophysical properties of a series of 9,9′-dioctylfluorene copolymers containing 1,3,4-oxadiazole units (PF1Ox, PF2Ox, PF3Ox, and PF4Ox) as well as a copolymer containing 9,9-dioctylfluorene, 1,3,4-oxadiazole, and N-octylcarbazole (PFOxCz) have been characterized by fluorescence and time-resolved absorption spectroscopy.
Maykel de Miguel +3 more
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Synthesis of 5-Trimethylsilylethynyl-1,3,4-oxadiazoles
Russian Journal of Organic Chemistry, 2003AbstractFor Abstract see ChemInform Abstract in Full Text.
M. M. Demina +4 more
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1,3,4-Oxadiazole: A Biologically Active Scaffold
Mini-Reviews in Medicinal Chemistry, 2012There has been considerable interest in the development of novel compounds with anticonvulsant, antidepressant, analgesic, anti-inflammatory, antiallergic, antipsychotic, antimicrobial, antimycobecterial, antitumour, antiviral and antitubercular activities. 1,3,4-oxadiazoles constitute an important class of compounds for new drug development. Therefore,
H, Khalilullah +4 more
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Tetrahedron, 2008
Abstract The reactivity of 2-aryl-5-trimethylsilyl-1,3,4-oxadiazoles toward different types of electrophiles was investigated. These silanes readily react with chlorine, bromine, aliphatic acyl chlorides, 2-nitrobenzenesulfenyl chloride, and some reactive isocyanates affording the corresponding substituted 1,3,4-oxadiazoles.
Evgenij V Zarudnitskii +1 more
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Abstract The reactivity of 2-aryl-5-trimethylsilyl-1,3,4-oxadiazoles toward different types of electrophiles was investigated. These silanes readily react with chlorine, bromine, aliphatic acyl chlorides, 2-nitrobenzenesulfenyl chloride, and some reactive isocyanates affording the corresponding substituted 1,3,4-oxadiazoles.
Evgenij V Zarudnitskii +1 more
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Keto-1,3,4-oxadiazoles as cathepsin K inhibitors
Bioorganic & Medicinal Chemistry Letters, 2006AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
James T, Palmer +6 more
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