نتایج جستجو برای: benzoxazole derivatives
تعداد نتایج: 105147 فیلتر نتایج به سال:
In the title mol-ecule, C(13)H(10)N(2)O, the dihedral angle between the benzoxazole ring system and the benzene ring is 11.8 (1)°. In the crystal structure, mol-ecules are linked by inter-molecular N-H⋯N hydrogen bonds and π⋯π inter-actions [centroid-centroid distance = 3.6560 (15) Å] to form a two-dimensional network.
The title compound, C(30)H(16)N(4)O(4), reveals [Formula: see text] crystallographic and mol-ecular symmetry and accordingly the asymmetric unit comprises one half-mol-ecule. The dihedral angle between the planes of the two geminal benzoxazole rings is 74.39 (5)°. The packing features weak C-H⋯N and π-π inter-actions [centroid-centroid distance = 3.652 (1) Å].
Benzoxazole nucleus is one of the most important heterocyclic compounds exhibiting remarkable pharmacological activities. The present review provides a broad overview of the synthesis and pharmacological activities such as antimycobacterial, anticonvulsant, anti-inflammatory, anticancer, DNA topoisomerase inhibitor, cholesterol ester transfer protein inhibitor and miscellaneous activities.
An< accurate, stable and very fast corner finder (for feature based vision) has been developed', based on a novel definition of corners, using:no image derivatives. This note describes the algorithm and the results obtained from its use.
High power density lithium ion battery (HLIB) separators were fabricated for the first time from thermally rearranged poly(benzoxazole-co-imide) (TR-PBOI) nanofibrous membranes coated with TR-PBOI nanoparticles, which show distinct thermal and dimensional stabilities as well as excellent cycle retention and rate capability.
Nucleosides spin-labelled with isoindoline-derived benzimidazole ((Im)U) and benzoxazole ((Ox)U) moieties were synthesized and incorporated into DNA oligonucleotides. Both labels display limited mobility in duplex DNA but (Im)U was less mobile, which was attributed to an intramolecular hydrogen bond between the N-H of the imidazole and O4 of the uracil nucleobase.
The benzoxazole derivative gelator forms a stable DMF/toluene cosolvent gel with dramatically enhanced fluorescence emission compared to its mother solution. The translucent colorless gel was changed to a solution with strong greenish fluorescence in the presence of fluoride anion with disruption of the gel structure.
Non-steroidal anti-inflammatory drugs play a major role in pain management. This article discusses the synthesis of thio-Pyrimidine, Benzoxazole, Benzothiazole and Triazole Analogues from Baylis-Hillman Bromides and their in-vitro testing for the activity of cyclooxygenase (COX) inhibition. The results are very encouraging and we can proceed for further investigations regarding their safety, in...
A model for computing image ow in image sequences containing a very wide range of instantaneous ows is proposed. This model integrates the spatio-temporal image derivatives from multiple temporal scales to provide both reliable and accurate instantaneous ow estimates. The integration employs robust regression and automatic scale weighting in a generalized brightness constancy framework. In addi...
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