Zobrazeno 1 - 10
of 173
pro vyhledávání: '"I Koleva"'
Publikováno v:
Molbank, Vol 2024, Iss 3, p M1870 (2024)
A method for the simple preparation of 2-ethoxy-N-propylbenzo[e][1,2]oxaphosphinine-3-carboxamide 2-oxide via an ultrasound technique using catalytic amounts of CuI is reported. The formation of the amide could indicate the isomerization of the forme
Externí odkaz:
https://doaj.org/article/48fe4627fe13426ba6fabb1a0cae0efe
Publikováno v:
Molbank, Vol 2024, Iss 3, p M1875 (2024)
A simple protocol for the preparation of O-acylated enol form (R/S)-ethyl-2-acetoxy-4-phenyl-4H-chromene-3-carboxylate 5 was presented. The compound was characterized by 1H-, 13C-and DEPT135 NMR spectra, including {1H,1H} COSY, {1H,13C} HSQC, {1H,13C
Externí odkaz:
https://doaj.org/article/55d2ce06187e45b4931a0eace6f2a34a
Autor:
Rumen Lyapchev, Ana I. Koleva, Iskra Z. Koleva, Kristian Subev, Ivelina Madzharova, Kristina B. Simeonova, Nevena Petkova-Yankova, Bernd Morgenstern, Vesela Lozanova, Petar Y. Petrov, Rositca D. Nikolova
Publikováno v:
Molecules, Vol 27, Iss 21, p 7649 (2022)
Quantum-chemical calculations on the spectral properties of some aryl substituted 3-phosphonocoumarins were performed, and the effect of the substituents in the aryl moiety was evaluated. The structures possessing promising fluorescent properties wer
Externí odkaz:
https://doaj.org/article/06693d2e6f1e40f694bc7051302e42a3
Autor:
Kristina B. Simeonova, Ana I. Koleva, Anna-Mariya R. Zlatanova, Nevena I. Petkova-Yankova, Hristiyan A. Aleksandrov, Petko St. Petkov, Rositca D. Nikolova
Publikováno v:
Molecules, Vol 27, Iss 21, p 7228 (2022)
In the present study, the reaction conditions for homodimerization process of 3-acetylcoumarin were achieved under sonication using combination of zinc and metallic salt (ZnCl2 or Zn(OAc)2). Appropriate frequency and sound amplitude have been identif
Externí odkaz:
https://doaj.org/article/f729f201815a43349c2db9d195fa28bb
Autor:
I., Koleva1,2,3 yvette@cc.bas.bg, A., Alexiev3, D., Leikuse2 irena.kaminska@du.lv, B. R., Yoshinov4 dr.yvette.5@gmail.com, R. R., Yoshinov5
Publikováno v:
Proceedings of the International Scientific Conference of Daugavpils University / Daugavpils Universitates Starptautiskas Zinatniskas Konferences Materiali. 2021, Issue 63, p55-64. 10p.
Autor:
I., Koleva1,2 yvette@cc.bas.bg, V., Eneva1, I., Kaminska2 irena.kaminska@du.lv, T., Asenova3, B. R., Yoshinov3 dr.yvette.5@gmail.com
Publikováno v:
Proceedings of the International Scientific Conference of Daugavpils University / Daugavpils Universitates Starptautiskas Zinatniskas Konferences Materiali. 2021, Issue 63, p76-87. 12p.
Autor:
I., Koleva1,2 yvette@cc.bas.bg, N., Zvetkova1,3, I., Kaminska2 irena.kaminska@du.lv, B. R., Yoshinov4 dr.yvette.5@gmail.com
Publikováno v:
Proceedings of the International Scientific Conference of Daugavpils University / Daugavpils Universitates Starptautiskas Zinatniskas Konferences Materiali. 2021, Issue 63, p65-75. 11p.
Autor:
B E Stahli, M Schindler, V L Cammann, K A Szawan, V Schweiger, D Niederseer, A Schonberger, M Schonberger, I Koleva, J C Mercier, V Petkova, M Wurdinger, F Ruschitzka, J R Ghadri, C Templin
Publikováno v:
European Heart Journal. 43
Background/Introduction Cardiac biomarker elevations are frequently observed in Takotsubo syndrome (TTS). The clinical relevance of cardiac troponin (cTn) elevations in TTS patients remains uncertain and threshold values indicating clinically relevan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::907c8880b6b384f63183f2eb5a7d6271
https://doi.org/10.1093/eurheartj/ehac544.1466
https://doi.org/10.1093/eurheartj/ehac544.1466
Autor:
B Stahli, V L Cammann, M Schindler, V Schweiger, K A Szawan, D Niederseer, M Wurdinger, A Schonberger, M Schonberger, I Koleva, J C Mercier, V Petkova, F Ruschitzka, J R Ghadri, C Templin
Publikováno v:
European Heart Journal. 43
Background/Introduction The obesity paradox has been described in different cardiovascular conditions. Data on the association between obesity and outcomes in patients with Takotsubo syndrome (TTS) are lacking. Purpose The aim of this study was to de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3539f6a0627b705bcec866d0a258181c
https://doi.org/10.1093/eurheartj/ehac544.1465
https://doi.org/10.1093/eurheartj/ehac544.1465
Publikováno v:
Balkan Journal of Medical Genetics, Vol 23, Iss 2, Pp 103-106 (2021)
Balkan Journal of Medical Genetics : BJMG
Balkan Journal of Medical Genetics : BJMG
The aim of this case report was to show the consequences of pregnancy in a cystic fibrosis (CF) patient with a rare mutation. We present a case of a patient with CF, pregnant for the second time, who gave birth to a healthy child. Her mutation status
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7fbc9301e4d8be0ac67122e9284fa11a
https://doaj.org/article/f545892965804281aef6cdf13b22bb9c
https://doaj.org/article/f545892965804281aef6cdf13b22bb9c