Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Bozhanka Mikhova"'
Autor:
Denista Yancheva, Emiliya Cherneva, Markus Quick, Bozhanka Mikhova, Boris Shivachev, Rosica Nikolova, Aleksandra Djordjevic, Monika Untergehrer, Guido Jürgenliemk, Birgit Kraus, Andrija Smelcerovic
Publikováno v:
Acta Chimica Slovenica, Vol 62, Iss 3, Pp 689-699 (2015)
Three novel N-(α-bromoacyl)-α-amino esters, methyl 2-(2-bromo-3-methylbutanamido)pentanoate (1), methyl 2-(2-bromo-3-methylbutanamido)-2-phenylacetate (2) and methyl 2-(2-bromo-3-methylbutanamido)-3-phenylpropanoate (3) were synthesized. Single cry
Externí odkaz:
https://doaj.org/article/9f52404195d9414b8c6e94f9d4b15d35
Autor:
R. P. Nikolova, Emiliya Cherneva, Andrija Smelcerovic, Guido Jürgenliemk, Boris Shivachev, D. Yancheva, Monika Untergehrer, Aleksandra Djordjevic, Birgit Kraus, Bozhanka Mikhova, Markus Quick
Publikováno v:
Acta Chimica Slovenica, Vol 62, Iss 3, Pp 689-699 (2015)
Three novel N-(α-bromoacyl)-α-amino esters, methyl 2-(2-bromo-3-methylbutanamido)pentanoate (1), methyl 2-(2-bromo-3-methylbutanamido)-2-phenylacetate (2) and methyl 2-(2-bromo-3-methylbutanamido)-3-phenylpropanoate (3) were synthesized. Single cry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54d0f1a7cb5230a04f1d68c3f1b4d2ac
https://journals.matheo.si/index.php/ACSi/article/view/1418
https://journals.matheo.si/index.php/ACSi/article/view/1418
Autor:
Aleksandra Djordjevic, Bozhanka Mikhova, Lalka I. Daskalova, Emiliya Cherneva, Denitsa Yancheva, Zaklina Smelcerovic, Andrija Smelcerovic
Publikováno v:
Journal of Molecular Structure. 1016:147-154
Cyclodepsipeptides are known to exhibit a broad spectrum of biological activities and present a great potential for pharmacological application. A novel didepsipeptide member of the family, 6-(propan-2-yl)-3-methyl-morpholine-2,5-dione, was synthesiz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c70e89d8fd685779199b62bbcadaaed
https://doi.org/10.1016/j.molstruc.2012.02.057
https://doi.org/10.1016/j.molstruc.2012.02.057
Publikováno v:
Natural Product Research. 23:916-924
From the n-butanol soluble fraction of the methanol extract of the rhizomes of Smilax excelsa, three new furostanol saponins 3-O-[4-O-acetyl-alpha-L-rhamnopyranosyl-(1 --2)-{alpha-L-rhamnopyranosyl-(1 --4)}-beta-D-glucopyranosyl]-26-O-[beta-D-glucopy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::daff1aad6e72b9a1f31624556308f0ed
https://doi.org/10.1080/14786410802624827
https://doi.org/10.1080/14786410802624827
Publikováno v:
Biochemical Systematics and Ecology. 35:852-858
The flower heads of Achillea distans afforded nine new sesquiterpene lactones (one glaucolide, six guaianolides and two dimeric lactones) in addition to 18 known terpenoids. The structures and stereochemistry of the new compounds were elucidated by s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a0bb78504219287a84ca1108fdc1f23
https://doi.org/10.1016/j.bse.2007.03.019
https://doi.org/10.1016/j.bse.2007.03.019
Autor:
Antonina Vitkova, Helmut Duddeck, Milka Todorova, Bozhanka Mikhova, Mincho E. Anchev, Antoaneta Trendafilova
Publikováno v:
Biochemical Systematics and Ecology. 34:136-143
Fifteen new sesquiterpene lactones (nine guaianolides and six germacranolides), in addition to seven known lactones have been isolated from the flower heads of Achillea asplenifolia Vent. of Bulgarian origin. The structures and stereochemistry were e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::034b13314883ce5fdd2c3385cf32d4ba
https://doi.org/10.1016/j.bse.2005.08.006
https://doi.org/10.1016/j.bse.2005.08.006
Publikováno v:
Fitoterapia. 76:344-347
The methanol, petroleum ether, ethyl acetate and water-methanol extracts of Ruta graveolens were found to possess antimicrobial and cytotoxic activities.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dd148d8919d1c2f27d3238eb463f328
https://doi.org/10.1016/j.fitote.2005.02.008
https://doi.org/10.1016/j.fitote.2005.02.008
Autor:
Iva Tzvetkova, Angel Konakchiev, Hristo Najdenski, Antonina Vitkova, Helmut Duddeck, Milka Todorova, Bozhanka Mikhova
Publikováno v:
Journal of Essential Oil Bearing Plants. 8:318-323
The essential oil composition of Achillea asplenifolia Vent. flower heads of Bulgarian origin is analysed by GC and GC-MS. The main constituents of the oil were chamazulene (25.6%), β-pinene (21.4%), sabinene (15.9%), and β-caryophyllene (11.3%). A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4491db66b83c022fe7cbbf201e1a6d5
https://doi.org/10.1080/0972060x.2005.10643459
https://doi.org/10.1080/0972060x.2005.10643459
Publikováno v:
Zeitschrift für Naturforschung-Section C Journal of Biosciences 59 (2004), Nr. 3-4
The aerial parts of Carthamus lanatus (Asteraceae) afforded four new oxygenated bisabolane fucosides, 10-hydroperoxy-bisabola-2,11-diene 7-O-beta-D-fucopyranoside, 11-hydro-peroxy-bisabola-2,9-diene 7-O-beta-D-fucopyranoside, 10-hydroxy-bisabola-2,11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59013cd73e2b3cec490d22bf16060685
https://doi.org/10.1515/znc-2004-3-422
https://doi.org/10.1515/znc-2004-3-422
Publikováno v:
Zeitschrift für Naturforschung-Section C Journal of Biosciences 58 (2003), Nr. 11-12
The clastogenic effect of total dichloromethane, methanol and water extracts, four bioactive fractions and three individual constituents from Carthamus lanatus aerial parts were evaluated in mice by bone marrow chromosome aberration assay with mitomy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98eec1ae5e3d0431dcf1efa917d81879
https://doi.org/10.1515/znc-2003-11-1216
https://doi.org/10.1515/znc-2003-11-1216