dc.contributor.author | Kalogirou, Andreas S. | en |
dc.contributor.author | Michaelidou, Sophia S. | en |
dc.contributor.author | Koyioni, Maria G. | en |
dc.contributor.author | Koutentis, Panayiotis Andreas | en |
dc.creator | Kalogirou, Andreas S. | en |
dc.creator | Michaelidou, Sophia S. | en |
dc.creator | Koyioni, Maria G. | en |
dc.creator | Koutentis, Panayiotis Andreas | en |
dc.date.accessioned | 2019-11-21T06:19:43Z | |
dc.date.available | 2019-11-21T06:19:43Z | |
dc.date.issued | 2015 | |
dc.identifier.uri | http://gnosis.library.ucy.ac.cy/handle/7/55633 | |
dc.description.abstract | Abstract The cyclisation reactions of 2-(4-chloro-5H-1,2,3-dithiazol-5-ylidene-amino)phenol (5a), 3-(4-chloro-5H-1,2,3-dithiazol-5-ylideneamino)pyridin-2-ol (5b) and 2-(4-chloro-5H-1,2,3-dithiazol-5-ylideneamino)pyridin-3-ol (5c) are investigated. Thermolysis in hot PhCl (132 °C) or under solvent free conditions at ca. 200 °C gave benzo[d]oxazole-2-carbonitrile (4a), oxazolo[5,4-b]pyridine-2-carbonitrile (4b) and oxazolo[4,5-b]pyridine-2-carbonitrile (4c) in high yields, while treatment with either NaH in dry THF at 66 °C or with i-Pr2NEt in DCM at 20 °C gave benzo[b][1,2,3]dithiazolo[5,4-e][1,4]oxazine (6a), [1,2,3]dithiazolo[5,4-e]pyrido[2,3-b][1,4]oxazine (6b) and oxazolo[4,5-b]pyridine (4c), respectively. The transformation of benzoxazine 6a and the pyridoxazine 6b into the corresponding oxazoles 4a and 4b was also investigated, and tentative mechanistic pathways for these transformations are proposed. © 2014 Elsevier Ltd. | en |
dc.source | Tetrahedron | en |
dc.source.uri | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84939271204&doi=10.1016%2fj.tet.2014.12.046&partnerID=40&md5=212771e1613948bb0d99012c254b234f | |
dc.subject | priority journal | en |
dc.subject | unclassified drug | en |
dc.subject | Article | en |
dc.subject | Oxazoles | en |
dc.subject | lysis | en |
dc.subject | drug synthesis | en |
dc.subject | nuclear magnetic resonance spectroscopy | en |
dc.subject | heating | en |
dc.subject | ultraviolet spectroscopy | en |
dc.subject | proton nuclear magnetic resonance | en |
dc.subject | nitrogen | en |
dc.subject | thermostability | en |
dc.subject | cyclization | en |
dc.subject | mass spectrometry | en |
dc.subject | thiazole derivative | en |
dc.subject | Thermolysis | en |
dc.subject | differential scanning calorimetry | en |
dc.subject | Human echovirus 1 | en |
dc.subject | Ring transformations | en |
dc.subject | Sulfur-nitrogen heterocycles | en |
dc.subject | [1,2,3]dithiazolo[5,4 e]pyrido[2,3 b][1,4]oxazine | en |
dc.subject | 2 (4 chloro 5h 1,2,3 dithiazol 5 ylidene amino)phenol | en |
dc.subject | 2 (4 chloro 5h 1,2,3 dithiazol 5 ylideneamino)phenol | en |
dc.subject | 2 (4 chloro 5h 1,2,3 dithiazol 5 ylideneamino)pyridin 3 ol | en |
dc.subject | 2 hydroxy (4 chloro 5h 1,2,3 dithiazol 5 ylideneamino)arene | en |
dc.subject | 3 (4 chloro 5h 1,2,3 dithiazol 5 ylideneamino)pyridin 2 ol | en |
dc.subject | benzo[b][1,2,3]dithiazolo[5,4 e][1,4]oxazine | en |
dc.subject | benzo[d]oxazole 2 carbonitrile | en |
dc.subject | electrophilicity | en |
dc.subject | Fused heterocycles | en |
dc.subject | nitric acid derivative | en |
dc.subject | oxazine derivative | en |
dc.subject | Oxazines | en |
dc.subject | oxazole derivative | en |
dc.subject | oxazolo[4,5 b]pyridine 2 carbonitrile | en |
dc.subject | oxazolo[5,4 b]pyridine 2 carbonitrile | en |
dc.subject | polycyclic aromatic hydrocarbon derivative | en |
dc.title | Ring transformations of 2-hydroxy-(4-chloro-5H-1,2,3-dithiazol-5-ylideneamino)arenes | en |
dc.type | info:eu-repo/semantics/article | |
dc.identifier.doi | 10.1016/j.tet.2014.12.046 | |
dc.description.volume | 71 | |
dc.description.issue | 39 | |
dc.description.startingpage | 7181 | |
dc.description.endingpage | 7190 | |
dc.author.faculty | 002 Σχολή Θετικών και Εφαρμοσμένων Επιστημών / Faculty of Pure and Applied Sciences | |
dc.author.department | Τμήμα Χημείας / Department of Chemistry | |
dc.type.uhtype | Article | en |
dc.description.notes | <p>Cited By :1</p> | en |
dc.source.abbreviation | Tetrahedron | en |
dc.contributor.orcid | Koutentis, Panayiotis Andreas [0000-0002-4652-7567] | |
dc.contributor.orcid | Koyioni, Maria [0000-0002-2786-7523] | |
dc.contributor.orcid | Kalogirou, Andreas S. [0000-0002-5476-5805] | |
dc.gnosis.orcid | 0000-0002-4652-7567 | |
dc.gnosis.orcid | 0000-0002-2786-7523 | |
dc.gnosis.orcid | 0000-0002-5476-5805 | |