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| Number | Title | Issue Date |
| 7700766 | Methanesulfonate salts of abiraterone-3-esters and recovery of salts of abirater one-3-esters from solution in methyl tert-butyl ether A salt of a compound of formula (I) may be made with methanesulfonic acid. The salt and salts with other acids may be prepared by recovering from methyl tert-butyl ether (MTBE). ... | 04/20/2010 |
| 7077822 | Stereotactic hypothalamic obesity probe Apparatus and methods for regulating the appetite of an individual suffering from morbid obesity, the apparatus including a plurality of stimulation electrodes arranged longitudinally on at least one electrode support shaft for insertion within the hypothalamus for ... | 07/18/2006 |
| 6262042 | 17ଲ-amino and hydroxylamino-11ଲ-arylsteroids and their derivatives having agonist or antagonist hormonal properties The invention is directed to a novel class of steroids which exhibit potent antiprogestational activity.... | 07/17/2001 |
| 5817803 | Process for preparing neuromuscular blocking agents and intermediates useful therefor The present invention provides new process of preparing neuromuscular blocking agents. The process include preparing neuromuscular blocking agents using the compounds of formula I: ##STR1## wherein R1 is .dbd.O and X is halo; and formula I... | 10/06/1998 |
| 5721227 | 17-aryl and 17-heterocyclyl-14ଲ-5-androstane, androstene and androstadiene derivatives active on the cardiovascular system, processes for their preparation and pharmaceutical compositions containing same 17-Aryl -5,14ଲ-androstane, androstene and androstadiene derivatives of formula (I): ##STR1## wherein the symbol --- represents a single or a double bond; when the double bond is not present in the 4 or 5 position, the hydrogen in po... | 02/24/1998 |
| 5695738 | Steroidal C-glycosides Compositions of sterodial glycosides are described wherein the glycoside is linked directly, or indirectly to a desired steroidal compound via a carbon, or similar stable linkage, and methods of using the compositions to treat patients by binding to and/o... | 12/09/1997 |
| 5679788 | 11 beta-substituted-19 nor-steroids Intermediate compounds of a formula selected from the group consisting of ##STR1## which are useful intermediates for the preparation of final products of the formula ##STR2## wherein the substituents are defined in the specification.... | 10/21/1997 |
| 5618807 | Method for preparing 17-substituted steroids useful in cancer treatment Compounds of the general formula (1) ##STR1## wherein X represents the residue of the A, B and C rings of a asteroid, R represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, R14 represents a hydrogen atom and R15 ... | 04/08/1997 |
| 5604213 | 17-substituted steroids useful in cancer treatment Compounds of the general formula (1) ##STR1## wherein X represents the residue of the A, B and C rings of a steroid, R represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, R14 represents a hydrogen atom and R15 r... | 02/18/1997 |
| 5593983 | Substituted 2ଲ-morpholino-androstane derivatives The invention is related to substituted 2ଲ-morpholino-androstane derivatives, bonded at their 2ଲ-position to the nitrogen of a group of formula I ##STR1## wherein R represents one to four substituents, each one independently selected... | 01/14/1997 |
| 5591733 | Methods, compositions, and compounds for allosteric modulation of the gaba receptor by members of the androstane and pregnane series Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, insomnia and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-aminobutyric acid receptor-chloride ionoph... | 01/07/1997 |
| 5567697 | 17-(4-pyridazinyl) -5ଲ, 14ଲ-androstane derivatives active on the cardiovascular system, processes for their preparation and pharmaceutical compositions containing same Present invention relates to a group of 17-(4-pyridazinyl)-5ଲ,14ଲ-androstane derivates active on the cardiovascular system and to pharmaceutical compositions containing same.... | 10/22/1996 |
| 5536828 | (E)-20 (22)-dehydrodiels-alder compounds The invention discloses Diels-Alder adducts of the following structure: ##STR1## The compounds are useful as intermediates in the production of (E)-20(22)-Dehydrovitamin D compounds.... | 07/16/1996 |
| 5521167 | Cyclopentanperhydrophenanthren-17ଲ-(hydroxy or alkoxy)-17-(Aryl or heterocyclyl)-3ଲ-derivatives active on the cardiovascular system, and pharmaceutical compositions containing same The present invention relates to new cyclopentanperhydrophenanthren-17-(hydroxy or alkoxy)-17-(aryl or heterocyclyl)-3ଲ-derivatives, active on the cardiovascular system, to a process for their preparation and to pharmaceutical compositions cont... | 05/28/1996 |
| 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 |
| 5418226 | Monoquaternary 2,16-bispiperidinylandrostane derivatives Monoquaternary 2,16-bispiperidinylandrostane neuromuscular blocking derivatives having the formula: ##STR1## wherein R1 is ethyl; R2 is methyl or allyl; and X- is a pharmaceutically acceptable anion; or pharmaceutically ... | 05/23/1995 |
| 5416079 | 21-chloro-pregnane derivative The invention is related to a 21-chloro-pregnane derivative of the formula ##STR1## or pharmaceutically acceptable salts thereof. The compound has intravenous anaesthetic activity, short onset time and high potency.... | 05/16/1995 |
| 5382661 | Pyrazinylpiperazinyl steroids Disclosed are amino substituted steroids (XI) which contain a pyrazinylpiperazinyl group attached to the terminal carbon atom of the C17 -side chain which are useful as pharmaceutical agents for treating a number of conditions.... | 01/17/1995 |
| 5380840 | Triazinylpiperazinyl steroids Disclosed are amino substituted steroids (XI) which contain 4-[1,3,5-triazin-2-yl]- or 4-[1,2,4-triazin-3-yl]- 1-piperazinyl group attached to the terminal carbon atom of the C17 -side chain which are useful as pharmaceutical agents for treatin... | 01/10/1995 |
| 5373095 | Steroid compounds Provided are cyclic hydrocarbons of Formula I ##STR1## with an aminoalkyl sidechain that are useful for treating phospholipase A2 mediated conditions, diabetes, and obesity.... | 12/13/1994 |
| 5319115 | Method for making 3-hydroxy, 3ଲ-substituted-pregnanes This invention provides a simplified method for converting pregnan-3,20-dione compounds to 3-hydroxy,3ଲ-substituted-pregnanes. By selective use of reagents the unprotected dione is converted chemoselectively and diastereoselectively into... | 06/07/1994 |
| 5314932 | Antifouling coating and method for using same A method of controlling the attachment of organisms to an underwater surface is disclosed. The method comprises contacting the organisms with a compound of Formula I ##STR1## wherein R1 is hydrogen hydroxyl C1 -C20 al... | 05/24/1994 |
| 5252630 | Antifouling coating and method for using same A method of controlling the attachment of organisms to an underwater surface is disclosed. The method comprises contacting the organisms with a compound of Formula I ##STR1## wherein R1 is hydrogen, hydroxyl, C1-C.sub.20 alkyl, ... | 10/12/1993 |
| 5232917 | Methods, compositions, and compounds for allosteric modulation of the GABA receptor by members of the androstane and pregnane series Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, insomnia and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-aminobutyric acid receptor-chloride ionoph... | 08/03/1993 |
| 5208227 | Method, compositions, and compounds for modulating brain excitability Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-ammobutyric acid/benzodiazepine receptor-chloride i... | 05/04/1993 |
| 5175281 | Pharmaceutically active pyrimidinylpiperazinylsterioids Disclosed are Ɗ9(11) -steroids (VI) and amino substituted steroids (XI) which contain an amino group attached to the terminal carbon atom of the C17 -side chain, more particularly amino steroids (Ia and Ib), aromatic steroids (II), ... | 12/29/1992 |
| 5120723 | Method, compositions, and compounds for modulating brain excitability Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-ammobutyric acid/benzodiazepine receptor-chloride i... | 06/09/1992 |
| 5017568 | Steriod 5-alpha-reductase inhibitors Invented are substituted acrylate analogues of steroidal synthetic compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5--reductase. Also invented are intermediates used in prep... | 05/21/1991 |
| 4975537 | Ɗ9(11) -angiostatic steroids Disclosed are Ɗ9(11) -steroids of the formula ##STR1## which have been found to be angiostatic and therefore are useful in the control of embryogenesis, inflammatory conditions, tumor growth as well as other abnormalities.... | 12/04/1990 |
| 4970205 | Sulfonic acid substituted aromatic steroids as inhibitors of steroid 5--reductase Invented are sulfonic acid substituted analogues of steroidal synthetic compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5--reductase, including using these compounds to redu... | 11/13/1990 |
| 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 |
| 4937237 | Phosphinic acid substituted aromatic steroids as inhibitors of steroid 5-60 -reductase Invented are phosphinic acid substituted analogues of steroidal synthetic compounds, pharamaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5--reductase, including using these compounds to r... | 06/26/1990 |
| 4891366 | Novel 2ଲ,16ଲ-diamino-androstanes 2ଲ,16ଲ-diamino-3,17-oxygenated androstanes having one quaternized group, process for the preparation of these compounds and pharmaceutical compositions comprising such compounds as the active ingredient. The aforementioned compou... | 01/02/1990 |
| 4882319 | Phosphonic acid substituted aromatic steroids as inhibitors of steroid 5--reductase Invented are phosphonic acid substituted analogues of steroidal synthetic compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5--reductase, including using these compounds to re... | 11/21/1989 |
| 4774236 | 17-(substituted-methyl)-17ଲ-hydroxy/esterified hydroxy steroids and pharmaceutical compositions containing them Steroids of the formula: ##STR1## which are characterized by a 17-cyanomethyl, azidomethyl, methoxymethyl, phenylmethyl, or ethynylmethyl substituent and a 17ଲ-hydroxy/esterified hydroxy substituent. The steroids of this invention h... | 09/27/1988 |
| 4548749 | Process for the preparation of 21-hydroxy-20-keto-Ɗ16 -steroids and new intermediate compounds formed in this process A novel process for the preparation of 21-hydroxy-20-keto-Ɗ16 -steroids comprising reacting a 17-(isocyanosulfonylmethylene)-steroid with an aldehyde and an alcohol to form a 17-(2-alkoxy-3-oxazolin-4-yl)-Ɗ16 -steroid and subjectin... | 10/22/1985 |
| 4519946 | Steroids Novel 19-nor steroids and 19-nor-D-homo-steroids of the formula ##STR1## wherein R1 is an organic radical of 1 to 18 carbons atoms containing at least one atom selected from the group consisting of nitrogen, phosphorous and silicon with th... | 05/28/1985 |
| 4447425 | Mono- and bisquaternary ammonium derivatives of 2ଲ,16ଲ-di-amino-5-androstane derivatives and pharmaceutical preparations containing same This invention relates to novel mono- and bisquaternary ammonium derivatives of 5-androstanes having the formula: ##STR1## wherein: R1 =H or alkyl (1-4 C); R2 and R3 each are alkyl (1-4 C) or form together with the ... | 05/08/1984 |
| 4447424 | Steroid derivatives Novel 19-nor steroids and 19-nor-D-homo-steroids of the formula ##STR1## wherein R1 is an organic radical of 1 to 18 carbon atoms containing at least one atom selected from the group consisting of nitrogen, phosphorous and silicon with the... | 05/08/1984 |
| 4386085 | Novel steroids Novel 19-nor steroids and 19-nor-D-homo-steroids of the formula ##STR1## wherein R1 is an organic radical of 1 to 18 carbon atoms containing at least one atom selected from the group consisting of nitrogen, phosphorous and silicon with the... | 05/31/1983 |
