Patents
Patents for C07J 73 - Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms (1,160)
02/2004
02/04/2004CN1473165A Process
01/2004
01/27/2004CA2166089C 17-halogeno-4-azaandrostene derivatives and process for the preparation thereof
01/22/2004WO2004007523A1 Method for introducing a 1,2 double bond into 3-oxo-4-azasteroid compounds
01/22/2004CA2497611A1 Method for introducing a 1,2 double bond into 3-oxo-4-azasteroid compounds
01/14/2004EP1116725B1 Process for obtaining 17beta-(n-terc-butylcarbamoyl)-3-one-4-aza-steroids
01/14/2004CN1468254A Novel polymorphic form of 17- beta -(n-ter.butyl carbamoyl)-4-aza-5- alpha -androst-1-en-3-one and a process for preparing it
01/13/2004US6677453 Production of polymorphic forms I and II of finasteride by complexation with group I or II metal salts
01/07/2004CN1133644C Simple synthesizing process for rapin lactones and the like
12/2003
12/24/2003WO2003105868A1 Novel maxi-k channel blockers, methods of use and process for making the same
12/24/2003WO2003105724A2 Novel maxi-k channel blockers, methods of use and process for making the same
12/24/2003CA2488884A1 Novel maxi-k channel blockers, methods of use and process for making the same
12/24/2003CA2488752A1 Novel maxi-k channel blockers, methods of use and process for making the same
12/17/2003CN1131238C 3-substituted-3-homo-1,3,5 (10)-estratriene derivatives
12/09/2003US6660132 Photochemical and thermochemical solar syntheses using flat-bed solar collectors/solar reactors
12/03/2003CN1129433C Use of formyl amine for preparing composition for treating lipsotrichia
11/2003
11/20/2003WO2003095472A1 Process for dehydrogenation of azaandrostane compounds
11/20/2003US20030215902 Process for dehydrogenation of azaandros tane compounds
11/13/2003WO2003092588A2 4-azasteroid derivatives as androgen receptor modulators
11/13/2003CA2484173A1 4-azasteroid derivatives as androgen receptor modulators
11/11/2003US6645974 Androgen receptor modulators and methods for use thereof
11/06/2003WO2003027132A3 METHOD OF PREPARING 17β-(N-TERT-BUTYLCARBAMOYL)-3-ONE STEROID DERIVATIVES
09/2003
09/25/2003WO2003077919A1 Fluorinated 4-azasteroid derivatives as androgen receptor modulators
09/23/2003CA2085706C Process for producing a lactone or an ester
09/17/2003CN1442426A Diterpene compound of veronicastrum sibiricum and its extraction separation method
08/2003
08/20/2003EP1335930A2 Process
08/13/2003EP1334115A1 Phenanthridine derivatives and antitumoral medicaments containing phenanthridine
07/2003
07/31/2003WO2003062187A1 Process for producing 2,5-bis(trifluoromethyl)nitrobenzene
07/24/2003WO2003059293A2 17-hydroxy-4-aza-androstan-3-ones as androgen receptor modulators
07/23/2003EP1189925B1 New process for the synthesis of 17beta-hydroxy-17alpha-methyl-2-oxa-5alpha-androstane-3-one
07/16/2003CN1114612C Process for synthesizing long-acting rapin lactones
07/02/2003EP1322663A1 Novel polymorphic form of 17-beta-(n-ter.butyl carbamoyl)-4-aza-5- g(a)-androst-1-en-3-one and a process for preparing it
06/2003
06/25/2003EP1077765B1 Photochemical and thermochemical solar syntheses using flat-bed solar collectors/solar reactors
06/24/2003US6583298 Ring closure and reduction of 17-hydroxy-17-methyl-1,3-seco-2-nor-5-androstane-1,3-diacid without intermediate separation
06/19/2003WO2003029267A3 METHOD OF PRODUCING 17β-(SUBSTITUTED)-3-OXO-Δ1,2-4-AZASTEROIDS AND INTERMEDIATES
06/12/2003US20030109721 Oxidation of mestanolone; hydroxylation; reduction
05/2003
05/13/2003US6563021 Production of cotton fiber with improved fiber characteristics
05/13/2003CA2173863C 16-substituted-4-aza-androstane 5-alpha-reductase isozyme 1 inhibitors
05/01/2003US20030083231 Used of androstane derivatives in treatment of conditions such as thrombocytopenia, neutropenia or the delayed effects of radiation therapy
04/2003
04/24/2003WO2003033518A1 Steroidal compounds for inhibiting steroid sulphatase
04/23/2003EP0873315B1 Phenanthridine derivatives, methods of producing them and medicaments containing phenanthridine derivatives
04/15/2003CA2084775C Method of treating human prostatic adenocarcinoma
04/10/2003WO2003029267A2 METHOD OF PRODUCING 17β-(SUBSTITUTED)-3-OXO-Δ1,2-4-AZASTEROIDS AND INTERMEDIATES
04/10/2003CA2461221A1 Method of producing 17.beta.-(substituted)-3-oxo-.delta.1,2-4-azasteroids and intermediates
04/03/2003WO2003027132A2 METHOD OF PREPARING 17β-(N-TERT-BUTYLCARBAMOYL)-3-ONE STEROID DERIVATIVES
04/03/2003US20030065004 Androgen receptor modulators and methods for use thereof
04/02/2003CN1104439C Phenyl substituted 4-azasteroidal fluorine derivatives, preparation thereof and pharmaceutical compositions containing them
03/2003
03/27/2003US20030060425 Immune modulation method using steroid compounds
03/20/2003WO2002046207A3 Process
03/13/2003WO2003020744A1 Methylene-4-azasteroids
02/2003
02/13/2003WO2003011302A1 Androgen receptor modulators and methods of use thereof
02/13/2003CA2455179A1 Androgen receptor modulators and methods of use thereof
02/05/2003CN1394870A Method for separating and purifying tanshinone
01/2003
01/28/2003CA2084799C Method of prevention of prostatic carcinoma with 17 beta-n-monosubstituted-carbamoyl-4-aza-5 alpha-androst-1 -en-3-ones
01/21/2003US6509466 Reacting 17 beta-(alkoxycarbonyl)-3-one-4-aza-steroid with lithium tert-butylamide in an organic solvent
12/2002
12/19/2002WO2002100880A1 Method for preparing oestrogen derivatives
11/2002
11/13/2002CN1379784A Production of polymorphic forms I and II of finasteride by complexation with group I or II metal
08/2002
08/13/2002US6432971 Method of prevention of prostatic carcinoma with 17β-N-monosubstituted-carbamoyl-4-aza-5α-androst-1-en-3-ones
08/07/2002EP1228084A1 Production of polymorphic forms i and ii of finasteride by complexation with group i or ii metal salts
07/2002
07/24/2002EP1223941A2 Therapeutic treatments comprising administratoin of certain steroids for blood cell deficiencies
06/2002
06/26/2002CN1355809A Immunomodulatory steroids, in particular hemihydrate of 16 alpha-bromoepiandrosterone
06/13/2002WO2002046207A2 Process
06/13/2002CA2427709A1 Process for the preparation of 5.alpha.-reductase inhibitors
06/12/2002EP0880540B1 17-beta-cyclopropyl(amino/oxy) 4-aza steroids as active inhibitors of testosterone 5-alpha-reductase and c17-20-lyase
05/2002
05/14/2002CA2029859C Method for introducing a 1,2 double bond into azasteroids
05/10/2002WO2002036607A1 Phenanthridine derivatives and antitumoral medicaments containing phenanthridine
05/08/2002DE10054337A1 Phenanthridinderivate und Phenanthridin enthaltende antitumorale Arzneimittel Phenanthridine derivatives and phenanthridine-containing antitumor drug
04/2002
04/30/2002US6380179 Administering n-(1-methyl-1-(4-methoxyphenyl)ethyl)-3-oxo-4-aza-5alpha-andro st-1-ene-17beta-carbaxamide
04/09/2002US6369247 Process for oxidation of steroidal compounds having allylic groups
03/2002
03/27/2002EP1189925A1 New process for the synthesis of 17beta-hydroxy-17alpha-methyl-2-oxa-5alpha-androstane-3-one
03/27/2002EP0705273B1 17-halogeno-4-azaandrostene derivatives and process for the preparation thereof
03/27/2002EP0705272B1 Novel process for preparing 17 beta-substituted 4-azaandrostane derivatives
03/21/2002US20020035260 4-aza-steroids
03/14/2002WO2002020553A1 NOVEL POLYMORPHIC FORM OF 17-β-(N-TER.BUTYL CARBAMOYL)-4-AZA-5-α-ANDROST-1-EN-3-ONE AND A PROCESS FOR PREPARING IT
03/14/2002CA2422159A1 Novel polymorphic form of 17-beta-(n-ter.butyl carbamoyl)-4-aza-5-alpha-androst-1-en-3-one and a process for preparing it
02/2002
02/27/2002EP0984979B1 Synthesis of 2-alkoxyestradiols
02/27/2002EP0970105B1 Process for preparing carboxamido-4-azasteroids
02/14/2002WO2001030802A3 Therapeutic treatments comprising administration of certain steroids for blood cell deficiencies
01/2002
01/30/2002EP1175218A1 Ocular therapy in keratoconjuctivitis sicca using topically applied androgens or tgf-beta
01/22/2002CA2049882C Process for iodinating or brominating the alpha-methylenic carbon of a secondary amide
12/2001
12/19/2001EP1163256A1 Immunomodulatory steroids, in particular the hemihydrate of 16.alpha.-bromoepiandrosterone
12/06/2001US20010049376 Method of prevention of prostatic carcinoma with 17beta-N-monosubstituted-carbamoyl-4-aza-5alpha-androst-1-en-3-ones
10/2001
10/31/2001EP0799239B1 Diastereomerically pure 3-oxo and 3-thioxo-4-aza-androstan derivatives and the use thereof as antiandrogens
10/17/2001CN1072935C Prepn. method for medical compsns. contg. aza-steroid compound for treating prostatic hyperplasia
10/10/2001CN1072679C Azasteroid compound, preparation and its use
10/02/2001CA2054368C Azasteroid compounds for the treatment of prostatic hypertrophy, their preparation and use
09/2001
09/13/2001WO1997014683A3 Phenanthridine derivatives, methods of producing them and medicaments containing phenanthridine derivatives
09/05/2001EP0862556B1 17-alkyl-7-substituted-4-aza steroid derivatives
09/04/2001US6284887 Process for preparing carboxamido-4-azasteroids
08/2001
08/30/2001US20010018773 Production of cotton fiber with improved fiber characteristics
07/2001
07/31/2001US6268376 Method of prevention of prostatic carcinoma with 17β-N-monosubstituted-carbamoyl-4-aza-5α-androst-1-en-3-ones
07/19/2001US20010008895 Reacting 17 beta-(alkoxycarbonyl)-3-one-4-aza-steroid with lithium tert-butylamide in an organic solvent
07/18/2001EP1116725A1 Process for obtaining 17beta-(n-terc-butylcarbamoyl)-3-one-4-aza-steroids
07/18/2001EP0674521B1 METHOD OF TREATMENT OF CHRONIC PROSTATITIS WITH 17$g(b)-N-TERTBUTYLCARBAMOYL-4-AZA-5$g(a)-ANDROST-1-EN-3-ONE
05/2001
05/10/2001WO2001032683A1 Production of polymorphic forms i and ii of finasteride by complexation with group i or ii metal salts
05/10/2001CA2389666A1 Production of polymorphic forms i and ii of finasteride by complexation with group i or ii metal salts
05/03/2001WO2001030802A2 Therapeutic treatments comprising administration of certain steroids for blood cell deficiencies
05/01/2001US6225536 Nucleotide sequences from preferential ovules or fibers of plants; for the generation of plants with amplified fiber length, fineness and strength
04/2001
04/17/2001US6218425 Useful in the treatment of estrogen-related disorders such as osteoporosis, hyperlipidemia, estrogen-related breast cancer, uterine fibrosis, endometriosis, and restenosis
04/05/2001WO2001002422A9 PROCESS FOR OBTAINING 17β-(N-TERC-BUTYLCARBAMOYL)-3-ONE-4-AZA-STEROIDS
03/2001
03/20/2001US6204273 Treatment of androgenic sensitive disorders such as acne vulgaris, seborrhea, female hirsutism, male pattern baldness, and benign prostatic hyperplasia.
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