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| Number | Title | Issue Date |
| 7365218 | Process for preparing guggulsterones The present invention provides an improved process for the preparation of Guggulsterones which comprises epoxidising 16-dihydropegnenolone acetate (16 DPA) by reacting 16DPA with hydrogen peroxide reagent adduct in the presence of a co-base in a polar solvent to obt... | 04/29/2008 |
| 7112670 | Crystal form The present invention involves a novel crystal form of 17β-hydroxy-7α-(5′-methyl-2′-furyl)-pregna-4,9(11)-dien-3-one-21-carboxylic acid, γ-lactone, having the formula which is an intermediate useful in pre... | 09/26/2006 |
| 7018993 | Antiandrogenic agent A compound pf general formula (I): wherein, for example, X1 and X2 independently represent a hydrogen atom. Ra represents a hydrogen a... | 03/28/2006 |
| 6670348 | Methods and compositions for destruction of selected proteins Compounds having an ansamycin anitibiotic, or other moiety which binds to hsp90, coupled to a targeting moiety which binds specifically to a protein, receptor or marker can provide effective targeted delivery of the ansamycin antibiotic leading to the deg... | 12/30/2003 |
| 6610844 | Processes for preparation of 9,11-epoxy steroids and intermediates useful therein Multiple novel reaction schemes, novel process steps and novel intermediates are provided for the synthesis of epoxymexrenone and other compounds of Formula I ##STR1## wherein --A--A-- represents the group --CHR4 --CHR5 -- or... | 08/26/2003 |
| 6468981 | Compositions and methods for targeting pharmaceutically active materials to cells containing androgen receptors A water soluble delivery system for nucleic acids to cells having androgen receptors, preferably prostate cells, is provided comprising a steroid moiety capable of binding to said receptors, said steroid moiety being covalently linked to a polycationic ma... | 10/22/2002 |
| 6428769 | Acute testosterone administration The libido of adult human female patients is increased by the intrapulmonary delivery of testosterone. A formulation of testosterone is aerosolized and inhaled into a patient's lungs where particles of testosterone deposits on lung tissue and then enter t... | 08/06/2002 |
| 6423701 | Water soluble amine esters of testosterone for intranasal administration The present invention provides novel water soluble testosterone analogs. These testosterone analogs are suitable for intranasal administration to patients requiring increased plasma testosterone levels. The present invention also provides pharmaceutical c... | 07/23/2002 |
| 6406718 | Orthorhombic crystalline form of fluticasone propionate and pharmaceutical compositions thereof The invention relates to a new polymorphic crystalline form of S-fluoromethyl 6,9-difluoro-11ଲ-hydroxy-16-methyl-3-oxo-17.alph a.-propionyloxyandrosta-1,4-diene-17ଲ-carbothiate (fluticasone propionate). The new polymor... | 06/18/2002 |
| 5977096 | Steroids with radical-attracting aromatic substituents, process for the production thereof and pharmaceutical compounds containing the said substances Novel substituted steroid compounds are disclosed which are more effective than known radical-trapping agents in methods of prophylaxis and therapy of radical-mediated cell damage and of treatment of diseases due to radical-mediated cell damage. The novel... | 11/02/1999 |
| 5969168 | Androstanes for inducing hypothalamic effects The invention relates to novel, androstane steroids which are the ligand semiochemicals which bind to neuroepithelial receptors. The steroids are useful as ligands to neuroepithelial receptors in the human vomeronasal gland to stimulate autonomic and hypo... | 10/19/1999 |
| 5925630 | Neuroactive steroids of the androstane and pregnane series The invention relates to 3-hydroxy, 17-(un)substituted derivatives of the androstane series and 3-hydroxy, 21-substituted derivatives of the pregnane series. These derivatives are capable of acting at a recently identified site on the GRC, t... | 07/20/1999 |
| 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 |
| 5656426 | Functionaized hydrophilic acridinium esters Novel acridinium esters that are useful, either alone or when incorporated into liposomes, as chemiluminescent agents in binding assays (e.g., immunoassays and gene probe assays) with improved-sensitivity are disclosed. In addition, the synthesis of these... | 08/12/1997 |
| 5597701 | Process for determining androstenone contents in adipose tissues A process and appropriate device are disclosed for determining the androstenone content of adipose tissues in clearly shorter times. The disclosed process has the following steps: (a) liquefying an adipose tissue sample by heating up to a predetermined te... | 01/28/1997 |
| 5486603 | Oligonucleotide having enhanced binding affinity The present invention relates to an oligonucleotide or analog thereof conjugated to a molecule comprising a structure, which structure (a) is of substantially fixed conformation; (b) contains, is directly attached to, or is attached to a carbon atom that ... | 01/23/1996 |
| 5227375 | Aromatase inhibitors Novel aromatase inhibitors are disclosed for use in therapeutic preparations for treatment of estrogen-dependent diseases. The compounds are specified 7-substituted androstanedione and androstenedione derivatives which show a strong inhibitory acti... | 07/13/1993 |
| 4948790 | Long-acting androgenic compounds and pharmaceutical compositions thereof Long-acting androgenic compositions comprising C4 -C6 cycloalkyl carboxylic acids of testosterone and a pharmaceutically acceptable carrier medium. The ester can be dissolved in an acceptable oily medium or suspended in an aqueous me... | 08/14/1990 |
| 4865766 | Process for the preparation of 4-amino-androstenedione derivatives A process for the preparation of 4-aminoandrostenediones of formula (I) ##STR1## and pharmaceutically acceptable salts thereof, wherein one of R1 and R2 is hydrogen and the other is hydrogen, C1 -C6 alkyl, ... | 09/12/1989 |
| 4780455 | Lipophilic complexes of pharmacologically active organic compounds The present invention provides a composition with the structure wherein m and n are each integers, and m and n are different or the same; L is an ampholytic lipid or polymer, or a nonampholytic lipid with hydrophobic properties; E is a nonlipophilic ionic inor... | 10/25/1988 |
| 4757061 | 4-amino androstendione derivatives and process for their preparation The invention discloses 4-substituted androstendione derivatives of the following formula (I) ##STR1## wherein R is amino or substituted amino or azido, one of R1 and R2 is hydrogen and the other is hydrogen, alkyl, alkenyl or a... | 07/12/1988 |
| 4622218 | Testicular-specific drug delivery Testicularly acting drug species are site-specifically/sustainedly delivered to the testes by administering to a male in need of such treatment a pharmacologically effective amount of the target drug species [D] tethered to a reduced, blood-testis barrier... | 11/11/1986 |
| 4588717 | Compounds and vitamin supplements and methods for making same The present invention relates to novel compounds, vitamin supplements, diet pills, and methods for making the same. The vitamin supplements include one or more phytosterol esters, such as esters of sitosterol or stigmasterol, and/or one or more novel subs... | 05/13/1986 |
| 4537722 | Steroid esters preparation This invention relates to an improved steroid ester synthesis in which carbodiimides and catalytic amounts of 4-(tertiary amino)-pyridines, in combination with acid catalysts, are used as condensing agents, resulting in pure, non discolored compounds in h... | 08/27/1985 |
| 4474701 | Process for the separation of 4-androsten-3,17-dione and 1,4-androstadien-3,17-dione A process is disclosed for the separation of 4-androsten-3,17-dione/1,4-androstadien-3,17-dione mixtures, which are produced, e.g., upon microbiological sterol-side chain decomposition, through conversion of said mixture into a mixture of 17ଲ-c... | 10/02/1984 |
| 4466921 | 4-Dimethylaminopyridinium chlorochromate as an oxidizing agent for conversion of alcohols to their respective ketones The novel compound 4-dimethylaminopyridinium chlorochromate has been found to be an effective oxidizing agent for converting alcohols to their respective aldehydes or ketones, especially for the selective conversion of allylic and benzylic alcohols to the... | 08/21/1984 |
| 4416821 | Process for preparing 16-methylene steroids A process is disclosed for the production of 17-keto-16-methylene steroids (III) from the corresponding readily available 17-keto steroid (I) via a novel intermediate (II).... | 11/22/1983 |
| 4360663 | Steroid hormone-antitumor derivatives A process for producing a steroid hormone-antitumor derivative which selectively affects to tumor or cancer cells comprises reacting X group of a steroid hormone derivative having the formula ##STR1## wherein ST represents a steroid moiety having a c... | 11/23/1982 |
| 4346037 | Base catalyzed acylation with enol esters This invention relates to processes for base catalyzed acylations using enol esters, for example, isopropenyl acetate. Particularly, the processes are useful for acylating acid sensitive alcohols including hydroxy steroids.... | 08/24/1982 |
| 4329296 | Branched chain and cycloaliphatic esters of the androstane and oestrane series and pharmaceutical compositions containing same There are disclosed branched chain and cycloaliphatic esters of steroids having the formula: ##STR1## or the 5H analog thereof, where R is H or CH3 ; R1 is H or CH3 ; R2 is H or CH3 ; R3 | 05/11/1982 |
| 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 1,2-position; R is hydrogen or alkyl of 1 to 3 carbon ... | 04/06/1982 |
| 4318908 | Methylated prostaglandin derivatives Methylated prostaglandine derivatives are steroids derivatives having at 17 position, methylated prostaglandine group such as (Me)2 --PGE2 --E (Me)2 --PGE2 --E--2AC (Me)2 --PGE2 --E--BA (Me)2 | 03/09/1982 |
| 4297350 | Male contraceptive steroids and methods of use The steroids of the present invention have been found to be useful as male contraceptives when administered orally. Upon cessation of administration of the male contraceptive steroids of the present invention the male promptly regains normal fertility.... | 10/27/1981 |
| 4272445 | Process for preparing active compounds A process for the preparation of a compound of the formula (A): ##STR1## wherein: R3 is a C1-5 alkyl group, a C3-6 alkenyl group, a C3-6 cycloalkyl group or an alkylphenyl group in which the alkyl moiety co... | 06/09/1981 |
| 4252719 | Steroid conversion method and products produced thereby Method for the removal of selected tertiary hydrogen atoms from 5 -steroids of the cholestane, androstane and pregnane series by chlorination of 5 -steroids esterified with selected iodoaryl substituted esterifying agents which direct a chlo... | 02/24/1981 |
| 4230621 | Steroid derivatives and their use in radioimmunoassays Radiolabeled steroid derivatives having the formula ##STR1## wherein St is a des-hydroxy steroid moiety of (i) a hydroxy steroid intended for radioimmunoassay or (ii) a hydroxy containing derivative of a steroid intended for radioimmunoassay, said de... | 10/28/1980 |
| 4220599 | Oral pharmaceutical preparation having androgenic activity The invention relates to an oral pharmaceutical preparation with androgenic activity on the basis of one or more esters of testosterone and/or 5-dihydrotestosterone, the ester group of which has been derived exclusively from aliphatic carboxylic ac... | 09/02/1980 |
| 4219489 | Synthesis of steroids Method and compounds are provided for use in the synthesis of steroids wherein a polyolefin is provided having an initiating group having a chalcogen atom in juxtaposition to a double bond, so as to be capable of bond formation to close to form a ring and... | 08/26/1980 |
| 4212864 | Branched chain and cycloaliphatic esters of the androstane and oestrane series and pharmaceutical compositions containing same There are disclosed branched chain and cycloaliphatic esters of steroids having the formula: ##STR1## or the 5H analog thereof, where R is H or CH3 ; R1 is H or CH3 ; R2 is H or CH3 ; R3 | 07/15/1980 |
| 4198405 | Prostaglandine derivatives Prostaglandine derivatives are composed of a prostaglandine and a steriod hormone with or without a binding group. The prostaglandine derivatives have extraordinarily reduced side-effect and superior physiological activity, particularly effect of abortion in ... | 04/15/1980 |
