摘要:
Described herein are imidazolyl compounds which either act as pure antiprogestins and methods of using such pure antagonists for gynecological indications and breast cancer.
摘要:
Described herein is an intravaginal drug delivery system. In an embodiment the intravaginal drug delivery system includes a progestin and estrogen compound, and releases the active ingredients in a fixed physiological ratio over a prolonged period of time to produce a contraceptive state in a female.
摘要:
Described herein are bismethylene-17α carbolactone derivatives having progestational and/or antimineralocorticoid and/or aldosterone antagonistic activity. Also described herein are methods of preparing and using these novel compounds.
摘要:
Described herein are 3-(6,6-ethylene-17β-hydroxy-3-oxo-17α-pregna-4-ene-17α-yl)propionic acid γ-lactone derivatives having progestational and aldosterone antagonistic activity. Also described herein are methods of preparing and using these novel compounds.
摘要:
Process for the production of drospirenone (6.beta., 7.beta.; 15.beta., 16.beta.-dimethylene-3-oxo-17.alpha.-pregn-4-ene-21, 17-carbolactone, DRSP) (1) and 7.alpha.-(3-hydroxy-1-propyl)-6.beta., 7.beta.; 15.beta., 16.beta.-dimethylene-5.beta.-androstane-3.beta., 5, 17.beta.-triol (ZK 92836) and 6.beta., 7.beta.; 15.beta., 16.beta.-dimethylene-5.beta.-hydroxy-3-oxo-17.alpha.-androstane-21, 17-carbolactone (ZK 90965) as intermediate products of the process. ##STR1##
摘要:
A process for the production of 1,4,7,10-tetraazacyclododecane (cyclene) and its derivatives on an industrial scale comprises cyclotetramerizing of benzylaziridine that is produced in situ.
摘要:
A new process for the production of .beta.-carbolines by dehydrogenation of tetrahydro-.beta.-carbolines with trichloroisocyanuric acid is described.
摘要:
A process for the production of indole derivatives, which is characterized in that in the presence of phosphoric acid a substitution with an imine is performed, and intermediate products of this process and the production of these intermediate products are described.