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Merocyanine Isomers of Spiro[indolino-indolopyrans]: 1H and 13C NMRand X-ray Crystal Structure Study

Silvana Raić ; Department of Organic Chemistry, Faculty of Chemical Engineering and Technology , University of Zagreb, Marulićev trg 20, 10000 Zagreb, Croatia
Jasna Vorkapić-Furač ; Faculty of Food Technology and Biotechnology, Pirotijeva 6, University of Zagreb.Croatia
Antonija Hergold-Brundić ; Laboratory of General and Inorganic Chemistry, Faculty of Science, University of Zagreb, Zvonimirova 8, 10000 Zagreb, Croatia
Ante Nagl ; Laboratory of General and Inorganic Chemistry, Faculty of Science, University of Zagreb, Zvonimirova 8, 10000 Zagreb, Croatia
Mladen Mintas ; Department of Organic Chemistry, Faculty of Chemical Engineering and Technology , University of Zagreb, Marulićev trg 20, 10000 Zagreb, Croatia
Albrecht Mannschreck ; lnstitut fur Organische Chemie, Universitat Regensburg, D-93040 Regensburg, Germany

Puni tekst: engleski, pdf (4 MB) str. 987-996 preuzimanja: 111* citiraj
APA 6th Edition
Raić, S., Vorkapić-Furač, J., Hergold-Brundić, A., Nagl, A., Mintas, M. i Mannschreck, A. (1996). Merocyanine Isomers of Spiro[indolino-indolopyrans]: 1H and 13C NMRand X-ray Crystal Structure Study. Croatica Chemica Acta, 69 (3), 987-996. Preuzeto s https://hrcak.srce.hr/177126
MLA 8th Edition
Raić, Silvana, et al. "Merocyanine Isomers of Spiro[indolino-indolopyrans]: 1H and 13C NMRand X-ray Crystal Structure Study." Croatica Chemica Acta, vol. 69, br. 3, 1996, str. 987-996. https://hrcak.srce.hr/177126. Citirano 29.07.2021.
Chicago 17th Edition
Raić, Silvana, Jasna Vorkapić-Furač, Antonija Hergold-Brundić, Ante Nagl, Mladen Mintas i Albrecht Mannschreck. "Merocyanine Isomers of Spiro[indolino-indolopyrans]: 1H and 13C NMRand X-ray Crystal Structure Study." Croatica Chemica Acta 69, br. 3 (1996): 987-996. https://hrcak.srce.hr/177126
Harvard
Raić, S., et al. (1996). 'Merocyanine Isomers of Spiro[indolino-indolopyrans]: 1H and 13C NMRand X-ray Crystal Structure Study', Croatica Chemica Acta, 69(3), str. 987-996. Preuzeto s: https://hrcak.srce.hr/177126 (Datum pristupa: 29.07.2021.)
Vancouver
Raić S, Vorkapić-Furač J, Hergold-Brundić A, Nagl A, Mintas M, Mannschreck A. Merocyanine Isomers of Spiro[indolino-indolopyrans]: 1H and 13C NMRand X-ray Crystal Structure Study. Croatica Chemica Acta [Internet]. 1996 [pristupljeno 29.07.2021.];69(3):987-996. Dostupno na: https://hrcak.srce.hr/177126
IEEE
S. Raić, J. Vorkapić-Furač, A. Hergold-Brundić, A. Nagl, M. Mintas i A. Mannschreck, "Merocyanine Isomers of Spiro[indolino-indolopyrans]: 1H and 13C NMRand X-ray Crystal Structure Study", Croatica Chemica Acta, vol.69, br. 3, str. 987-996, 1996. [Online]. Dostupno na: https://hrcak.srce.hr/177126. [Citirano: 29.07.2021.]

Sažetak
The synthesis of stable merocyanine isomers 4 and 5 of the corresponding spiro[indolino-indolopyrans] is described. The structure
of 4 and 5 was deduced on the basis of their lH and 13C NMR spectra.
Geometrical data from X-ray structure analysis show that indolo
and indolino rings in 4 are coplanar with the central diene bridge. The bond length shortening of the central single bond and the heterocyclic moieties indicate an electron delocalization over the whole molecule.

Hrčak ID: 177126

URI
https://hrcak.srce.hr/177126

Posjeta: 204 *