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)
01/2009
01/21/2009EP1765848B1 Process for the preparation of 4-azasteroids
12/2008
12/24/2008CN101328203A Method for extracting tanshinone from Salvia miltiorrhiza waste residue
12/18/2008US20080312266 Steroidal Compounds For Inhibiting Steroid Sulphatase
12/17/2008CN100443498C Use of anti-inflammatory medicine for scheelite total saponin and its saponin compound
12/03/2008CN100439390C Long-lasting rapin lactone and its uses in preparing plant growth regulator
11/2008
11/19/2008EP1991559A2 Oxa-steroids derivatives as selective progesterone receptor modulators
11/05/2008EP1223941B1 Therapeutic treatments for blood cell deficiencies using sreroids
10/2008
10/30/2008US20080269509 producing a ketooleanolic acid that can be an intermediate for synthesis of pharmaceuticals; minimize the environmental pollution
09/2008
09/17/2008CN101265286A Method for separating and enriching cryptotanshinone from red sage root
09/03/2008CN101255186A Tripterygium wilfordii diterpenes diterpenoids lactones derivative and uses thereof
09/03/2008CN101255185A Method for preparing brassin lactones
08/2008
08/27/2008EP1960417A1 Polymorphs of androgen receptor modulator - (n-3h-imidazo [4 , 5-b] pyridin-2-yl-methyl) -2-fluoro-4-methyl-3-oxo-4-aza-androst- 1-en-17 . beta . -carboxamide
08/27/2008EP1651661B1 Process for the preparation of finasteride form i
08/21/2008CA2579397A1 Process for the preparation of 17-n-substituted carbamoyl-4-aza-androst-1-en-ones
08/12/2008US7410977 Fluorinated 4-azasteroids as androgen receptor modulators
07/2008
07/22/2008CA2458932C Methylene-4-azasteroids
07/09/2008EP1940386A2 Wortmannin conjugates and uses thereof
07/02/2008CN101210041A Method for separating and preparing tanshinone IIA chemical reference substance
06/2008
06/18/2008CN101200490A Method for preparing high-purity tanshinoneóA
06/18/2008CN101200489A Method for refining tanshinoneóA sodium sulfonate
06/03/2008US7381718 new process for the preparation of a key intermediate
05/2008
05/14/2008EP1660184A4 17-acetamido-4-azasteroid derivatives as androgen receptor modulators
05/14/2008CN100387613C Manufacture method of ethyl brassinolide
04/2008
04/23/2008CN101166741A Process for making fluorinated 4-azasteroid derivatives and intermediates thereof
03/2008
03/18/2008US7345034 1-[3-(8-methyl-5,6,6a,7,8,9,10,11-octahydro-4bH-benzo[4,5]indeno[1,7a-c]pyrrol-2-yl)-phenyl]-ethanone; histaminergic nerve endings and neurons with adrenergic, cholinergic, serotoninergic, and dopaminergic activity; memory and cognition processes, neurological processes, cardiovascular function
02/2008
02/12/2008US7329750 17-Acetamido-4-azasteroid derivatives as androgen receptor modulators
01/2008
01/23/2008EP1879889A1 Process for making fluorinated 4-azasteroid derivatives and intermediate thereof
12/2007
12/19/2007CN100355772C Steroid compound with 5-alpha reductase active and preparation process thereof
12/06/2007WO2007098388A3 Oxa-steroids derivatives as selective progesterone receptor modulators
11/2007
11/21/2007EP1468983B1 Process for producing 2,5-bis(trifluoromethyl)nitrobenzene
11/14/2007CN101070338A Tanshinone IIA potassium sulfonate used for preparing medicine for preventing and treating cerebral ischemia and cerebral anoxia and myocardial ischemia and myocardio anoxia
11/13/2007US7294646 Indole diterpene natural product and synthetic compound; Potassium channel blockers or a formulation thereof in the treatment of glaucoma and other conditions related to elevated intraocular pressure in the eye
10/2007
10/31/2007EP1437361B1 Method of producing 17beta-(substituted)-3-oxo-delta 1,2-4-azasteroids
10/23/2007CA2478971C Androstenones
10/23/2007CA2449679C Androstenones
10/18/2007US20070243266 N-[1(R)-(3H-imidazo[4,5-b]pyridin-2-yl)ethyl]-2-fluoro-4-methyl-3-oxo-4-aza-5 alpha -androst-1-en-17 beta -carboxamide; osteoporosis, periodontal disease, bone fracture, frailty, sarcopenia, depression, sexual dysfunction, and cognitive decline; tissue-selective androgen receptor modulators(SARM)
10/02/2007US7276513 Steroidal compounds for inhibiting steroid sulphatase
09/2007
09/19/2007CN101039952A Analogs of 17-hydroxywortmannin as pi3k inhibitors
09/11/2007CA2372720C Androgen glycosides and androgenic activity thereof
09/05/2007CN100335073C Process for preparing semen momordicae seed extract containing triterpene saponin component
08/2007
08/30/2007CA2642834A1 Oxa-steroids derivatives as selective progesterone receptor modulators
08/29/2007EP1824495A2 Finasteride, dutasteride and related compounds for preventing/treating neurologically-associated disorders
08/21/2007CA2387600C Novel fusidic acid derivatives
08/08/2007CN101012270A Tanshinone derivative and its application in preparing aldose reduction enzyme inhibitor pharmaceutical
08/01/2007EP1019060B1 Androgen synthesis inhibitors
07/2007
07/18/2007CN100999542A Green synthesizing process of rape cin lactone and its analogue
06/2007
06/27/2007EP1799699A1 Analogs of 17-hydroxywortmannin as pi3k inhibitors
06/20/2007CN1322002C Methylene-4-azasteroids
06/14/2007WO2007067490A1 POLYMORPHS OF ANDROGEN RECEPTOR MODULATOR - (N-3H-IMIDAZO [4 , 5-B] PYRIDIN-2-YL-METHYL) -2-FLUORO-4-METHYL-3-OXO-4-AZA-ANDROST- l-EN-17 . BETA . -CARBOXAMIDE
06/14/2007CA2631936A1 Polymorphs of androgen receptor modulator - (n-3h-imidazo [4 , 5-b] pyridin-2-yl-methyl) -2-fluoro-4-methyl-3-oxo-4-aza-androst- 1-en-17 . beta . -carboxamide
06/13/2007CN1980950A Process for the preparation of 4-azasteroids
06/06/2007CN1319985C Method for introducing a 1,2 double bond into 3-oxo-4-azasteroid compounds
05/2007
05/30/2007EP1790653A2 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
05/24/2007US20070117982 Method for producing 1,2-unsaturated azasteroids
05/16/2007EP1784187A2 Androgen receptor modulators
05/16/2007EP1334115B1 Phenanthridine derivatives and antitumoral medicaments containing phenanthridine
05/16/2007CN1962688A Long-lasting rapin lactone and its uses in preparing plant growth regulator
05/16/2007CN1962687A Process for extracting tanshinone analog compound from red sage root
05/10/2007US20070105886 Steroidal compounds for inhibiting steroid sulphatase
05/02/2007CN1313480C Process
04/2007
04/25/2007CN1951953A Tanshinone and salvianolic acid B combined production method
04/24/2007CA2073855C Glycoalkaloids for controlling cellular autophagy
04/19/2007US20070088028 17-Acetamido-4-azasteroid derivatives as androgen receptor modulators
04/18/2007CN1950086A Fluorinated 4-azasteroids as androgen receptor modulators
04/11/2007CN1944455A Process for extracting tanshinone II A, cryptotanshinone, dihydro tanshinone and tanshinone I
03/2007
03/28/2007EP1765848A1 Process for the preparation of 4-azasteroids
03/28/2007CN1935832A Use of CO2SFE for extracting triterpene substance from glossy ganoderma sporophore
03/07/2007CN1923846A Extraction method of tanshinone IIA
03/06/2007US7186838 Fluorinated 4-azasteroid derivatives as androgen receptor modulators
03/06/2007US7186728 Methylene-4-azasteroids
02/2007
02/28/2007EP1757573A1 Oxidation reaction of alcohol using hydrogen peroxide and tungsten catalyst
02/28/2007CN1919863A 2-aza steride framework compound and synthesis method
02/21/2007EP1539703A4 Method for the selective preparation of 3-oxo-4-aza-5a-androstane compound
02/07/2007CN1298730C Steroid framework compound, synthesizing process and its use
01/2007
01/25/2007US20070021455 Process for the preparation of finasteride form i
01/17/2007EP1742631A1 Fluorinated 4-azasteroids as androgen receptor modulators
01/02/2007CA2168850C Estrogenic compounds as anti-mitotic agents
12/2006
12/27/2006EP1734964A1 17 beta-acetamide-4-azasteroids as androgen receptor modulators
12/21/2006US20060287348 N-(pyridin-2-ylmethyl)-4-methyl-3-oxo-4-aza-5 alpha -androst-1-en-17 beta -acetamide; enhancement of weakened muscle tone; osteoporosis, bone disorders; ; periodontal disease, frailty, aging skin, male hypogonadism, postmenopausal symptoms, inflammatory arthritis, cachexia, Alzheimer's disease
12/21/2006US20060287326 17-Acetamido-4-azasteroid derivatives as androgen receptor modulators
12/14/2006US20060281761 Osteoporosis; oral diseases; bone disorders; atherosclerosis; antiarthritic agents; autoimmune disease; cachexia
11/2006
11/22/2006CN1865278A Manufacture method of ethyl brassinolide
11/16/2006WO2006121655A1 Process for making fluorinated 4-azasteroid derivatives and intermediate thereof
11/16/2006US20060258661 N-(pyridin-2-ylmethyl)-4-methyl-3-oxo-4-aza-5 alpha -androst-1-en-17 beta -acetamide; enhancement of weakened muscle tone; osteoporosis, bone disorders; ; periodontal disease, frailty, aging skin, male hypogonadism, postmenopausal symptoms, inflammatory arthritis, cachexia, Alzheimer's disease
11/16/2006CA2606595A1 Process for making fluorinated 4-azasteroid derivatives and intermediate thereof
10/2006
10/25/2006EP1713820A1 Selective estrogen receptor modulators
09/2006
09/27/2006EP1704162A1 Method for producing 1,2-unsaturated azasteroids
09/13/2006CN1274711C Method of preparing general phenolic acid of red sange root for treating hepatic fibrosis
09/06/2006EP1696925A2 21-heterocyclic-4-azasteroid derivatives as androgen receptor modulators
08/2006
08/29/2006US7098218 7,8,9, or 10-sulfamyl, (thio)phosphonyl, sulfonyl, or sulfonamido-naphth[2,1-f]isoquinolin-1,3-diones; drug screening; enzyme inhibitors; anticarcinogenic agents
08/16/2006CN1817898A Use of anti-inflammatory medicine for scheelite total saponin and its saponin compound
08/09/2006CN1816528A 17-acetamido-4-azasteroid derivatives as androgen receptor modulators
08/09/2006CN1816370A 17-acetamido-4-azasteroid derivatives as androgen receptor modulators
08/09/2006CN1816341A 17-acetamido-4-azasteroid derivatives as androgen receptor modulators
08/02/2006CN1812824A 17-acetamido-4-azasteroid derivatives as androgen receptor modulators
08/01/2006US7084274 heating 3-oxo-4-aza-5-androstene in a mixture of formic acid and an alkanediol in the presence of zinc.
07/2006
07/12/2006EP1504021B1 Process for dehydrogenation of azaandrostane compounds
06/2006
06/28/2006CN1793164A Steroid compound with 5-alpha reductase active and preparation process thereof
06/07/2006EP1663228A1 17-heterocyclic-4-azasteroid derivatives as androgen receptor modulators
06/06/2006US7057045 oxidation with potassium permanganate to cleave oxazolidinedione ring in methanol solvent, and reacting with potassium t-butoxide in dimethylformamide to deblock; testosterone-5 alpha -reductase inhibitors, for treatment of hyperandrogenic disorders
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