Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Hans-Wolfgang Schramm"'
Autor:
Claudia Hödl, Rainer Strommer, Gerhard F. Ecker, Ernst Haslinger, Katrin Raunegger, Rudolf W. Steiner, Wolfgang S L Strauss, Hans-Wolfgang Schramm, Olaf Kunert, Sonja Sturm, Christoph Seger
Publikováno v:
Journal of Medicinal Chemistry. 52:1268-1274
A series of mifepristone derivatives with different "linker groups" in position 4' of the phenyl ring in the 11beta-position of the steroid scaffold (2-41) have been synthesized. Their antigestagenic activites were determined in a cell-based assay (a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aeecaa0b4b07402c1ec775b0c87df278
https://doi.org/10.1021/jm800985z
https://doi.org/10.1021/jm800985z
Publikováno v:
Fitoterapia. 73:22-27
A new pyrrole alkaloid, methyl-(5-formyl-1H-pyrrole-2-yl)-4-hydroxybutyrate (1), was isolated from sweet chestnut seeds and its structure elucidated on the basis of data from NMR spectroscopy and by comparison with synthetic analogues.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e874dee2ce04f729db0279b51476bf3
https://doi.org/10.1016/s0367-326x(01)00344-6
https://doi.org/10.1016/s0367-326x(01)00344-6
Autor:
Hans Wolfgang Schramm, Mitra Matloobi
Publikováno v:
ChemInform. 41
Reaction of the 1-substituted biguanides (I) with benzil (II) under microwave conditions affords the imidazolyl guanidine intermediates (III) as a mixture of tautomers within a few minutes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61614e81a7c0f63ebcd5a4c627608e7e
https://doi.org/10.1002/chin.201044181
https://doi.org/10.1002/chin.201044181
Autor:
Wolfgang S. L. Strauss, Hans Wolfgang Schramm, Helmut Emmert, Reinhard Sailer, Rainer Strommer, Eva Reisinger, Ernst Haslinger, Rudolf W. Steiner
Publikováno v:
ChemInform. 32
Selenium dioxide oxidation allows the selective introduction of a hydroxyl group at position 6 of the steroid skeleton of the antihormone (11β, 17β)-11-(4-dimethylamino-phenyl)-17-hydroxyl-17-(1-propynyl)-estra-4,9-dien-3-one (mifepristone, RU 486)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b628db82a309dd4334aed35f9c78f107
https://doi.org/10.1002/chin.200126191
https://doi.org/10.1002/chin.200126191
Autor:
Hans Wolfgang Schramm, Mitra Matloobi
Publikováno v:
Journal of Heterocyclic Chemistry.
Reaction of the 1-substituted biguanides (I) with benzil (II) under microwave conditions affords the imidazolyl guanidine intermediates (III) as a mixture of tautomers within a few minutes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93eeca2508f398d0a5bbfbeb8b960530
https://doi.org/10.1002/jhet.378
https://doi.org/10.1002/jhet.378
Publikováno v:
Monatshefte f�r Chemie Chemical Monthly. 122:949-957
4-Tolybiguanide reacts with cinnamaldehyde in ethanolic hydrochloric acid atpH 1 to yield 4,6-diamino-1,2-dihydro-1-(4-methylphenyl)-2-styryl-1,3,5-triazin (5·HCl). The structure was established on the basis of NMR-techniques including two-dimension
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f32eaa8e66b98178e1bd8b2411d78334
https://doi.org/10.1007/bf00823425
https://doi.org/10.1007/bf00823425
Autor:
Wolfgang S. L. Strauss, Reinhard Sailer, Hans Wolfgang Schramm, Rainer Strommer, Claudia Hödl, Ernst Haslinger, Christoph Seger
Publikováno v:
ChemInform. 36
Selenium dioxide oxidation of molecules with cyclopentanoperhydrophenanthrene skeleton and allylic moieties, such as the well known human steroidal hormones progesterone and testosterone enables the syntheses of potential active 6β-hydroxysteriods.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::952452bf714520402dabd63d9c959de7
https://doi.org/10.1002/chin.200502191
https://doi.org/10.1002/chin.200502191
Publikováno v:
Liebigs Annalen der Chemie. 1991:973-973
Synthesis of 6-Methoxy-2,5-dimethyl-2H-isoindole-4,7-dione, an Alkaloid from Reniera Species 6-Methoxy-2,5-dimethyl-2H-isoindole-4,7-dione (4) can easily be obtained in high yields in a one-pot synthesis by heating sarcosine (2) and paraformaldehyde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89cf0dddd83061e69778f0dc328d15a8
https://doi.org/10.1002/jlac.1991199101168
https://doi.org/10.1002/jlac.1991199101168
Autor:
Rainer Strommer, Claudia Hödl, Wolfgang Strauss, Reinhard Sailer, Ernst Haslinger, Hans Wolfgang Schramm, Christoph Seger
Publikováno v:
Chemical Monthly / Monatshefte für Chemie; Sep2004, Vol. 135 Issue 9, p1137-1141, 1p