摘要:
Novel, therapeutically active 21-aminosteroids of formula (I) ##STR1## with pregnane skeleton, are disclosed wherein two of X, Y and Z are a nitrogen atom each and the third one is a methine group; R.sup.1 and R.sup.2 are independently from each other, a primary amino group bearing as substituent a branched-chain C.sub.4-8 alkyl -alkenyl or -alkynyl group, or a C.sub.4-10 cycloalkyl group comprising 1 to 3 ring(s) and being optionally substituted by at least one C.sub.1-3 alkyl group; or R.sup.1 and R.sup.2 are each a spiro-heterocyclic secondary amino group containing at most 10 carbon atoms and optionally at least one oxygen atom as additional heteroatom; or one of R.sup.1 and R.sup.2 is an unsubstituted heterocyclic secondary amino group containing 4 to 7 carbon atoms and the other one is an above-identified primary amino group, an above-identified spiro-heterocyclic secondary amino group, or a heterocyclic secondary amino group containing 4 to 7 carbon atoms and substituted by at least one C.sub.1-4 alkyl group; and n is 1 or 2, as well as their acid addition salts and pharmaceutical compositions containing these compounds.
摘要:
9 alpha, 11 beta and 11 beta-substituted estranes are disclosed which exhibit elevated estrogenic and postcoital contraceptive activities. A process for their manufacture and their use in pharmaceuticals is also disclosed.
摘要:
Pharmaceutical composition for administration primarily to the respiratory tract when treating and controlling anti-inflammatory conditions comprising liposomes in combination with a compound of the formula ##STR1## and R.sup.1 is a saturated or unsaturated, straight or branched alkyl group with 11-19 carbon atoms and R is H, --COCH.sub.3, --COC.sub.2 H.sub.5, --CO(CH.sub.2).sub.2 CH.sub.3 or --CO(CH.sub.2).sub.3 CH.sub.3.The invention also refers to the compounds of the formula I per se processes for preparation of these compounds and to a method for the treatment of inflammatory conditions.
摘要:
Aristolochic acids are obtained from aristolochic plant species by alkaline extraction, comprising:(a) extracting the aristolochic plant species in slightly alkaline medium;(b) acidifying the extract;(c) dissolving the precipitate in an organic solvent immiscible with water;(d) extracting the obtained solution with aqueous alkali;(e) acidifying the extract; and(f) separating and optionally recrystallizing the precipitated product.
摘要:
wherein R1 and R2 are hydrogen or an alkyl group having 1-2 Catoms, and to processes for their preparation. The novel compounds have very interesting biological activities, such as anabolic, androgenic, estrogenic, progestative, antiandrogenic, anti-oestrogenic, ovulation-inhibiting and gonadinhibiting activities.
The invention relates to novel 11,11-alkylidene steroids of the estrane and (19-nor-)pregnane series having a double bond starting from carbon atom 5, the alkylidene group in 11-position having the formula
摘要翻译:本发明涉及具有从碳原子5开始的双键的雌激素和(19-去甲基)孕烷系列的新型11,11-亚烷基类固醇,11位的亚烷基具有式R 1 ANGLE C =,R 2,其中 R1和R2是氢或具有1-2个C原子的烷基,并用于制备它们。
摘要:
O-alkyloximes of norethindrone and their ''''anti'''' and ''''syn'''' isomers have prolonged oral contraceptive activity at low doses and are equally efficacious when administered before copulation or after coition. A particularly useful compound is the anti isomer of the 3-cyclopentyloxime of norethindrone.
摘要:
THE INVENTIOON PROVIDES A NEW ANAESTHETIC SUBSTANCE, NAMELY, 3A-HYDROXY-19-NOR-5A-PREGNANE-11,20-DONE, AND A METHOD FOR ITS MANUFACTURE WHEREBY (A) 19 - NOR 5A-PREGNANE-3,11,20-TRIONE IS REDUCED, E.G. USING AN IRIDIUM CATA YST REDUCTION SYSTEM OR (B) 3A-HYDROXY -19NOR-5-APREGNANE-16-ONE-11,20-DIONE IS HYDROGENATED. THE INVENTION ALSO INCLUDES PHARMACEUTICAL COMPOSITIONS CONTAINING THE NEW COMPOUND AND A METHOD OF INDUCING ANAESTHESIA BY ADMINISTRATION OF THE NEW COMPOUND.
摘要:
PREPARATION OF 6-ALKYL-3-HYDROCARBONACEOUS-16A,17A-DIHYDROXYPREGNA-3,5-DIEN-20-ONE CYCLIC 16,17-ACETALS AND 3THIENYL ANALOGS THEREOF, TOGETHER WITH THEIR VALUABLE ANTIINFLAMMATORY PROPERTIES, IS DISCLOSED.
摘要:
A process is described for preparing a compound having a 13hydrocarbon substituted-gona-1,3,5(10),8,14-pentaen-17 Alpha -o1 nucleus from a compound having a 17 Alpha -hydroxy-13-hydrocarbon substituted-8,14-secogona-1,3,5(10),9,15-pentaen-14-one nucleus via a compound having a 13 Alpha -hydrocarbon substituted-9,14oxido-8,14-secogona-1,3,5(10),15-tetraen-17-one nucleus and a compound having a 13 Alpha -hydrocarbon substituted-9,14-oxido8,14-secogona-1,3,5(10)-trien-17-one nucleus. A process is also described for preparing the compound having the 17 Alpha hydroxy-13-hydrocarbon substituted 8,14-secogona-1,3,5(10),9,15pentaen-14-one nucleus from a 13-hydrocarbon substituted-8,14secogona-1,3,5(10),9,15-pentaene-14,17-dione by MeerweinPonndorf-Verley reduction. Novel intermediates for preparing known compounds of known utility by per se known methods are disclosed.
摘要:
NEW 14X, 17A-METHYLENEDIOXYPREGNANE DERIVATIVES ARE PROVIDED WHEREIN ATOMS 14 AND 17 OF THE STEROID SKELETON ARE BRIDGED BY ONE CARBON AND TWO OXYGEN ATOMS, ARRANGED IN SUCH A WAY THAT THEY FORM A 1,3-DIOXANE RING SYSTEM WITH CARBON ATOMS 13, 14 AND 17 OF THE STEROID SKELETON.