Patents by Inventor Stevan Wakefield Djuric
Stevan Wakefield Djuric has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7329675Abstract: This invention is directed to physiologically active compounds of formula (I) wherein represents a bicyclic ring system, of about 10 to about 13 ring members, in which the ring is an azaheterocycle, and the ring represents an azaheteroaryl ring, or an optionally halo substituted benzene ring; and N-oxides thereof, and pharmaceutically acceptable salts of the compounds of formula (I) and N-oxides thereof, Such compounds inhibit the production or physiological effects of TNF and inhibit cyclic AMP phosphodiesterase. The invention is also directed to pharmnaceutical compositions comprising compoundS of formula (I), their phatmaceUtical use and methods for their preparation.Type: GrantFiled: September 1, 2004Date of Patent: February 12, 2008Assignee: Aventis Pharma LimitedInventors: Paul Joseph Cox, Shelley Bower, David John Aldous, Peter Charles Astles, Daniel Gerard McGarry, Christopher Hulme, John Robinson Regan, Fu-Chih Huang, Stevan Wakefield Djuric, Kevin Joseph Moriarty, Rose Mappilakunnel Mathew, Gregory Bernard Poli
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Patent number: 6800645Abstract: This invention is directed to physiologically active compounds of formula (I) wherein represents a bicyclic ring system, of about 10 to about 13 ring members, in which the ring is an azaheterocycle, and the ring represents an azaheteroaryl ring, or an optionally halo substituted benzene ring; R1 represents hydrogen or a straight- or branched-chain alkyl group of 1 to about 4 carbon atoms, optionally substituted by hydroxy or one or more halogen atoms, or when Z1 represents a direct bond R1 may also represent a lower alkenyl or lower alkynyl group, or a formyl group; R2 represents hydrogen, alkenyl, alkoxy, alkyl, alkylsulphinyl, alkylsulphonyl, alkylthio, aryl, arylalkyloxy, arylalkylsulphinyl, arylalkylsulphonyl, arylalkylthio, aryloxy, arylsulphinyl, arylsulphonyl, arylthio, cyano, cycloalkenyl, cycloalkenyloxy, cycloalkyl, cycloalkyloxy, heteroaryl, heteroarylalkyloxy, heteroaryloxy, hydroxy, —SO2NR4R5, —NR4SO2R5, —Type: GrantFiled: July 7, 2000Date of Patent: October 5, 2004Assignee: Aventis Pharma LimitedInventors: Paul Joseph Cox, Shelley Bower, David John Aldous, Peter Charles Astles, Daniel Gerard McGarry, Christopher Hulme, John Robinson Regan, Fu-Chih Huang, Stevan Wakefield Djuric, Kevin Joseph Moriarty, Rose Mappilakunnel Mathew, Gregory Bernard Poli
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Patent number: 6506876Abstract: The present invention provides compounds of the formula Ar1—Q—Ar2—Y—R—Z and pharmaceutically acceptable salts thereof wherein Ar1 and Ar2 are optionally substituted aryl moieties, Z is an optionally substituted nitrogen-containing moiety which may be an acyclic, cyclic or bicyclic amine or an optionally substituted monocyclic or bicyclic nitrogen-containing heteroaromatic moiety; Q is a linking group capable of linking two aryl groups; R is an alkylene moiety; Y is a linking moiety capable of linking an aryl group to an alkylene moiety and wherein Z is bonded to R through a nitrogen atom. The compounds and pharmaceutical compositions of the present invention are useful in the treatment of inflammatory diseases which are mediated by LTB4 production, such as psoriasis, ulcerative colitis, IBD and asthma.Type: GrantFiled: October 11, 1994Date of Patent: January 14, 2003Assignee: G.D. Searle & Co.Inventors: Nizal Samuel Chandrakumar, Barbara Baosheng Chen, Michael Clare, Bipinchandra Nanubhai Desai, Stevan Wakefield Djuric, Stephen Hermann Docter, Alan Frank Gasiecki, Richard Arthur Haack, Chi-Dean Liang, Julie Marion Miyashiro, Thomas Dale Penning, Mark Andrew Russell, Stella Siu-tzyy Yu
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Patent number: 6303600Abstract: This invention is directed to certain physiologically active compounds of formula (I) wherein represents a bicyclic ring system, of about 10 to about 13 ring members, in which the ring is an azaheterocycle, and the ring represents an azaheteroaryl ring, or an optionally halo substituted benzene ring; and N-oxides thereof, and their prodrugs, and pharmaceutically acceptable salts and solvates of the compounds of formula (I) and N-oxides thereof, and their prodrugs. Such compounds inhibit the production or physiological effects of TNF and inhibit cyclic AMP phosphodiesterase. The invention is also directed to pharmaceutical compositions comprising compounds of formula (I), their pharmaceutical use and methods for their preparation.Type: GrantFiled: December 18, 1998Date of Patent: October 16, 2001Assignee: Rhone-Poulenc Rorer LimitedInventors: Paul Joseph Cox, David John Aldous, Daniel Gerard McGarry, Christopher Hulme, John Robinson Regan, Fu-Chih Huang, Stevan Wakefield Djuric, Kevin Joseph Moriarty, Rose Mappilakunnel Mathew, Gregory Bernard Poli
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Patent number: 5990326Abstract: The present invention relates to compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein R is alkyl of 12 carbon atoms, alkenyl of 12 carbon atoms having from 1 to 4 --CH.dbd.CH-- groups when the carbon adjacent to R is saturated and from 1 to 2 --CH.dbd.CH-- groups when the carbon adjacent to R is unsaturated, aryl, heterocyclo, alkoxyalkyl wherein the alkyl groups have 1 to 6 carbon atoms, or aryloxyalkyl wherein the alkyl group has 1 to 6 carbon atoms R.sup.1 is hydrogen, lower alkyl, or a pharmaceutically acceptable cation. These compounds are inhibitors of leukotriene A.sub.4 (LTA.sub.4) hydrolase.Type: GrantFiled: November 16, 1992Date of Patent: November 23, 1999Assignee: G.D. Searle & Co.Inventors: Stevan Wakefield Djuric, Thomas Dale Penning
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Patent number: 5723492Abstract: The present invention provides compounds of the formula Ar.sup.1 --Q--Ar.sup.2 --Y--R--Z and pharmaceutically acceptable salts thereof wherein Ar.sup.1 and Ar.sup.2 are optionally substituted aryl moieties, Z is an optionally substituted nitrogen-containing moiety which may be an acyclic, cyclic or bicyclic amine or an optionally substituted monocyclic or bicyclic nitrogen-containing heteroaromatic moiety; Q is a linking group capable of linking two aryl groups; R is an alkylene moiety; Y is a linking moiety capable of linking an aryl group to an alkylene moiety and wherein Z is bonded to R through a nitrogen atom. The compounds and pharmaceutical compositions of the present invention are useful in the treatment of inflammatory diseases which are mediated by LTB.sub.4 production, such as psoriasis, ulcerative colitis, IBD and asthma.Type: GrantFiled: June 6, 1995Date of Patent: March 3, 1998Assignee: G.D. Searle & Co.Inventors: Nizal Samuel Chandrakumar, Barbara Baosheng Chen, Michael Clare, Bipinchandra Nanubhai Desai, Stevan Wakefield Djuric, Stephen Hermann Docter, Alan Frank Gasiecki, Richard Arthur Haack, Chi-Dean Liang, Julie Marion Miyashiro, Thomas Dale Penning, Mark Andrew Russell, Stella Siu-tzyy Yu
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Patent number: 5719306Abstract: The present invention provides compounds of the formula Ar.sup.1 --Q--Ar.sup.2 --Y--R--Z and pharmaceutically acceptable salts thereof wherein Ar.sup.1 and Ar.sup.2 are optionally substituted aryl moieties, Z is an optionally substituted nitrogen-containing moiety which may be an acyclic, cyclic or bicyclic amine or an optionally substituted monocyclic or bicyclic nitrogen-containing heteroaromatic moiety; Q is a linking group capable of linking two aryl groups; R is an alkylene moiety; Y is a linking moiety capable of linking an aryl group to an alkylene moiety and wherein Z is bonded to R through a nitrogen atom. The compounds and pharmaceutical compositions of the present invention are useful in the treatment of inflammatory diseases which are mediated by LTB.sub.4 production, such as psoriasis, ulcerative colitis, IBD and asthma.Type: GrantFiled: June 6, 1995Date of Patent: February 17, 1998Assignee: G.D. Searle & Co.Inventors: Nizal Samuel Chandrakumar, Barbara Baosheng Chen, Michael Clare, Bipinchandra Nanubhai Desai, Stevan Wakefield Djuric, Stephen Hermann Docter, Alan Frank Gasiecki, Richard Arthur Haack, Chi-Dean Liang, Julie Marion Miyashiro, Thomas Dale Penning, Mark Andrew Russell, Stella Siu-tzyy Yu
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Patent number: 5684162Abstract: This invention relates to compounds of Formula I and the stereoisomers and pharmaceutically acceptable salts thereof ##STR1## wherein R is alkyl, alkenyl, alkynyl, or cycloalkylalkyl;R.sup.1 is alkyl;R.sup.2 represents alkyl from 1 to 5 carbon atoms, aryl or aryl substituted with halogen or alkyl from 1 to 5 carbon atoms;R.sup.6 is alkyl;n is 1 to 5;p is 0 to 6;x is 0 or 2; andR.sup.4 and R.sup.5 are independently hydrogen or alkyl or together with N form a cycloalkylamine. The compounds of Formula I are leukotriene B.sub.4 antagonists and are useful as anti-inflammatory agents and in treating disease conditions mediated by LTB.sub.4.Type: GrantFiled: February 22, 1996Date of Patent: November 4, 1997Assignee: G.D. Searle & Co.Inventors: Stevan Wakefield Djuric, Stella Siu-Tzyy Yu