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6100253 Tricycle substituted with azaheterocyclic carboxylic acids  
The present invention relates to novel N-substituted azaheterocyclic compounds of the general formula ##STR1## wherein X, Y, Z, R 1 , R 2 and r are as defined in the detailed part of the present...
4762919 Anti-inflammatory carboxy pregnane derivatives  
Compounds of the formula: ##STR1## wherein one X is COOR, CH 2 COOR, CH(COOR) 2 , CONHR, CH 2 CONHR, or CN remaining X's are H, F, CH 3 , OH, COOR, CH 2 COOR, CH(COOR) 2 , CONHR, CH 2 CONHR,...
4336200 17α-Acyloxy-5β-corticoids  
17α-Acyloxy-5β-pregnanes (I) and 17α-acyloxy-5α-pregnanes (IV) have an excellent activity split providing high topical antiinflammatory activity with very low systemic side effects.
4323511 Steroid derivatives and their use in radioimmunoassays  
Radiolabeled steroid derivatives having the formula ##STR1## wherein St is a 6-dehydro derivative of a 3-oxo-4,5-dehydro steroid intended for radioimmunoassay, said steroid being saturated in the...
4322349 Process for preparing 6-methylene steroids  
A process for preparing a 6-methylene-Δ 4 -3-keto steroid of the formula ##STR1## wherein R is hydrogen, alkoxy of up to 6 carbon atoms or acyloxy of up to 6 carbon atoms wherein the acyl group...
4273770 4-Halo steroids  
Certain pregn-4-ene-3,20-diones or pregn-1,4-diene-3,20-diones 4-substituted with a fluoro or chloro are useful as topical anti-inflammatory steroids. These compounds are substituted at 9α with...
4252719 Steroid conversion method and products produced thereby  
Method for the removal of selected tertiary hydrogen atoms from 5 α-steroids of the cholestane, androstane and pregnane series by chlorination of 5 α-steroids esterified with selected iodoaryl...
4198336 Chemical process for preparing androsta-4-ene 17α-carboxylic acids  
This invention is a process for preparing 3-keto-androst-4-ene 17α-carboxylic acids, androsta-1,4-diene 17α-carboxylic acids and their 17α-esters by reacting a corresponding...
4185101 1,3,5(10),6,8-19-Nor-pregnapentaenes, their use as anti-psoriatic agents, and pharmaceutical formulations useful therefor  
1,3,5(10),6,8-19-Nor-pregnapentaene-20-ones exhibit anti-mitotic activity with minimal or no hormonal activity. They are particularly useful in the treatment and control of psoriasis when applied...
4052421 13-Ethinyl-steroids and processes for their manufacture  
A new class of 13-ethinyl-steroids is prepared by a novel process comprising Wittig reaction of a 13-formyl steroid with a chloro- or bromomethylenephosphorane and dehydrohalogenation of the...
3956349 Process for preparing 3-enol ethers of 11β-hydroxy-Δ.sup.4 -pregnene-3-ones and derivatives thereof  
3-enol ethers of 11β-hydroxy-Δ 4 -pregnene-3-ones are prepared by reacting triethylorthoacetate with an 11β-hydroxy-Δ 4 -pregnene-3-one in a solvent which is at least 40% by weight or more...
3835160 3'-KETO-2',3'-SECO-1'-(2')-YNE STEROIDAL DERIVATIVES, METHODS FOR THEIR MANUFACTURE, AND COMPOUNDS PRODUCED THEREBY  
Described herein are novel 3'-keto-2',3'-seco-1'(2')-yne steroidal structures and processes for their preparation and, in particular, the preferred embodiment thereof, i.e., 5-keto-4,5-seco-3-ynes...
3676426 2-(1-HYDROXYALKYLIDENE)-3-OXO STEROIDS  
Steroido[3.2-c]pyrazoles, having endocrinological, including anabolic, activities, are prepared by interacting 2-(1-hydroxyalkylidene)-3-oxo steroids with hydrazine or a substituted hydrazine. The...
3530117 DELTA**4 AND DELTA**4,6 - 17 - HYDROXY - STEROIDAL PYRAZOLES OF THE PREGNANE SERIES  
3513160 PROCESS FOR THE PREPARATION OF 9ALPHA-BROMO-11BETA - HYDROXY - 17ALPHA,20;20,21-BISALKYLENEDIOXY PREGNANES  
3511860 SYNTHESIS OF 19-NOR AND RING A AROMATIC STEROIDS AND INTERMEDIATES THEREFOR  
3503961 PROCESS FOR THE MANUFACTURE OF 17ALPHA,20;20,21-BISMETHYLENEDIOXY-STEROIDS  
3499912 PROCESS FOR THE PREPARATION OF 5-OXO-11ALPHA-HYDROXY - 3,5 - SECO-A-NOR-PREGNAN-3-OIC ACID - 3,11 LACTONES AND DERIVATIVES THEREOF  
3496199 PROCESS FOR THE PREPARATION OF 9BETA,10ALPHA-STEROIDS  
3494918 2-CARBONYL-PREGNATRIENES AND A METHOD FOR THEIR PREPARATION  
3491090 CYCLOBUTANO- AND CYCLOBUTENO - (3',4':6,7) DERIVATIVES OF THE CORTICOID SERIES  
3485828 6,7-ETHYLENE AND 6,7-SUBSTITUTED ETHYLENE DERIVATIVES OF THE PREGNANE SERIES  
3481925 PROCESS FOR THE PREPARATION OF DELTA**5(10)-3BETA- HYDROXY-6-ACYLOXY STEROIDS  
3480622 PROCESS FOR THE PREPARATION OF DEBROMINATED ANALOGUES OF BROMO-STEROIDS OF THE PREGNANE,ANDROSTANE AND CHOLESTANE SERIES  
3479340 PROCESS FOR THE PREPARATION OF STEROIDAL 1,4-DIENES UNSUBSTITUTED IN THE 3-POSITION  
3476746 11-OXYGENATED-10ALPHA-STEROIDS  
3475464 PROCESS FOR THE PREPARATION OF STEROIDS AND NOVEL INTERMEDIATES THEREOF  
3475417 6,1'-SPIROCYCLOPROPYL PREGNANES  
3471550 20BETA-ALKANOYLOXY-5-OXO-3,5-SECO-A-NOR-PREGNAN-3-OIC ACIDS  
3471480 PROCESS FOR THE MANUFACTURE OF 3-SUBSTITUTED DELTA**5-6-METHYL-STEROID COMPOUNDS  
3467713 PROCESS FOR THE DEFLUORINATION OF FLUOROSTEROIDS  
3463776 STEROIDAL 6-CYCLOPROPYL-4-EN-3-ONES AND PROCESS FOR PREPARING SAME  
3462421 3-CARBALKOXY-METHYLENE-STEROIDS AND PROCESS FOR PREPARING THEM  
3453295 PROCESS FOR PREPARING 3-KETO-19-NOR-DELTA**4,9(10) STEROIDS  
3435057 16ALPHA,17ALPHA-ETHYLENE AND SUBSTITUTED ETHYLENE PREGNANE DERIVATIVES AND PROCESS  
3432492 6,7-CYCLOPENTANONO AND 6,7-CYCLOPENTANO STEROIDS  
3428626 6ALPHA,7ALPHA - ETHYLENE AND 6ALPHA,7ALPHA - TETRAFLUOROETHYLENE DRIVATIVES OF 4-PREGNENO-(3,2-C)-PYRAZOLES  
3427300 ANTI-INFLAMMATORY STEROID 2'-ACETAMIDO-2'-DEOXY-GLUCOSIDE COMPOUNDS  
3412107 11-hydroxy-5-oxo-3, 5-seco-a-nor-androstan-3-oic acid 3, 11-lactones  
3409610 9alpha-difluoromethyl and 9alpha-trifluoromethyl pregnenes  
3385872 Process for the preparation of 3-hydroxy-19-nor-delta1, 3, 5(10), 9(11)-tetraene steroids  
3375167 6-hydroxymethyl-3-oxo-4, 6-dienic steroids, acyl derivatives thereof, and process for preparing same  
3365446 3-substituted methylene and halomethylene pregnanes  
3356694 3-keto-4-methylene derivatives of the androstane and pregnane series and process therefor  
3354149 5beta, 6beta-cyclo-19-nor-delta9(10)-androstenes and pregnenes and process therefor  
3352892 Hydrolysis of 17-20, 20-21-bismethylene dioxy-steroids of the pregnane series  
3349083 Process for the production of 6beta:19-oxido-steroids  
3346570 Process for the isolation of 7alpha-methyl-steroids from mixtures of the epimeric 7-methyl compounds  
3341524 2-methyl-delta2-corticoids  
3338930 Process for the hydrolysis of bismethylenedioxy derivatives  
Matches 1 - 50 out of 175 1 2 3 4 >