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| Number | Title | Issue Date |
| 5723455 | Antiandrogenic agents and related pharmaceutical compositions and methods of use Novel antiandrogenic agents are provided. An exemplary group of compounds has the structural formula (I) ##STR1## wherein R1 through R10, a and b are as defined herein. Pharmaceutical compositions and methods for using the compo... | 03/03/1998 |
| 5523428 | Process for the production of 1-methyl-3-keto-Ɗ1,4 steroids A process for the production of 1-methyl-3-keto-Ɗ1,4 steroids of general formula I ##STR1## in which St symbolizes the radical of asteroid molecule, where a 3-keto-Ɗ1,4 steroid of general formula II ##STR2## in which... | 06/04/1996 |
| 5496813 | Spontaneously dispersible concentrates and aqueous microemulsions with steryl retinates having anti-tumor activity There are described spontaneously dispersible agents containing sterolester and/or sterolphosphor compounds having a pronounced antitumour activity. Novel sterolesters and sterolphosphor compounds, their use for treating tumors, and processes for their pr... | 03/05/1996 |
| 5449795 | Process for synthesis of steroidal allylic tert. alcohols A method for the preparation of a steroidal allylic tertiary alcohol is disclosed which involves the deprotonation of a sulfoxide with a strong base which is capable of deprotonating the methine proton which is to the sulfoxide, in an inert solven... | 09/12/1995 |
| 5352808 | Process for steroid preparation A process for the preparation of a compound of the formula ##STR1## wherein R1 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms optionally substituted by halogen or a nitrogen or oxygen function and alkenyl a... | 10/04/1994 |
| 5162312 | 11ଲ-substituted 16, 17-methylene-estra-4,9-dien-3-ones 11ଲ-substituted-16, 17-methylene-estra-4,9-dien-3-ones of formula I ##STR1## wherein R1 is a methyl or ethyl group; R2 is H; a C1-6 -alkyl, -alkoxymethyl, -alkanoyl or -alkoxcarbonyl group ; 2-meth... | 11/10/1992 |
| 5140106 | Process for the production of 3-deoxy-4-ene steroids A process for the production of 3-deoxy-4-ene steroids of the general formula I ##STR1## is described, in which R1, R2 and R3 mean a hydrogen atom or a methyl group, R4 represents a lower alkyl group, a phe... | 08/18/1992 |
| 5073548 | 11 ଲ-substituted progesterone analogs A 11ଲ-aryl-19-norprogesterone steroid of the formula: ##STR1## wherein (i) R1 is H, C1-4 alkyl, C2-4 alkenyl, C2-4 alkynyl, OH, OC(O)CH3, or OC(O)R5 , wherein R5 is C2... | 12/17/1991 |
| 5041433 | 11-keto or hydroxy 3,5-diene steroids as inhibitors of steriod 5--reductase Invented are carboxyl and carboxyl alkyl ester substituted 11-keto and hydroxy analogues of synthetic steroidal compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5--reductase.... | 08/20/1991 |
| 5032586 | 7-keto or hydroxy 3,5-diene steroids as inhibitors of steroid 5-alpha reductase Invented are carboxyl and carboxyl alkyl ester substituted 7-keto and hydroxy analogues of synthetic steroidal compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5--reductase. ... | 07/16/1991 |
| 4946834 | Phosphonic acid substituted steroids as steroid 5-reductase inhibitors Invented are substituted acrylate analogues of steroidal synthetic compounds, pharmaceutical compositions containing the compounds, and methods of using these compounds to inhibit steroid 5-reductase. Also invented are intermediates used in prepari... | 08/07/1990 |
| 4547493 | Novel 11ଲ-substituted-19-nor-steroids Novel 19-nor-steroids of the formula ##STR1## wherein R1 is an organic group of 1 to 18 carbon atoms optionally containing at least one heteroatom with the atom immediately adjacent the 11-carbon atom being carbon, R2 is a hydro... | 10/15/1985 |
| 4501701 | 20-Isocyano-Ɗ17(20) -steroids Novel 20-isocyano-Ɗ17(20) -steroids of the formula ##STR1## wherein R1 is selected from the group consisting of (1) hydrogen, (2) alkyl of 1 to 4 carbon atoms optionally substituted with a member of the group consisting of halo... | 02/26/1985 |
| 4495102 | Aminoalkyl steroids Compounds of Formula I and II are useful as potent antiarrythmic agents without significant effect on cardiac output and blood pressure.... | 01/22/1985 |
| 4459235 | 2-Cyanosteroids The invention relates to novel 2-cyanosteroids of Formula I which are useful for the induction of menses and the termination of pregnancy.... | 07/10/1984 |
| 4424159 | Process for the synthesis of the hydroxyacetyl side-chain of steroids of the pregnane type, novel 21-hydroxy-20-oxo-17-pregnane compounds and pharmaceutical preparations containing them The present invention relates to a novel general process for synthesizing a - or ଲ-oriented hydroxyacetyl side chain of steroids of the pregnane type, which comprises treating a corresponding steroid carbaldehyde in succession with formaldehy... | 01/03/1984 |
| 4349474 | 2-Cyanosteroids The invention relates to novel 2-cyanosteroids of Formula I which are useful for the induction of menses and the termination of pregnancy.... | 09/14/1982 |
| 4321208 | Preparation of directly iodinated steroid hormones and related compounds A process for the direct iodination of steroids and steroid hormones in the presence of hydrogen peroxide or chloramine-T is disclosed. The antigenicity and the specific receptor binding of directly iodinated estradiol 17-beta is identical to tritiated es... | 03/23/1982 |
| 4317817 | Novel steroid 5-reductase inhibitors Compounds of the following general formula are testosterone 5-reductase inhibitors rendering the compounds useful in the treatment of acne and oily skin and benign prostatic hypertrophy: ##STR1## wherein R is: .dbd.O, --OH, --OCO--alkyl C... | 03/02/1982 |
| 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 9 with hydrogen, fluoro, chloro or bromo; at 6 with hyd... | 06/16/1981 |
| 4263290 | Novel 19-nor-steroids Novel 19-nor-steroids of the formula ##STR1## wherein R1 and R2 taken together form a cycloalkyl of 3 to 8 carbon atoms or are individually selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and alkenyl... | 04/21/1981 |
| 4172075 | Fluoro-steroids and processes for their manufacture 11,12-Unsaturated 9-fluorosteroids comprising a new class of steroid compounds are obtained by a novel process, wherein a corresponding 9-fluoro-11ଲ-hydroxysteroid is dehydrated with a reagent of the formula F3 SX in which X... | 10/23/1979 |
| 4136179 | 2,2-Dimethyl-19-nor-steroids 2,2-DIMETHYL-19-NOR-STEROIDS OF THE FORMULA ##STR1## wherein R1 is selected from the group consisting of hydrogen, ##STR2## and R2 is selected from the group consisting of hydrogen and hydrocarbon of 1 to 17 carbon atoms an... | 01/23/1979 |
| 4132734 | Synthesis of carboxylic acids The rate of reaction of ethylenically unsaturated compounds, carbon monoxide and water in the presence of catalyst systems consisting essentially of a rhodium or iridium compound and a halogen promoter to produce carboxylic acids is accelerated by includi... | 01/02/1979 |
| 4078059 | Novel 2,2-dimethyl steroids Novel 2,2-dimethyl steroids of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, --OH and ##STR2## R1 is selected from the group consisting of hydrogen and hydrocarbon of 1 to 17 carbon atoms Z is selec... | 03/07/1978 |
| 4064185 | Olefinically unsaturated substituents at C-11 of steroid cyclization precursors Compositions are provided as well as methods for preparing the compositions which serve as cyclization precursors for the preparation of C-11 alkenyl substituted steroids and nor-steroids. The alkenyl group may be converted after cyclization to a variety ... | 12/20/1977 |
| 4036864 | Chemical process Saturated organic compounds containing a hydrogen atom bound to a tertiary carbon atom may be electrophilically fluorinated by reaction with an electrophilic fluorinating agent such as molecular fluorine or trifluoromethyl hypofluorite under conditions wh... | 07/19/1977 |
| 4032579 | 11-Substituted steroids and intermediates Precursor compounds are provided for use in the synthesis of 11-chalcogensubstituted steroids and nor-steroids, particularly 18-, 19- and A-nor-steroids. The compounds are acyclic or substituted polyenine with the olefinic groups having the proper geometr... | 06/28/1977 |
| 3969345 | 20ଲ,21-Epoxy-3-hydroxy-5-pregnanes and derivatives thereof The invention provides 3-oxygenated pregnane 21-ethers possessing a hydroxy group in the 3-position; a hydrogen atom or a methyl group at the 10-position; a hydrogen atom in the 17-position; a keto group in the 20-position; and an eth... | 07/13/1976 |
| 3959260 | Anaesthetic steroids of the pregnane and 19-norpregnane series having a sulfur-containing group at the 21-position Steroid anaesthetics of the pregnane and 19-norpregnane series are described, the compounds possessing a 3-hydroxy group, a 17-hydrogen atom, a 20-oxo group and at the 21-position the residue of a sulphur nucleophile or a sulphone or sulphox... | 05/25/1976 |
| 3953429 | Anaesthetic steroids of the androstance and pregnane series Steroids of the androstane and pregnane series possessing a 2-hydrogen or halogen or an alkyl group; a 3-hydroxy or acyloxy group, a 3ଲ-hydrogen or alkyl group; an 11ଲ-hydrogen or hydroxy group or an epoxy group linked also to th... | 04/27/1976 |
