Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Eva Šťastná"'
Autor:
Tomáš Trčka, Petr Sedlak, Vladimir Holcman, Alexandr Knápek, Pavel Kaspar, Rashid Dallaev, Dinara Sobola, Eva Šťastná, Klara Castkova
Publikováno v:
Materials . 2021, vol. 14, issue 6, p. 1428-1-1428-12.
Materials
Materials, Vol 14, Iss 1428, p 1428 (2021)
Volume 14
Issue 6
Materials
Materials, Vol 14, Iss 1428, p 1428 (2021)
Volume 14
Issue 6
Modern material science often makes use of polyvinylidene fluoride thin films because of various properties, like a high thermal and chemical stability, or a ferroelectric, pyroelectric and piezoelectric activity. Fibers of this polymer material are,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c890848ba1493bbea81706000a885960
https://hdl.handle.net/11012/196757
https://hdl.handle.net/11012/196757
Publikováno v:
Collection of Czechoslovak Chemical Communications. 76:1141-1161
We have prepared 20-oxo-5α- and 20-oxo-5β-pregnane-3-carboxylic acids by palladium catalyzed alkoxycarbonylation using triflate and nonaflate as the leaving groups in this substitution reaction. The activity of the synthesized compounds was studied
Publikováno v:
Steroids. 75:721-725
A series of keto steroids were reduced with sodium borohydride in the presence of cerium(III) chloride or samarium(III) iodide (Luche reduction). The ratios of axial and equatorial alcohols were determined by HPLC and the results were compared with t
Publikováno v:
Collection of Czechoslovak Chemical Communications. 74:643-650
Sulfamoyl chloride was used for the preparation of 3α- and 3β-sulfamates of steroids: 20-oxo-5α-pregnan-3α-yl sulfamate (4), 20-oxo-5α-pregnan-3β-yl sulfamate (5), 20-oxo-5β-pregnan-3α-yl sulfamate (7), and 20-oxo-5β-pregnan-3β-yl sulfamate
Autor:
Klara Castkova, Jaroslav Kastyl, Dinara Sobola, Josef Petrus, Eva Stastna, David Riha, Pavel Tofel
Publikováno v:
Nanomaterials, Vol 10, Iss 6, p 1221 (2020)
Electrospinning as a versatile technique producing nanofibers was employed to study the influence of the processing parameters and chemical and physical parameters of solutions on poly(vinylidene fluoride) (PVDF) fibers’ morphology, crystallinity,
Externí odkaz:
https://doaj.org/article/1d24f0a6434a42adbc09c659ad6503c0