Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Hamdi Özkan"'
Autor:
Hamdi ÖZKAN
Publikováno v:
Süleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, Vol 14, Iss 2, Pp 384-394 (2019)
Tetrazoller heterosiklik bileşiklerdir. Tetrazol halkası içeren bileşikler, antiviral, antibakteriyel, antifungal, antialerjik, antiülser, antikonvülsan, antiinflamatuar, antitüberküloz gibi farmakolojik etkinliklerinden dolayı ilaç sentezi
Externí odkaz:
https://doaj.org/article/872575344849457eae79d3066f048243
Autor:
Orhan Büyükgüngör, Serkan Yavuz, Mustafa Odabaşoğlu, Hamdi Özkan, Özgür Pamir, Yılmaz Yıldırır
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 9, Pp o2207-o2207 (2009)
In the title compound, C14H16BrNO5, the isoxazolidine ring adopts an envelope conformation, with the N atom at the flap. In the crystal, intermolecular C—H...N and C—H...O hydrogen bonds generate R33(18) ring motifs which are fused into a ribbon-
Externí odkaz:
https://doaj.org/article/4dcb94d30b7b4846b9d217891cb7f98b
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 4, Pp o806-o807 (2009)
In the molecule of the title compound, C15H19NO5, the isoxazole ring adopts an envelope conformation. In the crystal structure, weak intermolecular C—H...O and C—H...N hydrogen bonds link the molecules, in which they may be effective in the stabi
Externí odkaz:
https://doaj.org/article/1af7ddefaf0c43049cf369c217c844cc
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 4, Pp o862-o863 (2009)
In the molecule of the title compound, C17H16N2O3S, the phenyl ring is oriented with respect to the thiophene and succinimide rings at dihedral angles of 88.08 (3) and 57.81 (3)°, respectively; the dihedral angle between the thiophene and succinimid
Externí odkaz:
https://doaj.org/article/7f5a005f1ed34343b8049167dca0507f
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 8, Pp o1423-o1424 (2008)
The crystal structure of the title compound, C17H16N2O3S, exhibits intramolecular C—H...S and intermolecular C—H...S and C—H...O hydrogen bonds, C—S...N [S...N = 3.033 (2) Å and C—S...N = 142.76 (9)°] interactions, and C—H...π interact
Externí odkaz:
https://doaj.org/article/4dce5d9bcf78480eaa36a6318ef9bbcf
Autor:
Hamdi Özkan, Bayram Demirci
Publikováno v:
Journal of Heterocyclic Chemistry. 56:2528-2535
In the present work, we synthesized new sulfonamide derivatives with 1,3,4-oxadiazole moiety and tetrazole ring. The synthesized derivatives of sulfonamides were characterized through Fourier transform infrared, C-13-APT-NMR, H-1-NMR, and high-resolu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2325eccc8119c18de5c7e1b2c9faefde
https://doi.org/10.1002/jhet.3647
https://doi.org/10.1002/jhet.3647
Autor:
Hamdi Özkan, Şevki Adem
Publikováno v:
ChemistrySelect
Chemistryselect
Chemistryselect
A series of novel Norcantharimide derivatives were synthesized and their structures were characterized by FTIR, 1H and 13C NMR spectroscopy as well as elemental analyses. The absorption, distribution, metabolism and excretion (ADME) properties of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f76993f94c274b64e7e50402bc312e58
https://avesis.gazi.edu.tr/publication/details/1c5a6f00-959a-4e74-91f0-7ff2f0c24c12/oai
https://avesis.gazi.edu.tr/publication/details/1c5a6f00-959a-4e74-91f0-7ff2f0c24c12/oai
Publikováno v:
Medicinal Chemistry Research. 27:2027-2033
In this study, a series of new adenine derivatives possessing 1,3,4-oxadiazole moiety with different S-alkyl group were synthesized. The structures of these compounds were established on the basis of FT-IR, H-1, C-13-APT NMR, and HRLC-MS spectral dat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ba66a8fd45423e5a6e83541c4ef5114
https://doi.org/10.1007/s00044-018-2211-z
https://doi.org/10.1007/s00044-018-2211-z
Publikováno v:
Journal of Heterocyclic Chemistry. 50:1437-1440
The substituted pyrolidine derivatives with high stereoselectivity were obtained through cycloaddition reaction in the presence of a Lewis acid namely diethylzinc by solvent-free grinding method.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db54e2dedc8815e16c1b13a756fe0bdf
https://doi.org/10.1002/jhet.1540
https://doi.org/10.1002/jhet.1540
Publikováno v:
Molecules; Volume 16; Issue 8; Pages: 6677-6683
Molecules, Vol 16, Iss 8, Pp 6677-6683 (2011)
Molecules
Molecules, Vol 16, Iss 8, Pp 6677-6683 (2011)
Molecules
A simple, fast, efficient and eco-friendly procedure was developed for the synthesis of alkyl and aryl-N-methylnitrones. The corresponding nitrones of aromatic aldehydes, aliphatic aldehydes and alicyclic carbonyl compounds were prepared from N-methy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de6262e0b80fd6971f2383163c03b921
https://doi.org/10.3390/molecules16086677
https://doi.org/10.3390/molecules16086677