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| Number | Title | Issue Date |
| 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 |
| 6011025 | 11-(substituted phenyl)-estra-4,9-diene derivatives The invention relates to a 11-(substituted phenyl)-estra-4,9-diene derivative of formula I ##STR1## wherein A, X, R1 and R2 are as defined by the specification. The compounds of the invention have anti-glucocorticoid activity an... | 01/04/2000 |
| 5969150 | Imidazolium cations and processes for their preparation The present invention relates to novel imidazolium compounds and improved processes for the preparation of imidazolium cations with one or more imidazolium moieties optionally substituted with the same or different substituents, which are prepared from a ... | 10/19/1999 |
| 5792859 | Intermediates for 20-oxo-17,21-diol steroids Novel intermediate compounds of formula IV, V, VI, VII and VIII which are useful for the preparation of steroids of the formula ##STR1## wherein the substituents are defined in the specification.... | 08/11/1998 |
| 5723638 | Process for 20-oxo-17,21-diol steroids The invention is drawn to a process for the preparation of a steroid of the formula ##STR1## wherein R1 is hydrogen or alkyl of 1 to 4 carbon atoms, R2 is alkyl of 1 to 4 carbon atoms and theo A, B, C, and D ring system has at ... | 03/03/1998 |
| 5359055 | Pregnane derivatives and processes for production thereof There are provided pregnane derivatives represented by formula ##STR1## wherein A1 represents a hydrogen atom or a hydroxyl group, A2 represents a substituent such as a hydroxyl group when A1 represents a hydrogen ato... | 10/25/1994 |
| 5026882 | Phosphinic acid substituted steroids as inhibitors of steroid 5-reductase The invention relates to 3-phosphinic acid steroidal compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5-reductase.... | 06/25/1991 |
| 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 |
| 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 |
| 4885117 | Process for the preparation of (Z)-17-halovinyl steroids (Z)-17-halovinyl steroids of general Formula I ##STR1## wherein . . . . is a single bond or a double bond, V is a carbon-to-carbon bond or a methylene group, R1 is a hydrogen atom or a methyl group, X is a chlorine atom, a bromine atom or an ... | 12/05/1989 |
| 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 |
| 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 |
| 4340538 | Process for producing 6-fluoro-Ɗ1,4 -3-keto steroids Two processes are disclosed (one-pot and two-pot) for the transformation of a 6ଲ-fluoro-Ɗ1,4 -3-keto steroid (IV) to a 6-fluoro-Ɗ1,4 -3-keto steroid (VI). These processes permit the introduction of a fluorine atom at t... | 07/20/1982 |
| 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 |
| 3943124 | Chemical compounds Steroids of the androstane series having a 3-hydroxy group, a 3ଲ-hydrogen or methyl group; a 10-hydrogen atom or methyl group, an 11-oxo group or two hydrogen atoms at the 11-position, a 17-hydrogen atom, and a group at the 17ଲ-p... | 03/09/1976 |
