Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Penov-Gaši Katarina"'
Autor:
Perišić-Janjić Nada U., Penov-Gaši Katarina M., Djurendić Evgenija A., Savić Marina P., Kovačević Strahinja Z., Jokić Stela D., Podunavac-Kuzmanović Sanja O.
Publikováno v:
Acta Periodica Technologica, Vol 2015, Iss 46, Pp 249-258 (2015)
Quantitative structure-retention relationship (QSRR) method was applied to study the chromatographic behaviour of D-homo-androstene derivatives 1-7. Retention constants (RM 0) of the analysed derivatives were determined by reversed-phase high-perf
Externí odkaz:
https://doaj.org/article/5b5152c213734b94bfb359f1f65544ca
Autor:
Đurendić Evgenija A., Savić Marina P., Jovanović-Šanta Suzana S., Sakač Marija N., Kojić Vesna V., Szécsi Mihály, Oklješa Aleksandar M., Poša Mihalj M., Penov-Gaši Katarina M.
Publikováno v:
Acta Periodica Technologica, Vol 2014, Iss 45, Pp 173-189 (2014)
A simple synthesis of mono- and bis-salicylic acid derivatives 1-10 by the transesterification of methyl salicylate (methyl 2-hydroxybenzoate) with 3-oxapentane-1,5-diol, 3,6- dioxaoctane-1,8-diol, 3,6,9-trioxaundecane-1,11-diol, propane-1,2-diol
Externí odkaz:
https://doaj.org/article/8458074213ba43e48fb5756e172c8ac6
Autor:
Savić Marina P., Penov-Gaši Katarina M., Sakač Marija N., Jakimov Dimitar S., Đurendić Evgenija A.
Publikováno v:
Acta Periodica Technologica, Vol 2013, Iss 44, Pp 289-300 (2013)
An efficient synthesis of several A- and B-modified D-homo lactone androstane derivatives from 3β-hydroxy-17-oxa-D-homoandrost-5-en-16-one (1) is reported. 17-Oxa-Dhomoandrost- 4-ene-3,16-dione (2), obtained by the Oppenauer oxidation of compound
Externí odkaz:
https://doaj.org/article/1c543607ad064cabb602668ea53027ac
Autor:
Penov-Gaši Katarina M., Gaković Andrea R., Ajduković Jovana J., Đurendić-Brenesel Maja Đ., Đurendić Evgenija A., Savić Marina P., Sakač Marija N.
Publikováno v:
Acta Periodica Technologica, Vol 2010, Iss 41, Pp 169-176 (2010)
The work concerns the reactivity of 17β-hydroxy-17α-substituted androstanes 1-9. Depending on the nature of the 17α-substituent, the presence of the neighboring 16-oximino group, and the reagent used, these compounds can undergo retroaddition (10-
Externí odkaz:
https://doaj.org/article/c0fd034d905944748b876ddc5325b42d
Autor:
Gaković Andrea R., Đurendić-Brenesel Maja Đ., Đurendić Evgenija A., Penov-Gaši Katarina M., Sakač Marija N.
Publikováno v:
Hemijska Industrija, Vol 64, Iss 2, Pp 81-84 (2010)
Starting from 3β-acetoxy-17-oxo-16,17-secoandrost-5-ene-16-nitrile (1), 3β-acetoxy-16,17-secoandrost-5-ene-16-nitrile (4) was synthesized by a three-stage procedure. First, the formyl group of compound 1 was reduced, to yield the alcohol 2. Compoun
Externí odkaz:
https://doaj.org/article/4c22ff2b4c13481faf974d4c902f3376
Autor:
Kuhajda Ksenija N., Cvjetićanin Stanko M., Đurendić Evgenija A., Sakač Marija N., Penov-Gaši Katarina M., Kojić Vesna V., Bogdanović Gordana M.
Publikováno v:
Hemijska Industrija, Vol 63, Iss 4, Pp 313-318 (2009)
The new conjugates of selected bile acids (hyocholic (2), deoxycholic (3), hyodeoxycholic (4) and 12-ketocholic (5) acids) with ethyl 11-aminoundecanoate 7, 8, 11, and 13 were synthesized. The conjugation reaction was carried out in ethyl acetate in
Externí odkaz:
https://doaj.org/article/59e47a2b1e5147a7ba2c905c39f587be
Autor:
Petrović Julijana A., Sakač Marija N., Penov-Gaši Katarina M., Pejanović Vjera M., Jovanović-Šanta Suzana S.
Publikováno v:
Acta Periodica Technologica, Vol 2004, Iss 35, Pp 225-230 (2004)
In this paper two synthetic routes for obtaining D-homo-D-aza estratriene derivatives were described. Namely, starting from 3-methoxyestra-1,3,5(10)-trien-16-oximino-17-one (1) 3-methoxy-17-aza-D-homoestra-1,3,5(10)-triene (5) was synthesized in two
Externí odkaz:
https://doaj.org/article/95551fa6bdb64c03aad082d01d0bd413
Autor:
Penov-Gaši Katarina M., Stojanović Srđan Z., Sakač Marija N., Đurendić Evgenija A., Jovanović-Šanta Suzana S., Stanković S., Andrić Nebojša L., Popsavin Mirjana M.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 10, Pp 707-714 (2003)
Starting from 3β-acetoxy-15-cyano-17-oxo-16,17-seco-5-androstene (2) and 3β-acetoxy- 15-cyano-17-hydroxy-17-methyl-16,17-seco-5-androstene (11), new 17-halo-derivatives (5–10 and 13) were obtained. The fluoro derivative 5 was obtained from 17-tos
Externí odkaz:
https://doaj.org/article/ca30705fb8ef46ca8e02ea7284dc78f3
Autor:
Penov-Gaši Katarina M., Kuhajda Ksenija N., Cvjetićanin Stanko M., Đurendić Evgenija A., Medić-Mijačević Ljubica D., Pejanović Vjera M., Sakač Marija N.
Publikováno v:
Acta Periodica Technologica, Vol 2003, Iss 34, Pp 111-118 (2003)
The multistage syntheses of the p-toluenesulphonyloxy esters (1-benzyloxy-4-p-toluenesulphonyloxybutane (3a) 1-benzyloxy-6-p-toluenesulphonyloxyhexane (3b) and 1-benzyloxy-10-p-toluenesulphonyloxydecane (3c)(, alkyl chlorides (1-benzyloxy-4-chlorobut
Externí odkaz:
https://doaj.org/article/e1d9f40384954ac1b7d3a3becbbd6d97
Autor:
Stojanović Srđan, Molnár-Gábor Dora, Medić-Mijačević Ljubica, Sakač Marija, Penov-Gaši Katarina
Publikováno v:
Journal of the Serbian Chemical Society, Vol 66, Iss 1, Pp 23-26 (2001)
Starting from 3 -hydroxy-16-oximino-5-androsten-17-one (1), the recently synthesized 16-oximino-17 -hydroxy-17 -butyl derivative 2 gave by the Beckmann fragmentation reactionwith titanium(III) chloride or p-toluenesulphonyl chloride the correspond
Externí odkaz:
https://doaj.org/article/d4a2210b217a476e8aaeb3c2445a7a12