Results 1 to 10 of about 24,259 (231)

5,8-Dimethoxy-3,9-dimethyl-3a,4,9,9a-tetrahydro-4,9-epoxynaphtho[2,3-d]isoxazole

open access: yesActa Crystallographica Section E, 2014
The title compound, C15H17NO4, is the exo isomer with a syn arrangement of the O atom in the isoxazole ring to the methyl group of the bicyclic alkene. The dihedral angle between the isoxazole ring and the benzene ring is 7.42 (9)°.
Alan J. Lough   +2 more
doaj   +1 more source

Facile synthesis of isoxazoles and pyrazoles from ß-diketohydrazones [PDF]

open access: yes, 2009
Indexación: ScieloNew 3,5-dimethyl-4-[(E)-4-(R1-phenyl)diazenyl]isoxazoles and 3,5-dimethyl-1-(R2-phenyl)-4-[(E)-(R1-phenyl)diazenyl]-1H-pyrazoles may be obtained by reaction of 3-[2-(R1-phenyl)hydrazono)]pentane-2,4-dione with H2NOH-HCl and R2-4-C6H4 ...
Bustos, Carlos   +4 more
core   +1 more source

PAR2 modulators derived from GB88 [PDF]

open access: yes, 2016
PAR2 antagonists have potential for treating inflammatory, respiratory, gastrointestinal, neurological, and metabolic disorders, but few antagonists are known.
Barry, Grant D.   +11 more
core   +2 more sources

Ethyl 5-methyl-3-phenylisoxazole-4-carboxylate

open access: yesActa Crystallographica Section E, 2013
In the title compound, C13H13NO3, the dihedral angle between the phenyl and isoxazole rings is 43.40 (13)°. The ethoxycarbonyl group is rotated out of the plane of the isoxazole ring by 16.2 (13)°.
Chandra   +4 more
doaj   +1 more source

Platelet protective efficacy of 3,4,5 trisubstituted isoxazole analogue by inhibiting ROS-mediated apoptosis and platelet aggregation [PDF]

open access: yes, 2016
Thrombocytopenia is a major hematological concern in oxidative stress-associated pathologies and chronic clinical disorders, where premature platelet destruction severely affects the normal functioning of thrombosis and hemostasis.
Basappa, .   +9 more
core   +1 more source

Symmetric 3,5-Pyrazole and Isoxazole Heterocycles Comprising a Bent Core Unit: Synthesis and Mesomorphic Characterisation [PDF]

open access: yes, 2015
The synthesis and characterisation of some new liquid crystalline (LC) heteroaromatic compounds containing the five-membered pyrazole/isoxazole rings is reported. Some of the compounds exhibited enantiotropic LC properties.
Hariprasad, S., Srinivasa, H.T.
core   +1 more source

An anomalous hydration/dehydration sequence for the mild generation of a nitrile oxide [PDF]

open access: yes, 2011
A nitrile oxide containing a carbamoyl group is readily generated upon the treatment of 2-methyl-4-nitro-3-isoxazolin-5(2H)-one with water under mild reaction conditions, even in the absence of special reagents.
884   +19 more
core   +2 more sources

Lewis acid-promoted direct synthesis of isoxazole derivatives

open access: yesBeilstein Journal of Organic Chemistry, 2023
Isoxazole derivatives were synthesized via a one-pot method utilizing 2-methylquinoline derivatives as template substrates, sodium nitrite as a nitrogen-oxygen source, and solely using aluminum trichloride as the additive.
Dengxu Qiu   +3 more
doaj   +1 more source

A repurposing strategy for Hsp90 inhibitors demonstrates their potency against filarial nematodes [PDF]

open access: yes, 2014
Novel drugs are required for the elimination of infections caused by filarial worms, as most commonly used drugs largely target the microfilariae or first stage larvae of these infections.
AL Petersen   +46 more
core   +2 more sources

Synthesis of Some Novel Heterocyclic and Schiff Base Derivatives as Antimicrobial Agents

open access: yesMolecules, 2015
Treatment of 2,3-diaryloxirane-2,3-dicarbonitriles 1a–c with different nitrogen nucleophiles, e.g., hydrazine, methyl hydrazine, phenyl hydrazine, hydroxylamine, thiosemicarbazide, and/or 2-amino-5-phenyl-1,3,4-thiadiazole, afforded pyrazole, isoxazole ...
Mohamed E. Azab   +2 more
doaj   +1 more source

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