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pro vyhledávání: '"Codruţa C. Paraschivescu"'
Autor:
Codruţa C. Paraschivescu, Florea Dumitraşcu, Constantin Drăghici, Lavinia L. Ruţă, Mihaela Matache, Ion Baciu, Cristian Dobrotă
Publikováno v:
ARKIVOC, Vol 2008, Iss 13, Pp 198-206 (2008)
Externí odkaz:
https://doaj.org/article/50bcd167fd5f4965ba5c424a93a63f94
Publikováno v:
Journal of Materials Chemistry C. 4:8596-8610
Highly efficient materials for the fabrication of OLEDs have been extensively investigated in terms of properties and convenient synthetic procedures. 2,5-Diaryl-1,3,4-oxadiazoles were found to display suitable structural features in order to act as
Autor:
Constantin Draghici, Codruţa C. Paraschivescu, Lavinia L. Ruţă, Cristian Dobrota, Ion Baciu, Florea Dumitrascu, Mihaela Matache
Publikováno v:
ARKIVOC, Vol 2008, Iss 13, Pp 198-206 (2008)
Scopus-Elsevier
Scopus-Elsevier
A series of new 2,5-disubstituted-1,3,4-oxadiazoles derived from benzo[b]thiophene was obtained by dehydrative cyclization of the corresponding N,N’-diacylhydrazines, in presence of an excess of phosphorous oxychloride. The structures of the new sy
Autor:
Ion Baciu, Codruţa C. Paraschivescu, Ioana Dumitru, Lavinia L. Ruţă, Cristian Dobrota, Mihaela Matache
Publikováno v:
Tetrahedron Letters. 50:1886-1888
2,5-Disubstituted 1,3,4-oxadiazoles have been conveniently prepared by oxidative cyclization of N -acyl- N′ -aryliden-hydrazines promoted by an excess of Dess–Martin periodinane under mild conditions (23 examples, up to 92% isolated yields).