Search Results - "Kalvoda, Jaroslav"

Synthesis of 5-azaandrostane-3β, 17β-diol protected at the 17-hydroxyl group by Pavlović Vladimir D., Dabović Milan M., Martinović Saša, Lorenc Ljubinka B., Kalvoda Jaroslav

“…In the present paper, the preparation of 3β-hydroxy-17β-dimethyl-tert-butylsilyloxy- 5-azaandrostane (15) in fourteen steps is described. B-nor-17-oxoandrost-…”
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13,14-Seco-steroids: A New Type of Modified Steroids Containing a Nine-Membered Ring by S. Bjelaković, Mira, Lorenc, Ljubinka B., Pavlović, Vladimir D., Mihailović, Mihailo Lj, Tinant, Bernard, Declercq, Jean-Paul, Kalvoda, Jaroslav

“…Oxidations of 14α‐hydroxy‐5α‐cholestan‐3β‐yl acetate (5) with lead tetraacetate under thermal or photolytic conditions or in the presence of iodine proceed…”
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It Started 100 Years Ago: A Short History of the Swiss Chemical Society Es begann vor 100 Jahren: Kurzfassung der Geschichte der Schweizerischen Chemischen Gesellschaft by Jaroslav Kalvoda

“…On August 6th, 1901, the Swiss Chemical Society (SCS) was founded as the first independent association of Swiss chemists, to safeguard their professional…”
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It Started 100 Years Ago: A Short History of the Swiss Chemical Society Es begann vor 100 Jahren: Kurzfassung der Geschichte der Schweizerischen Chemischen Gesellschaft by Jaroslav Kalvoda

“…On August 6th, 1901, the Swiss Chemical Society (SCS) was founded as the first independent association of Swiss chemists, to safeguard their professional…”
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Concept and Development of a Potent Topical Corticosteroid by Jaroslav Kalvoda, Jürgen Grob, Klaus Jäkel, Peter Moser, Hermann Fuhrer, Erich G. Weirich, Shantaram J. Yawalkar

“…In a rational approach to identify an ultrapotent compound for the treatment of therapy-resistant dermatoses, Weirich's modification of McKenzie's skin…”
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Steroid template associated peptides: design, synthesis and 2D NMR characterization of a novel protected 18-Phe,19-Gly-containing steroidal compound by Bjelaković, Mira S., Krstić, Natalija M., Juranić, Nenad, Dabović, Milan M., Gojković, Svetislav V., Kessler, Martin, Kalvoda, Jaroslav, Pavlović, Vladimir D.

“…We report herein the synthesis of a novel modified steroid with two rigidly positioned amino acids in C- and N-protected forms (Gly–O t Bu and N-Fmoc– l-Phe)…”
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Synthesis of 5-azaandrostane-3b,17b-diol protected at the 17b-hydroxyl group by JAROSLAV KALVODA, LJUBINKA B. LORENC, SASA MARTINOVIC, MILAN M. DABOVIC, VLADIMIR D. PAVLOVIC

“…In the present paper, the preparation of 3b-hydroxy-17b-dimethyl-tert-butylsilyloxy-5-azaandrostane (15) in fourteen steps is described…”
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Oxidative Fragmentations of the 5α- and 5β-Hydroxy-B-norcholestan- 3β-yl Acetates by Bjelaković, Mira S., Lorenc, Ljubinka B., Pavlović, Vladimir D., Tinant, Bernard, Declercq, Jean-Paul, Kalvoda, Jaroslav

“…Oxidations of 5α‐hydroxy‐B‐norcholestan‐3β‐yl acetate (8) with Pb(OAc)4 under thermal or photolytic conditions or in the presence of iodine afforded only…”
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Conformations of the Nine-Membered Ring in the B-Nor-5,10-secosteroids. X-Ray and NMR Analysis by Bjelaković, Mira S., Krstić, Natalija M., Tinant, Bernard, Kalvoda, Jaroslav, Csanadi, Janos, Pavlović, Vladimir D.

“…The conformations of (Z)‐ and (E)‐5‐oxo‐B‐nor‐5,10‐secocholest‐1(10)‐en‐3β‐yl acetates (2 and 3, resp.) were examined by a combination of X‐ray…”
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Between basic and applied research: Ciba's involvement in steroids in the 1950s and 1960s by Heusler, Karl, Kalvoda, Jaroslav

“…Through its collaboration with the ETH in Zurich (Ruzicka's group) and later on with the University of Basel (Reichstein's group), Ciba became involved very…”
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Concept and Development of a Potent Topical Corticosteroid by Jaroslav Kalvoda, Jürgen Grob, Klaus Jäkel, Peter Moser, Hermann Fuhrer, Erich G. Weirich, Shantaram J. Yawalkar

“…In a rational approach to identify an ultrapotent compound for the treatment of therapy-resistant dermatoses, Weirich's modification of McKenzie's skin…”
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