Patents
Patents for C07C 401 - Irradiation products of cholesterol or its derivatives; Vitamin d derivatives, 9,10-seco cyclopenta[a]phenanthrene or analogues obtained by chemical preparation without irradiation (3,426)
01/1994
01/06/1994CA2138989A1 Derivatives in the vitamin d series modified at the 20 position, a method of preparing such derivatives, intermediates used in this method, pharmaceutical preparations containing the derivatives and their use in the preparation of drugs
01/05/1994DE4221961A1 22-En-25-oxa-Derivate in der Vitamin D-Reihe, Verfahren zu ihrer Herstellung, diese Derivate enthaltenen pharmazeutische Präparate sowie deren Verwendung als Arzneimittel 22-Ene-25-oxa derivatives in the vitamin D series, process for their preparation, these derivatives contained pharmaceutical preparations and their use as medicaments
01/05/1994DE4220757A1 Derivate in der Vitamin D-Reihe mit Modifikationen in der 20-Position, Verfahren zu ihrer Herstellung, Zwischenprodukte für dieses Verfahren, diese Derivate enthaltende pharmazeutische Präparate sowie deren Verwendung zur Herstellung von Arzneimitteln Derivatives in the vitamin D series with modifications in the 20-position, processes for their preparation, intermediates for this process, pharmaceutical preparations containing these derivatives and their use for the preparation of medicaments
12/1993
12/28/1993US5274142 Vitamin D3 analogues
12/21/1993CA1325422C Prodrug derivatives of carboxylic acid drugs
12/14/1993US5271013 Fault tolerant computer system
12/01/1993CN1022912C Laser synthetic vitamin D
11/1993
11/21/1993CA2096196A1 Pharmaceutical compositions
11/09/1993US5260290 Homologated vitamin D2 compounds and the corresponding 1α-hydroxylated derivatives
11/09/1993CA1324129C Prostaglandins of the f series
10/1993
10/28/1993WO1993021205A1 Isolation of steroids containing a 5,7-diene functionality from a sterol mixture
10/28/1993WO1993021204A1 Method for preparing cholesta-5,7-diene-3-beta,25-diol and analogs thereof
10/28/1993WO1993021198A1 Novel sialylsteroid
10/27/1993EP0271552B1 Derivatives of all-trans- and 13-cis retinoic acid and methods for preparing same
10/20/1993EP0566030A2 Process for producing optically active olefin
10/12/1993US5252191 Method for the photochemical isomerization of organic compounds under the influence of a photosensitizer
10/05/1993US5250523 Anticarcinogenic and tumor agents; leukemia; promoting the differentiation of malignant cells to normal cells with minimal calcemic acitivity
09/1993
09/30/1993WO1993019044A1 Novel vitamin d analogues
09/30/1993CA2120703A1 Novel vitamin d analogues
09/29/1993EP0562497A1 1 alpha-hydroxy vitamins D7 and D4' processes for the preparation thereof and pharmaceutical compositions
09/21/1993US5247123 Vitamin D intermediate, for skin disorders
09/21/1993US5247104 Preparation of 1α, 24-dihydroxyvitamin D analogs
09/21/1993US5246925 19-nor-vitamin D compounds for use in treating hyperparathyroidism
09/16/1993WO1993017688A1 Vitamin d3 analogues
09/01/1993EP0558119A2 Method of preparating 9beta, 10alpha-5,7-diene steroids
08/1993
08/19/1993WO1993016040A1 Fluorine-containing vitamin d3 analogues
08/19/1993WO1993016022A1 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin d and analogues
08/19/1993CA2129136A1 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin d and analogues
08/17/1993US5237110 19-nor-vitamin d compounds
08/05/1993WO1993014763A1 1α-HYDROXY-24-EPI-VITAMIN D¿4?
08/05/1993CA2129120A1 1.alpha.-hydroxy-24-epi-vitamin d4
07/1993
07/15/1993DE4200783A1 New 24-benzyl-vitamin D derivs. as hypercalcaemic agents - used to treat hyperproliferative disorders e.g. psoriasis or tumours
07/14/1993EP0550702A1 METHODS FOR PREPARATION AND USE OF 1$g(a),24-DIHYDROXY VITAMIN D 2?
07/07/1993EP0412110B1 Novel vitamin d analogues
07/06/1993US5225579 Method of manufacturing vitamin D2, Vitamin D3, activated type vitamin D2, activated type vitamin D3, and their derivatives
07/06/1993US5225569 Process for precursors to calcitriol and related compounds
06/1993
06/30/1993EP0549318A2 26,27-Dimethylene-1 alpha, 25-dihydroxyvitamin D2 and 26,27-dihydroxyvitamin D2 and methods for preparing same
06/30/1993CN1073677A 20-methyl-substituted vitamin D-derivatives
06/24/1993WO1993012083A1 22-oxacholecalciferol derivative and production thereof
06/24/1993WO1993012082A1 24,25-dihydroxyvitamin d3 derivative
06/24/1993WO1993012081A1 20-methyl-substituted vitamin d derivates
06/23/1993CN1021325C Process for preparing ethynylphenyl-containing retinoic acid derivatives
06/17/1993DE4141746A1 20-methyl-substituierte vitamin d-derivate 20-methyl-substituted vitamin d derivatives
06/08/1993US5218109 Steroid compounds
05/1993
05/25/1993US5214170 Radioisotope iodine-labeled 1α (or 24R), 25-dihydroxy vitamin D3
05/13/1993WO1993009093A1 Vitamin d amide derivatives
05/11/1993US5210237 Vitamin d3 analogues
05/05/1993EP0539465A1 Use of 20(r)-22-oxa-vitamin d analogues for the treatment of skin ageing.
04/1993
04/27/1993US5206230 Antitumor agents
04/27/1993US5206229 Inhibit cell proliferation, antiinflammatory, treating imbalance of immune system
04/21/1993EP0479871B1 Novel vitamin d analogues
04/13/1993US5202266 25-hydroxy vitamin D3 derivatives, process for their production, and assay method using the same
04/06/1993US5200536 Fluorine-containing vitamin D3 analogues
03/1993
03/31/1993EP0407461B1 Novel cyclopentano-vitamin d analogs
03/23/1993CA1314906C Didehydro vitamin d -derivatives
03/23/1993CA1314872C Fluorine derivatives of vitamin d _and process for producing the same
03/16/1993US5194431 24-cyclopropane vitamin D derivatives
03/03/1993EP0529528A2 Novel vitamin D3 analogues
03/02/1993US5190935 Vitamin d analogues
02/1993
02/24/1993EP0528209A1 Process for preparing intermediates for vitamin D derivatives and novel compounds obtained thereby
01/1993
01/26/1993US5182396 1-hydroxyvitamin d derivatives
01/26/1993US5182393 Process for precursors to calcitriol and related compounds
01/19/1993CA1312872C Vitamin a preparation process
01/07/1993EP0521550A2 Vitamin D compound, method of preparing this compound and intermediate therefor
12/1992
12/30/1992EP0211863B1 Vitamin d derivatives and methods for preparing same
12/29/1992US5175217 Method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds using a polymeric photoinitiator
12/23/1992CN1067243A Methods for preparation and use of 1 alpha, 24 dihydroxy vitamin d2
12/15/1992CA1311501C Calciferol derivatives
12/15/1992CA1311490C Process of preparing higher order cuprate complexes
12/10/1992WO1992021695A1 Vitamin d derivatives comprising a lateral chain expoxide group
12/10/1992WO1992021670A1 New biotenside ester and phosphatide with vitamin d and vitamin e compounds; their preparation and transformation into spontaneously dispersible concentrates and their use for treating tumors
12/10/1992CA2110158A1 Vitamin d derivatives comprising a lateral chain expoxide group
12/02/1992EP0516411A1 Intermediates for the synthesis of 19-nor vitamin D compounds
12/02/1992EP0516410A2 Novel synthesis of 19-nor vitamin D compounds
12/01/1992CA1310959C Fumaric acid derivatives, process for the production thereof and pharmaceutical compositions containing same
11/1992
11/11/1992EP0213129B1 New 9-halogen-prostaglandine
10/1992
10/20/1992US5157135 Treatment of bone disorders, renal diseases
09/1992
09/30/1992EP0506388A1 1-Hydroxyvitamin D derivatives
09/29/1992CA1308100C Processes and intermediates
09/29/1992CA1308027C Stable prostaglandin-containing composition
09/22/1992US5149846 Deuterated analogs of 1,25-dihydroxycholecalciferol
09/16/1992EP0503923A1 Synthesis of 1 alpha-hydroxy-secosterol compounds
09/16/1992EP0503630A1 Cyclohexanetriol derivatives
09/16/1992EP0503035A1 NOVEL 1$g(a)-HYDROXY VITAMIN D 4? AND NOVEL INTERMEDIATES AND ANALOGUES
09/08/1992US5145846 Vitamin D3 analogs
09/08/1992CA1307288C Chemical compounds
08/1992
08/06/1992WO1992012963A1 23-oxa derivatives of d-series vitamins, method of preparing them, pharmaceutical preparations containing them, and the use of such preparations as drugs
07/1992
07/23/1992WO1992012165A1 METHODS FOR PREPARATION AND USE OF 1α,24-DIHYDROXY VITAMIN D¿2?
07/23/1992DE4101953A1 23-oxa-derivate in der vitamin-d-reihe, verfahren zu ihrer herstellung diese derivate enthaltende pharmazeutische praeparate sowie deren verwendung als arzneimittel 23-oxa derivatives in the vitamin-d-series, methods for their manufacture pharmaceutical compositions containing these derivatives and their use as drug
07/07/1992CA1304740C Quaternary ammonium retinoates, their use as cosmetics and as dermotherapic medecine
06/1992
06/30/1992CA1304389C PROCESS AND INTERMEDIATES FOR PREPARING 1.alpha.-HYDROXYVITAMIN D COMPOUNDS
06/09/1992US5120722 Trihydroxy-cholecacliferol and trihydroxy-ergocalciferol for treating leukemia
06/02/1992US5118866 Catalytic oxidation of alcohol with catalyst system of cuprous chloride and tetramethyl piperidine oxide
06/02/1992US5118856 Preparation of cyclohexane-dione derivatives
05/1992
05/26/1992US5117018 1α (or 24R), 25-dihydroxy vitamin D3 derivatives
05/26/1992US5116573 Labelled vitamin d3 derivative and production process thereof
05/20/1992CN1061220A 1alpha-hydroxy vitamin d4 and intermediates and analogues
05/07/1992DE4034730A1 New vitamin=D derivs. with modified side chain
05/06/1992EP0278977B1 Prodrug derivatives of carboxylic acid drugs
05/05/1992US5110958 Antitumor agents
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