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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...
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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,...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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3530117 |
DELTA**4 AND DELTA**4,6 - 17 - HYDROXY - STEROIDAL PYRAZOLES OF THE PREGNANE SERIES
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3513160 |
PROCESS FOR THE PREPARATION OF 9ALPHA-BROMO-11BETA - HYDROXY - 17ALPHA,20;20,21-BISALKYLENEDIOXY PREGNANES
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3511860 |
SYNTHESIS OF 19-NOR AND RING A AROMATIC STEROIDS AND INTERMEDIATES THEREFOR
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3503961 |
PROCESS FOR THE MANUFACTURE OF 17ALPHA,20;20,21-BISMETHYLENEDIOXY-STEROIDS
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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
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3496199 |
PROCESS FOR THE PREPARATION OF 9BETA,10ALPHA-STEROIDS
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3494918 |
2-CARBONYL-PREGNATRIENES AND A METHOD FOR THEIR PREPARATION
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3491090 |
CYCLOBUTANO- AND CYCLOBUTENO - (3',4':6,7) DERIVATIVES OF THE CORTICOID SERIES
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3485828 |
6,7-ETHYLENE AND 6,7-SUBSTITUTED ETHYLENE DERIVATIVES OF THE PREGNANE SERIES
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3481925 |
PROCESS FOR THE PREPARATION OF DELTA**5(10)-3BETA- HYDROXY-6-ACYLOXY STEROIDS
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3480622 |
PROCESS FOR THE PREPARATION OF DEBROMINATED ANALOGUES OF BROMO-STEROIDS OF THE PREGNANE,ANDROSTANE AND CHOLESTANE SERIES
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3479340 |
PROCESS FOR THE PREPARATION OF STEROIDAL 1,4-DIENES UNSUBSTITUTED IN THE 3-POSITION
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3476746 |
11-OXYGENATED-10ALPHA-STEROIDS
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3475464 |
PROCESS FOR THE PREPARATION OF STEROIDS AND NOVEL INTERMEDIATES THEREOF
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3475417 |
6,1'-SPIROCYCLOPROPYL PREGNANES
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3471550 |
20BETA-ALKANOYLOXY-5-OXO-3,5-SECO-A-NOR-PREGNAN-3-OIC ACIDS
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3471480 |
PROCESS FOR THE MANUFACTURE OF 3-SUBSTITUTED DELTA**5-6-METHYL-STEROID COMPOUNDS
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3467713 |
PROCESS FOR THE DEFLUORINATION OF FLUOROSTEROIDS
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3463776 |
STEROIDAL 6-CYCLOPROPYL-4-EN-3-ONES AND PROCESS FOR PREPARING SAME
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3462421 |
3-CARBALKOXY-METHYLENE-STEROIDS AND PROCESS FOR PREPARING THEM
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3453295 |
PROCESS FOR PREPARING 3-KETO-19-NOR-DELTA**4,9(10) STEROIDS
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3435057 |
16ALPHA,17ALPHA-ETHYLENE AND SUBSTITUTED ETHYLENE PREGNANE DERIVATIVES AND PROCESS
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3432492 |
6,7-CYCLOPENTANONO AND 6,7-CYCLOPENTANO STEROIDS
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3428626 |
6ALPHA,7ALPHA - ETHYLENE AND 6ALPHA,7ALPHA - TETRAFLUOROETHYLENE DRIVATIVES OF 4-PREGNENO-(3,2-C)-PYRAZOLES
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3427300 |
ANTI-INFLAMMATORY STEROID 2'-ACETAMIDO-2'-DEOXY-GLUCOSIDE COMPOUNDS
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3412107 |
11-hydroxy-5-oxo-3, 5-seco-a-nor-androstan-3-oic acid 3, 11-lactones
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3409610 |
9alpha-difluoromethyl and 9alpha-trifluoromethyl pregnenes
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3385872 |
Process for the preparation of 3-hydroxy-19-nor-delta1, 3, 5(10), 9(11)-tetraene steroids
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3375167 |
6-hydroxymethyl-3-oxo-4, 6-dienic steroids, acyl derivatives thereof, and process for preparing same
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3365446 |
3-substituted methylene and halomethylene pregnanes
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3356694 |
3-keto-4-methylene derivatives of the androstane and pregnane series and process therefor
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3354149 |
5beta, 6beta-cyclo-19-nor-delta9(10)-androstenes and pregnenes and process therefor
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3352892 |
Hydrolysis of 17-20, 20-21-bismethylene dioxy-steroids of the pregnane series
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3349083 |
Process for the production of 6beta:19-oxido-steroids
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3346570 |
Process for the isolation of 7alpha-methyl-steroids from mixtures of the epimeric 7-methyl compounds
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3341524 |
2-methyl-delta2-corticoids
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3338930 |
Process for the hydrolysis of bismethylenedioxy derivatives
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