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| Number | Title | Issue Date |
| 6579864 | 3-methylene steroid derivatives The invention concerns a 3-methylene steroid derivative having general formula (1) wherein R1 is H or together with R3 forms a ଲ-epoxide or R1 is absent if there is a 5-10 or 4-5 double bond; R2 is (C... | 06/17/2003 |
| 6518262 | 22R-hydroxycholesta-8, 14-diene derivatives for the inhibition of meiosis The invention relates to 22R-hydroxycholesta-8,14-diene derivatives having general formula (I) wherein R1 is OR, OS03 H or .dbd.NOR; with R being H, (C1-6)alkyl or (C1-6)acyl; each of R2 and R3 ... | 02/11/2003 |
| 6500815 | Substituted 11.beta steroid derivatives, method for preparing same and intermediates of said method, use as medicine and compositions containing them The invention concerns compounds of formula (I) wherein: X, Y, R1, R2, Z, G are as defined in the description, the methods for preparing them and the intermediates in said method, their use as medicine and the pharmaceutical composit... | 12/31/2002 |
| 6262282 | 17ଲ-allyloxy(thio)alkyl-androstane derivatives for the modulation of meiosis The invention relates to 17ଲ-allyloxy(thio)alkyl-androstane derivatives having general formula (I) wherein R1 is (H, OR), (H, OSO3 H) or NOR; with R being H, (C1-6)alkyl or (C1-6)acyl; each of R2 | 07/17/2001 |
| 6251887 | 17ଲ-aryl(arylmethyl)oxy(thio)alkyl-androstane derivatives The invention relates to 17ଲ-aryl(arylmethyl)oxy(thio)alkyl-androstane derivatives having general formula (I), wherein R1 is (H,OR), (H,OSO3 H) or NOR; with R being H, (C1-6)alkyl or (C1-6)acyl; each of R | 06/26/2001 |
| 6180803 | 19-nor-pregnene derivatives and pharmaceuticals containing such derivatives The invention relates to compounds of the formula: ##STR1## in which R1, R2, R3, R4, R5, R6, n and X are as defined in the specification, and to pharmaceutical compositions containing them.... | 01/30/2001 |
| 5034548 | Steroid derivatives useful as hypocholesterolemics Lanosterols substituted in the 14 and/or 15 position(s) which are active in inhibiting lanosta-8,24-dien-3ଲ-ol 14-methyl-demethylase activity, suppressing 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGR) activity, decreasing cholesterol... | 07/23/1991 |
| 4898694 | 17-Hydroxy-steroids Compounds of the formulae: ##STR1## are useful as anti-cancer, anti-obesity, anti-diabetic, anti-coronary agents, anti-aging agents, anti-hypolipidemic agents and anti-autoimmune agents.... | 02/06/1990 |
| 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 |
| 4031075 | Alkylated pregnanes and process for obtaining same The invention relates to novel 21-alkylated steroids of the pregnane series having the formula: ##STR1## WHEREIN X = H or halogen; Y = h2, h(oh), h(oacyl), O or H(halogen); R1 = an alkyl group having 1-4 C-atoms; R2 = r | 06/21/1977 |
| 3963766 | Process for separation of 19-nor-Ɗ4 -androstene-3,17-dione In a process for separating 19-nor-Ɗ4 -androstene-3,17-dione from a mixture of steroids which is obtained by the Birch reduction of an alkyl or an aralkyl ether of estrone acetal having the following formula (I), ##SPC1## wherein R is sel... | 06/15/1976 |
