Search Results - "Schönecker, B"

ω-Pyridiniumalkylethers of steroidal phenols: new compounds with potent antibacterial and antiproliferative activities by Lange, C, Holzhey, N, Schönecker, B, Beckert, R, Möllmann, U, Dahse, H.-M

“…Antibacterial and antiproliferative activity in dependence on the alkyl chain length. Novel ω-pyridiniumalkylethers of two steroidal phenols were synthesized…”
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Novel (N-ferrocenylmethyl)amines and (N-ferrocenylmethylen)imines derived from vicinal steroid amino alcohols and amines : Synthesis, molecular structure, and biological activity by KRIEG, R, WYRWA, R, MÖLLMANN, U, GÖRLS, H, SCHÖNECKER, B

“…Novel steroidal (N-ferrocenylmethyl)amines with potential biologic activity and of potential interest as chiral ligands for metal complexation were…”
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Synthesis and biological activities of 2α-chloro-1-epicalcitriol and 1-epicalcitriol by Schönecker, Bruno, Reichenbächer, Manfred, Gliesing, Sabine, Gonschior, Manuela, Griebenow, Sirid, Scheddin, Dietmar, Mayer, Hubert

“…Anomalous diequatorial epoxide ring opening of 1β,2β-oxido-cholesta-5,7-diene-3β,25-diol 1 produces the 1β-hydroxy-2α-chloro-provitamin 2 and its corresponding…”
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Arylmethylamino steroids as novel antiparasitic agents by Krieg, R, Jortzik, E, Goetz, Alice-Anne, Blandin, Stephanie, Wittlin, S, Elhabiri, Mourad, Rahbari, M, Nuryyeva, S, Voigt, K, Dahse, H, Brakhage, A, Beckmann, S, Quack, T, Grevelding, C, Pinkerton, A, Schönecker, B, Burrows, J, Davioud-Charvet, Elisabeth, Rahlfs, S, Becker, K

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Steroids as chiral model compounds for selective reactions with metals by Schönecker, B., Lange, C.

“…Our work on reactions with nickelacycles, (π-allyl) zircon-oxy-carbene complexes, iron tricarbonyl complexes, the Ru-catalyzed synthesis of…”
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O-Silylated steroidal cis-aminoalcohols as chiral auxiliaries: highly diastereoselective Pd-catalyzed cyclopropanation of α,β-unsaturated aldimines by Dubs, M., Dieks, H., Günther, W., Kötteritzsch, M., Poppitz, W., Schönecker, B.

“…α,β-Unsaturated imines, obtained from cis-17-silyloxy-16-amino steroids and α,β-unsaturated aldehydes, react with diazomethane in the presence of a catalytic…”
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The Stereoselective Ru3(CO)12-Catalyzed Synthesis of Steroidal 1,3-Dihydropyrrol-2-one Derivatives from α,β-Unsaturated Imines, Carbon Monoxide and Ethylene by Imhof, Wolfgang, Berger, Daniel, Kötteritzsch, M., Rost, M., Schönecker, B.

“…The reaction of α,β‐unsaturated imines, derived from steroidal amines and cinnamaldehyde, with carbon monoxide and ethylene leads to the formation of steroids…”
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ω-Pyridiniumalkylethers of steroidal phenols: new compounds with potent antibacterial and antiproliferative activities by LANGE, C, HOLZHEY, N, SCHÖNECKER, B, BECKERT, R, MÖLLMANN, U, DAHSE, H.-M

“…Novel omega-pyridiniumalkylethers of two steroidal phenols were synthesized as compounds with potential antimicrobial activity…”
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Reactions of the four diastereomeric 16-amino-17-hydroxy-3-methoxy-estra-1,3,5(10)-trienes with aromatic ortho-hydroxy and heteroaromatic α-aldehydes and with 1,3-dicarbonyl compounds—molecular structures of condensation products and of copper(II) complexes by Dubs, Manuela, Krieg, Reimar, Görls, Helmar, Schönecker, Bruno

“…Vicinal amino alcohols of steroids have been used as starting materials for the synthesis of chiral ligands with defined arrangements of functional groups…”
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Increased survival and reproductive success associated with stereotypical behaviours in laboratory-bred bank voles ( Clethrionomys glareolus) by Schonecker, B

“…The aim of this study was to examine whether voles performing stereotypic behaviours (Ster) differed in physical welfare from voles, which did not develop…”
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Handling-induced tonic/clonic seizures in captive born bank voles ( Clethrionomys glareolus) by Schonecker, B

“…Handling-induced seizures observed among 23 of 333 captive born bank voles was characterized by tonic/clonic convulsions, occasionally accompanied by an…”
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Influence of various estrogens on biotransformation: affinity to cytochrome P-450, structure activity relationships, and scavenger function by Gernhardt, S, Karge, E, Schönecker, B, Klinger, W

“…Nine natural and synthetic estrogens all derived from endogenous 17 beta-estradiol, were tested for their affinity to cytochrome P-450 (P450). Binding spectra…”
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Biomimetic Hydroxylation of Nonactivated CH2 Groups with Copper Complexes and Molecular Oxygen by Schönecker, Bruno, Zheldakova, Tatjana, Liu, Yong, Kötteritzsch, Manuela, Günther, Wolfgang, Görls, Helmar

“…Copper(I) complexes with steroidal ligands (see formula) undergo regio‐ and stereoselective γ‐hydroxylation in the 12β‐position of the steroid in the presence…”
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synthesis and biological activities of 2β-chloro-, 2β-fluoro-, and 2β-methoxy-1α, 25-dihydroxyvitamin D3 by SCHEDDIN, D, MAYER, H, SCHÖNECKER, B, GLIESING, S, REICHENBÄCHER, M

“…Using 1 alpha,2 alpha-oxido-cholesta-5,7-diene-3 beta,25-diol (2) as a starting material, the provitamins of calcitriol with an additional 2 beta-chloro-, 2…”
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Copper-mediated regio- and stereoselective 12β-hydroxylation of steroids with molecular oxygen and an unexpected 12β-chlorination by Schönecker, Bruno, Lange, Corinna, Zheldakova, Tatjana, Günther, Wolfgang, Görls, Helmar, Vaughan, Gavin

“…It is shown, that copper(I) complexes of 17-(2-iminomethyl)pyridino steroids (17-IMPY steroids) can react with molecular oxygen followed by a regio- and…”
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Conformational Design for 13α-Steroids by Schönecker, Bruno, Lange, Corinna, Kötteritzsch, Manuela, Günther, Wolfgang, Weston, Jennie, Anders, Ernst, Görls, Helmar

“…The diastereomeric 16-bromo- and 16-azido-17-alcohols 5−8, 11, 12, 16, and 17 and 17-ketones 3, 4, 9, and 10 of the 13α-estra-1,3,5(10)-triene series were…”
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Intramolecular γ-Hydroxylations of Nonactivated CH Bonds with Copper Complexes and Molecular Oxygen by Schönecker, Bruno, Zheldakova, Tatjana, Lange, Corinna, Günther, Wolfgang, Görls, Helmar, Bohl, Martin

“…Copper(I) complexes incorporating the isomeric bidentate ligands IMPY (iminomethyl‐2‐pyridines) or AMPY (aminomethylene‐2‐pyridines) are quite unusual in their…”
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Synthesis and biological activities of 26-hydroxy-27-nor-derivatives of 1α,25-dihydroxyvitamin D3 by SCHEDDIN, D, MAYER, H, WITTMANN, S, SCHÖNECKER, B, GLIESING, S, REICHENBÄCHER, M

“…Starting with (20S)-20-(p-toluenesulfonyl)oxymethyl-pregna-1, 5-dien-3 alpha-ol (4), we synthesized three vitamin D analogs in 10 to 11 steps: 1 alpha,…”
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Mass spectrometry of ring D hydroxylated 3-methoxy-1,3,5(10)-estratrienes by Schade, W, Ihn, W, Vokoun, J, Schönecker, B, Schubert, G

“…Mass spectra and fragmentation patterns of the epimeric 17-, 16-, 15- and 14-hydroxy derivatives of 3-methoxy-1,3,5(10)-estratriene are compared. The main…”
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1H-NMR-studies. Use of trichloroacetyl isocyanate in structural analysis of secondary steroid alcohols. 47. Steroids by Schönecker, B, Tresselt, D

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