Patents by Inventor Stevan W. Djuric
Stevan W. 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: 5124350Abstract: 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 is hydrogen or alkyl;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: June 28, 1990Date of Patent: June 23, 1992Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Stephen H. Docter, Stella S. Yu
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Patent number: 5112864Abstract: This invention relates to novel compounds for treating inflammatory conditions by inhibition of phospholipase A.sub.2 activity of the formula ##STR1## wherein X is oxygen, sulfur or --CH.dbd.CH--; wherein R.sup.1 is hydrogen, alkyl of 1 to 6 carbons or a pharmaceutically acceptable cation;wherein R.sup.2 is phenoxy, alkoxy, methyl, trifluoromethyl or phenyl;wherein n is an integer from 1 to 20;compositions comprised of the novel compounds; and methods of treating inflammatory conditions with these compositions.Type: GrantFiled: May 30, 1991Date of Patent: May 12, 1992Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Stephen H. Docter, Richard A. Haack
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Patent number: 5086067Abstract: This invention relates to a compound of the formula: ##STR1## or a pharmaceutically acceptable salt thereof wherein X is oxygen, sulfur, --CH.dbd.CH-- or --CH.dbd.N--; wherein R.sub.1 is alkyl, alkenyl or alkynyl of about 1 to 20 carbon atoms; wherein R is --CO.sub.2 R.sup.2, tetrazole, methylsulfonamide or benzenesulfonamide, wherein R.sup.2 is hydrogen, alkyl of 1 to 6 carbon atoms or a pharmaceutically acceptable cation and R.sup.3 is hydroxyl or halogen, having utility as LTB.sub.4 synthesis inhibitors.Type: GrantFiled: December 18, 1989Date of Patent: February 4, 1992Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Richard A. Haack, Julie M. Miyashiro
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Patent number: 5073562Abstract: This invention relates to compounds of Formula I and the stereoisomers and pharmaceutically acceptable salts thereof ##STR1## wherein R is alkyl, alkenyl, alkynyl, or (CH.sub.2).sub.m R.sup.3 whereR.sup.3 is cycloalkyl and m is 1 or 2;R.sup.1 is alkyl;R.sup.2 is hydrogen or alkyl;R.sup.4 is alkyl;n is an integer from 1 to 5;p is an integer from 0 to 6;Y is NH, oxygen or sulfur; andZ is hydrogen, alkyl, alkenoxy, NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5 are independently hydrogen or alkyl, or SR.sup.6 wherein R.sup.6 is hydrogen, benzyl or alkyl.The compounds of Formula I are leukotriene B.sub.4 antagonists and are useful as anti-inflammatory agents and in the treatment of leukotriene B.sub.4 mediated conditions.Type: GrantFiled: May 10, 1990Date of Patent: December 17, 1991Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Thomas D. Penning, James P. Snyder
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Patent number: 5051438Abstract: 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 and m is 1 or 2;R.sup.1 is alkyl of 1 to 4 carbon atoms;R.sup.2 is hydrogen or alkyl of 1 to 5 carbon atoms;R.sup.4 is alkyl of 1 to 6 carbon atoms;n is an integer from 1 to 5; andY is NH or oxygen.The compounds of Formula I are leukotriene B.sub.4 antagonists and are useful as anti-inflammatory agents and in the treatment of LTB.sub.4 mediated diseases.Type: GrantFiled: May 16, 1990Date of Patent: September 24, 1991Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Thomas D. Penning
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Patent number: 4971997Abstract: This invention relates to a compound of the formula: ##STR1## or a pharmaceutically acceptable salt thereof wherein X is oxygen, sulfur, or --CH.dbd.CH--;wherein Z is OR.sup.1 or --NR.sup.4 R.sup.5 ;wherein R.sup.1 is hydrogen, lower alkyl, or a pharmaceutically acceptable cation;wherein R.sup.2 is H, --CH.sub.3 or --C.sub.2 H.sub.5 ;wherein R.sup.3 is OH, H or .dbd.O;wherein R.sup.4 and R.sup.5 may independently be hydrogen, or lower alkyl having 1-6 carbon atoms, or R.sup.4 and R.sup.5 may act together with N to form a cyclic amide of the formula: ##STR2## wherein n is an integer from 4-5; and m is an integer from 0-4. More particularly, this invention relates to compounds of the above formula which have utility as LTB.sub.4 antagonists.Type: GrantFiled: August 7, 1989Date of Patent: November 20, 1990Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Richard A. Haack, Stella S. Yu
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Patent number: 4970234Abstract: This invention relates to a compound of the formula: ##STR1## or a pharmaceutically acceptable salt thereof wherein X is oxygen, sulfur, or --CH.dbd.CH--;wherein Z is OR.sup.1 or --NR.sup.4 R.sup.5 ;wherein R.sup.1 is hydrogen, lower alkyl, or a pharmaceutically acceptable cation;wherein R.sup.2 is H, --CH.sub.3 or --C.sub.2 H.sub.5 ;wherein R.sup.3 is OH, H or --O;wherein R.sup.4 and R.sup.5 may independently be hydrogen, or lower alkyl having 1-6 carbon atoms, or R.sup.4 and R.sup.5 may act together with N to form a cyclic amide of the formula: ##STR2## wherein n is an integer from 4-5; and m is an integer from 0-4. More particularly, this invention relates to compounds of the above formula which have utility as LTB.sub.4 antagonists.Type: GrantFiled: August 7, 1989Date of Patent: November 13, 1990Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Richard A. Haack, Stella S. Yu
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Patent number: 4954520Abstract: The present invention relates to compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein R is alkyl of 5 to 14 carbon atoms, alkenyl of 5 to 14 carbon atoms or alkynyl of 5 to 14 carbon atoms; R.sup.1 is lower alkylene or phenylene; and R.sup.2 is hydrogen, lower alkyl or a pharmaceutically acceptable cation.Type: GrantFiled: January 19, 1989Date of Patent: September 4, 1990Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Thomas D. Penning
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Patent number: 4895869Abstract: This invention related to leukotriene B.sub.4 antagonists having the structure ##STR1## and the pharmaceutically acceptable addition salts thereof; wherein R.sup.1 is lower alkyl having 1-10 carbon atoms; or lower alkenyl or alkynyl having 2-10 carbon atoms; or lower alkadienyl having 3-10 carbon atoms; or lower alkadienyl or alkenynyl having 4-10 carbon atoms;wherein R.sup.2 and R.sup.3 are the same or different and represent hydrogen or lower alkyl having 1-6 carbon atoms;wherein X is CH.dbd.CH, S, or O;wherein Y is CH.dbd.CH or C.tbd.C;wherein Z is OR.sup.4 or NR.sup.5 R.sup.6, and wherein R.sup.4 represents H, lower alkyl having 1-6 carbon atoms, or a pharmaceutically acceptable cation, and wherein R.sup.5 and R.sup.6 act independently and represent H or lower alkyl having 1-6 carbon atoms, or R.sup.5 and R.sup.Type: GrantFiled: June 3, 1988Date of Patent: January 23, 1990Assignee: C. D. Searle & Co.Inventors: Stevan W. Djuric, Richard A. Haack, Julie M. Miyashiro
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Patent number: 4889871Abstract: This invention encompasses compounds of Formula 1 and the pharmaceutically acceptable salts thereof. ##STR1## wherein R.sup.1 represents alkyl having 2-6 carbon atoms;R.sup.2 represents methyl or ethyl;R.sup.3 represents alkyl having 1 to 5 carbon atoms;W represents (CH.sub.2).sub.x where x is 2 to 7, alkylene having 2 to 7 carbon atoms, alkenylene having 3 to 7 carbon atoms, alkynylene having 3 to 7 carbon atoms, or cyclopentyl;R.sup.4 represents hydrogen, alkyl having 2-5 carbon atoms, alkenyl having 2 to 5 carbon atoms, or alkynyl having 2 to 5 carbon atoms;Q represents oxygen or CH.sub.2 ;B represents CH.sub.2, C.dbd.O or CH--OH;R.sup.5 represents hydrogen, alkyl having 1 to 6 carbon atoms, or R.sup.5 and R.sup.6 together optionally represent a carbon to carbon bond; orR.sup.5 represents alkanoyl having 2 to 4 carbon atoms, carboxy, alkoxycarbonyl, or (CH.sub.2)y--CO.sub.2 R.sup.8 wherein y is 0 to 4 and R.sup.8 is hydrogen or alkyl having 1 to 6 carbon atoms; andA represents --Z--CO.sub.2 R.sup.Type: GrantFiled: May 12, 1988Date of Patent: December 26, 1989Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Robert L. Shone, Stella S. T. Yu
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Patent number: 4855324Abstract: This invention relates to a compound of the formula: ##STR1## or a pharmaceutically acceptable salt thereof wherein X is oxygen, sulfur, or --CH.dbd.CH--;wherein Z is OR.sup.1 or --NR.sup.4 R.sup.5 ;wherein R.sup.1 is hydrogen, lower alkyl, or a pharmaceutically acceptable cation;wherein R.sup.2 is H, --CH.sub.3 or --C.sub.2 H.sub.5 ;wherein R.sup.3 is OH, H or .dbd.O;wherein R.sup.4 and R.sup.5 may independently be hydrogen, or lower alkyl having 1-6 carbon atoms, or R.sup.4 and R.sup.5 may act together with N to form a cyclic amide of the formula: ##STR2## wherein n is an integer from 4-5; and m is an integer from 0-4. More particularly, this invention relates to compounds of the above formula which have utility as LTB.sub.4 antagonists.Type: GrantFiled: February 18, 1988Date of Patent: August 8, 1989Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Richard A. Haack, Stella S. Yu
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Patent number: 4791133Abstract: This invention relates to leukotriene B.sub.4 antagonists having the structure ##STR1## and the pharmaceutically acceptable addition salts thereof; wherein R.sup.1 is lower alkyl having 1-10 carbon atoms; or lower alkenyl or alkynyl having 2-10 carbon atoms; or lower alkadienyl having 3-10 carbon atoms; or lower alkadiynyl or alkenynyl having 4-10 carbon atoms;wherein R.sup.2 and R.sup.3 are the same or different and represent hydrogen or lower alkyl having 1-6 carbon atoms;wherein X is CH.dbd.CH, S, or O;wherein Y is CH.dbd.CH or C.tbd.C;wherein Z is OR.sup.4 or NR.sup.5 R.sup.6, and wherein R.sup.4 represent H, lower alkyl having 1-6 carbon atoms, or a pharmaceutically acceptable cation, and wherein R.sup.5 and R.sup.6 act independently and represent H or lower alkyl having 1-6 carbon atoms, or R.sup.5 and R.sup.Type: GrantFiled: June 26, 1987Date of Patent: December 13, 1988Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Richard A. Haack, Julie M. Miyashiro
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Patent number: 4754055Abstract: The present invention describes allenic prostacyclin derivatives of the formula: ##STR1## wherein: n is 0, 1, or 2;R.sup.1 is hydrogen, lower alkyl, or a pharmaceutically acceptable cation;R.sup.2 is hydrogen, lower alkyl, cycloalkyl, heteroaryl, halogen, phenyl, alkylthio, phenylthio, alkylsulfinyl, phenylsulfinyl or trifluoromethyl;R.sup.3 is lower alkyl, cycloalkyl, phenyl, benzyl, cycloheteroalkyl, lower alkyl having one to eight carbons substituted with one or more fluorines or containing 1 or 2 unsaturated bonds; andcarbon 15 may be in the R or the S configuration, or a mixture of R and S.These compounds are useful for the treatment of platelet dysfunction, atherosclerosis, allergic disorders, gastric ulcers, hypertension and tumor cell metastasis. Also disclosed is the process for preparing them and the appropriate intermediates.Type: GrantFiled: September 10, 1986Date of Patent: June 28, 1988Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Masateru Miyano
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Patent number: 4730078Abstract: The present invention relates to allenic prostacyclin derivatives of the formula: ##STR1## wherein: n is 0, 1, 2R.sup.1 is hydrogen, lower alkyl, lower hydroxyalkyl, or a pharmaceutically acceptable cation;R.sup.2 is hydrogen, lower alkyl, cycloalkyl, heteroalkyl, halogen, aryl, alkylthio, phenylthio, alkylsulfinyl, phenylsulfonyl, or trifluoromethyl,R.sup.3 is a lower alkyl, a cycloalkyl, phenyl, benzyl, a cycloheteroalkyl, a lower alkyl having one to eight carbons substituted with one or more fluorines or containing 1 or 2 unsaturated bonds; and carbon 15 may be in the R or the S configuration, or a mixture of R and S with the proviso that when R.sup.1 is a lower alkyl or lower hydroxyalkyl that carbon 15 is not in the R configuration.These compounds are useful for the treatment of platelet dysfunction and atherosclerosis. Also disclosed is the process for preparing these compounds and their appropriate intermediates.Type: GrantFiled: May 13, 1987Date of Patent: March 8, 1988Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Masateru Miyano
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Patent number: 4719220Abstract: The present invention provides novel compounds of Formula I ##STR1## which are pharmacologically selectively useful as anti-thrombotic agents with minimal blood pressure lowering activity.Type: GrantFiled: June 25, 1986Date of Patent: January 12, 1988Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Robert B. Garland
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Patent number: 4687864Abstract: The present invention describes 5-fluoro-3-oxaprostacyclin (PGI.sub.2) derivatives of Formula I. These compounds are useful for the treatment of platelet dysfunction, atherosclerosis, hypertension and tumor cell metastasis. Also disclosed is the process for preparing them and the appropriate intermediates. ##STR1## wherein R.sup.1 is: (a) Na, K, or 1/2 Ca, or other pharmaceutically acceptable cation(b) NR.sup.3 .sub.2 with the adjacent connecting oxygen omitted, where R.sup.3 =H, methyl, ethyl, isopropyl or a combination of these groups;(c) Alkyl of 1 to 6 carbon atoms, either branched or straight chain(d) Hydrogenwherein OH on carbon 15 is optionally on carbon 16;wherein X=OCH.sub.3 or OC.sub.2 H.sub.5 when neither C.sub.5 -C.sub.6 or C.sub.6 -C.sub.7 is a double bond and nothing if C.sub.5 -C.sub.6 or C.sub.6 -C.sub.7 is a double bond;wherein R.sup.Type: GrantFiled: September 18, 1985Date of Patent: August 18, 1987Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Leland J. Chinn, Kurt J. Rorig
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Patent number: 4628095Abstract: The invention relates to compounds of the formula: ##STR1## which are useful cardiovascular agents.Type: GrantFiled: June 5, 1985Date of Patent: December 9, 1986Assignee: G. D. Searle & Co.Inventors: Kurt J. Rorig, Stevan W. Djuric, Kerry W. Fowler, Chi-Dean Liang
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Patent number: 4616034Abstract: The present invention provides novel compounds of Formula I ##STR1## which are pharmacologically selectively useful as anti-thrombotic agents with minimal blood pressure lowering activity.Type: GrantFiled: February 28, 1985Date of Patent: October 7, 1986Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Robert B. Garland
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Patent number: 4579958Abstract: The present invention describes 5-fluoro-3-oxa-prostacyclin (PGI.sub.2) derivatives of Formula I. These compounds are useful for the treatment of platelet dysfunction, atherosclerosis, hypertension and tumor cell metastasis. Also disclosed is the process for preparing them and the appropriate intermediates. ##STR1## wherein R.sup.1 is: (a) Na, K, or 1/2 Ca, or other pharmaceutically acceptable cation(b) NR.sup.3.sub.2, where R.sup.3 .dbd.H, methyl, ethyl, isopropyl or a combination of these groups;(c) Alkyl of 1 to 6 carbon atoms, either branched or straight chain(d) Hydrogenwherein OH on carbon 15 is optionally on carbon 16; wherein X.dbd.H, OCH.sub.3 or OC.sub.2 H.sub.5 when neither C.sub.5 -C.sub.6 or C.sub.6 -C.sub.7 is a double bond and nothing if C.sub.5 -C.sub.6 or C.sub.6 -C.sub.7 is a double bond;wherein R.sup.Type: GrantFiled: December 23, 1983Date of Patent: April 1, 1986Assignee: G. D. Searle & Co.Inventors: Stevan W. Djuric, Leland J. Chinn, Kurt J. Rorig