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| Number | Title | Issue Date |
| 6900193 | Structural modification of 19-norprogesterone I: 17-α-substituted-11-β-substituted-4-aryl and 21-substituted 19-norpregnadienedione as new antiprogestational agents The present invention relates, inter alia, to compounds having the general formula: in which: R1 is a member selected from the group consisting of —OCH3, —SCH3, —N(CH3)... | 05/31/2005 |
| 6861415 | 21-substituted progesterone derivatives as new antiprogestational agents A compound having the general formula: in which: R1 is a member selected from the group consisting of —OCH3, —SCH3, —N(CH3)2, —NHCH3, —CHO, â€... | 03/01/2005 |
| 6310225 | Processes for the preparation of steroid derivatives, intermediates therefor and processes for the preparation of the intermediates Steroid derivatives useful as intermediates for producing vitamin D derivates as well as processes for producing the steroid derivatives are provided. The steroid derivatives include halide compounds represented by the following formulae: ##STR1## wh... | 10/30/2001 |
| 6172052 | 17ଲ-acyl-17-propynyl-11ଲ-arylsteroids and their derivatives having agonist or antagonist hormonal properties The invention is directed to a novel class of 17ଲ-acyl-17ଲ-propynyl steroids which exhibit potent antiprogestational activity.... | 01/09/2001 |
| 5994333 | Pregnane and cholane steroids as neurochemical initiators of change in human hypothalamic function and related pharmaceutical compositions and methods The invention relates to a method of altering hypothalamic function in an individual. The method comprises nasally administering a human vomeropherin, e.g. a pregnane or cholane steroid, or a pharmaceutical composition containing a vomeropherin, such that... | 11/30/1999 |
| 5972922 | Steroids which inhibit angiogenesis Novel angiostatic ÆŠ4,9(11) -steroids (I), ##STR1## C21 -oxygenated steroids (II) and other known steroidal compounds have been found to be useful in treating angiogenesis in mammals who have a need for the same. These steroids ... | 10/26/1999 |
| 5827842 | 14, 17-C2 -bridged norprogesterone derivatives The invention describes 14,17-C2 -bridged steroids of general formula (I), ##STR1## wherein the various R groups are as defined in the specification, and wherein said steroids are, in contrast with the disclaimed compound 14,17-ethano... | 10/27/1998 |
| 5739125 | 11 Beta-aryl-gona-4, 9-dien-3-ones The invention relates to 11ଲ-aryl-gona-4,9-dienes of formula I ##STR1## wherein the variables are defined in the specification. The compounds are progesterone synthesis inhibitors and are suitable for inducing labor or an abortion, and for trea... | 04/14/1998 |
| 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 |
| 5616743 | 16-methyl-ÆŠ1,4 -pregnadiene-3,20-diones A compound having the formulae selected from the group consisting of ##STR1## wherein R2 and R3 are hydrogen or R2 is fluorine and R3 is formyloxy or acetyloxy, the dotted line in 9(11) position indicates a... | 04/01/1997 |
| 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 |
| 5273971 | 13-alkyl-11ଲ-phenylgonanes There are provided 13-alkyl-11beta-phenyl-gonanes of formula I ##STR1## wherein Z is an oxygen atom or N--OH; R2 is alpha- or beta-position methyl or ethyl; R1 is selected from heteroaryl radicals, cycloalkyl radicals, cycloalkenyl r... | 12/28/1993 |
| 5272140 | 11-aryl steroid derivatives The invention relates to 11-aryl steroid derivatives, having the structure ##STR1## wherein: R1, R2, R3, and R4 are as described in the specification and to processes for their preparation and to pharmaceutical... | 12/21/1993 |
| 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 |
| 5086047 | Novel steroids A compound selected from the group consisting of a compound of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl, alkylthio and haloalkyl of 1 to 6 carbon atoms, alkenyl and alkynyl of 2 to 6 carbon atoms, option... | 02/04/1992 |
| 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 |
| 5064822 | Novel 3-keto-19-nor-ÆŠ4,9 -steroids Novel 3-keto-19-nor-ÆŠ4,9 -steroids of the formula ##STR1## wherein R1 is selected from the group consisting of naphthyl, phenylphenyl, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms optionally containing additiona... | 11/12/1991 |
| 4954490 | 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-... | 09/04/1990 |
| 4921638 | 17ଲ-cyano-9,17-dihydroxyandrost-4-en-3-one The invention is the compound 17ଲ-cyano-9, 17-dihydroxyandrost-4-en-3-one (I) which is particularly useful as an intermediate in the production of the 17-halo silyl ethers (II).... | 05/01/1990 |
| 4913852 | Compounds obtained from the associative synthesis of sulfur-containing or sulfur-free amino acids with pregnane derivatives Compounds obtained from the associative synthesis of sulfur-containing or sulfur-free amino acids with derivatives of ÆŠ-4-pregnene-3,20-dione or with derivatives of ÆŠ-1,4-pregnadiene-3,20-dione of the general formulas (I), (II) and (III), having glucoco... | 04/03/1990 |
| 4870069 | 11ଲ-alkynyl-estrenes and -estradienes, their production and pharmaceutical preparations containing them 11ଲ-substituted steroids of the formula ##STR1## wherein A and B together represent a second bond between the 6-position and 7-position carbon atoms, or, respectively, are each H; X is O, two H atoms or hydroximino; Z is the residue of a pentagonal ... | 09/26/1989 |
| 4867914 | Pregnane derivatives and method of producing the same There are provided 12-hydroxy-ÆŠ4 or ÆŠ1,4 -pregnan-3-one-20-carbaldehyde and microbial method of producing the same. The compounds are novel and useful as starting materials for the synthesis of corticoids, typically prednisone, pre... | 09/19/1989 |
| 4867913 | 12-substituted pregna-1,4-diene-3,20-diones 12-Substituted pregna-1,4-diene-3,20-diones, which are novel compounds, are provided. These compounds are useful as intermediates for the synthesis of antiinflammatory corticoids represented by prednisone, prednisolone, etc.... | 09/19/1989 |
| 4634695 | 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... | 01/06/1987 |
| 4603128 | Mineralocorticoid hormone antagonists 7-acylthio-4-pregnene-3,20-diones, active as mineralocorticoid hormone antagonists, of the formula: ##STR1## in which R1 is hydrogen, hydroxyl or acyloxy --OR2, R2 is an acyl group derived from a straight or br... | 07/29/1986 |
| 4601855 | Method of preparing 9ଲ, 10-5,7-diene steroids The invention relates to the preparation of 9ଲ,10-5,7-diene steroids by irradiating the corresponding 9,10ଲ steroids with filtered ultraviolet light of an antimony lamp.... | 07/22/1986 |
| 4551278 | Preparation of 20-keto-ÆŠ16 -steroids A novel process for the preparation of 20-keto-ÆŠ16 -steroids comprising reacting a 17-(isocyanosulfonylmethylene)-steroid with an alkylating agent QR4 wherein R4 is an organic group and Q is a group or atom readily displa... | 11/05/1985 |
| 4519949 | Steroid-20-carboxylic acid compounds and a process for their production New ÆŠ1,4,9(11)-pregnatrien-3-one-2o-carboxlic acid compounds are described, corresponding to general formula I below: ##STR1## in which X represents halogen, particularly chlorine or bromine or NH2. There is also described the process for... | 05/28/1985 |
| 4512986 | Progrestationally active steroids Novel steroids having the formula ##STR1## wherein R1 is selected from the group consisting of methyl, ethyl, and propyl; R2 is selected from the group consisting of H and methyl; R3 is selected from the group consisting o... | 04/23/1985 |
| 4501701 | 20-Isocyano-ÆŠ17(20) -steroids Novel 20-isocyano-ÆŠ17(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 |
| 4477445 | 3-Keto-19-nor-ÆŠ4,9-steroids Novel 3-keto-19-nor-ÆŠ4,9-steroids of the formula ##STR1##... | 10/16/1984 |
| 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 |
| 4446072 | Process for degrading the 20-carboxyl group of ÆŠ4-Steroid-20-carboxylic acids ÆŠ4-Steroid-20-carboxylic acids (BNC compounds) which may optionally contain at least one other double bond in the 1(2)- and/or 9(11)-position and which may also contain an oxygen function, particularly a hydroxyl group or a keto group, in the 11-position... | 05/01/1984 |
| 4431591 | 24-Nor-1,4-choladiene-3,22-dione The subject invention concerns a novel fermentation process for making the useful steroid intermediate 24-nor-1,4-choladiene-3,22-dione (I). Compound (I) can be converted to valuable corticoids by known methods.... | 02/14/1984 |
| 4430270 | Process for the production of delta 4-C21-steroid compounds C21-steroid compounds with a nitrogen function in the 20-position corresponding to general formula I below ##STR1## in which Y is hydrogen, a hydroxyl group or, together with the C-atom substituted by Y, represents a carbonyl group or may even be rep... | 02/07/1984 |
| 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 |
| 4404141 | ÆŠ9(11) - And ÆŠ16 -21-chloro-20-keto steroids of the pregnane and D-homopregnane series, their preparation and use as intermediates for the synthesis of highly effective corticoids ÆŠ16 - and ÆŠ17 -21-chloro-20-keto steroids of the formula ##STR1## wherein n is 1 or 2, C1 C2 and C9 C11 represent a CC-single or CC-double bond, R1 is H or OH, R2 | 09/13/1983 |
| 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 |
| 4309423 | Compounds of the pregnane series with an oxygen function in the 19-position, processes for their manufacture and pharmaceutical preparations containing these compounds 19-Oxygenated steroid compounds of the pregnane series of the formula I ##STR1## in which R1 represents a hydrogen atom, and R2 represents an -oriented lower alkanoylthio group, or R1 and R2 together represent... | 01/05/1982 |
| 4305881 | Process for 1,3ଲ-dihydroxy-ÆŠ5 -steroids A process for the synthesis of 1,3ଲ-dihydroxy-ÆŠ5 -steroids from steroids such as 1,2-epoxy-cholesta-4,6-dien-3-one, which is reacted with lithium in liquid ammonia in the absence of a proton donator and subseque... | 12/15/1981 |
