Patents Represented by Attorney Alan M. Krubiner
  • Patent number: 4867915
    Abstract: Sixteen carbon atom carboxylic acids having 16-phenoxy or 16-phenylthio substituents, and 0, 1, or 4 triple bonds, methods of preparing them, and pharmaceutical preparations containing them. These compounds are useful as lipoxygenase inhibitors.
    Type: Grant
    Filed: May 21, 1986
    Date of Patent: September 19, 1989
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchwoski, Angel Guzman
  • Patent number: 4859765
    Abstract: The present invention relates to novel synthetic antigens, conjugates and antibodies based upon specific peptide sequences and the production thereof. More particularly, the invention relates to a polypeptide which is a determinant site of a protein, the polypeptide having from 8 to 20 amino acid residues, having an amino-terminal amino acid and a carboxyl-terminal amino acid, wherein the polypeptide includes:(a) a four amino acid sequence which corresponds to the four amino acid sequence of a .beta.-turn of the protein;(b) a sequence of two to eight amino acid residues attached to the amino terminal (H.sub.2 N--) of the four amino acid sequence; and(c) a sequence of two to eight amino acid residues attached to the carboxyl terminal (--COOH) of the four amino acid sequence,wherein the amino acid residues of subparts (b) and (c) correspond to those attached to the amino terminal and the carboxyl terminal, respectively of the .beta.
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: August 22, 1989
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John J. Nestor, Jr., John G. Moffatt, Hardy W. Chan
  • Patent number: 4810706
    Abstract: New compounds of formulas I and II ##STR1## and the pharmaceutically acceptable acid addition salts thereof, wherein M is selected from the group consisting of hydrogen, morpholino, benzylamino, di-n-lower alkylamino, n-lower alkylamino and ##STR2## wherein Ar is optionally substituted phenyl; Z.sub.1 and Z.sub.2 are each independently selected from the group consisting of CH.sub.2, CHOB and C.dbd.O, wherein B is selected from the group consisting of hydrogen and alkanoyl;Y is oxygen or nothing;n is an integer from 0-4 but cannot be zero when Z.sub.1 is CHOB;m is an integer from 0-4 but cannot be zero when Z.sub.2 is CHOB;R.sub.1, R.sub.2 and R.sub.3 are each independently hydrogen, halogen, hydroxy, trifluoromethyl, alkyl or alkoxy;R.sub.4 is lower alkyl; andR.sub.5 is hydrogen or lower alkyl,are antihistamines and are therefore useful in the treatment of respiratory diseases including asthma, hay fever, allergies and the common cold. They are also vasodilators.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: March 7, 1989
    Assignee: Recherche Syntex
    Inventors: Serge Beranger, J. Claude Pascal, Henri Pinhas, Isabelle Jullien
  • Patent number: 4803079
    Abstract: A controlled release tablet for once-daily oral administration of about 500-1200 mg of naproxen or naproxen sodium, said tablet comprising a homogeneous matrix comprising about 4-9 weight percent of hydroxypropyl methylcellulose having a number average molecular weight in the range of from about 80,000 to about 130,000, about 81-96 weight percent naproxen or naproxen sodium, and 0.1 to about 2 weight percent of a pharmaceutically acceptable lubricating agent, and optionally including a pharmaceutically acceptable coating.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: February 7, 1989
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Charles H. Hsiao, John S. Kent
  • Patent number: 4801577
    Abstract: Synthetic nona- and decapeptide LHRH antagonist analogs are disclosed, having a sterically hindered guanidino-substituted arginyl or homoarginyl residue at position 8, with no arginyl substituent at position 6.
    Type: Grant
    Filed: February 5, 1987
    Date of Patent: January 31, 1989
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John J. Nestor, Jr., Brian H. Vickery
  • Patent number: 4792570
    Abstract: Compounds useful for treating inflammation, swelling and associated pain, represented by the formula: ##STR1## and the pharmaceutically acceptable acid addition salts thereof, wherein: a is an integer of 0-3;b is an integer of 0-2;n is an integer of 3-12;each X and each Y are independently -halo, --R.sup.1, -alkoxy, or -phenyl; andB is selected from the group consisting of:--NR.sup.1 R.sup.2, --NR.sup.1 (CH.sub.2 CH.sub.2 OH), ##STR2## in which R.sup.1 and R.sup.2 are independently H, alkyl or cycloalkyl;R.sup.3 is H, alkyl or --CH.sub.2 CH.sub.2 OH; andm is an integer of 3-8.Novel compounds are those wherein n is at least 6 if both a and b are 0.
    Type: Grant
    Filed: April 6, 1984
    Date of Patent: December 20, 1988
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Peter H. Nelson, James P. Dunn, Stefan H. Unger, Thomas R. Thieme
  • Patent number: 4792551
    Abstract: Compounds useful for treating inflammation, pain and swelling, represented by the formula: ##STR1## and the pharmaceutically acceptable acid addition salts thereof, wherein: Y and Z are each independently halo, alkyl or alkoxy;l and m are each independently integers of 0-4;b is an integer of 2-12; andX is selected from the group consisting of:--NR.sup.1 R.sup.2, --NR.sup.1 (CH.sub.2 CH.sub.2 OH), ##STR2## in which R.sup.1 and R.sup.2 are independently H, alkyl or cycloalkyl;R.sup.3 is H, alkyl or CH.sub.2 CH.sub.2 OH; andn is an integer of 3-7.
    Type: Grant
    Filed: July 15, 1983
    Date of Patent: December 20, 1988
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Peter H. Nelson, Stefan H. Unger, Thomas R. Thieme
  • Patent number: 4792561
    Abstract: The invention concerns a method of inhibiting both thromboxane synthetase and cyclic-AMP phosphodiesterase in a mammal having a disease characterized by elevated thromboxane levels or an imbalance of prostacyclin/thromboxane levels with a compound of the formula: ##STR1## or a pharmaceutically acceptable acid addition salt or ester thereof, wherein:X is chosen from the group consisting of: ##STR2## and a covalent bond in which R.sup.1 is H, alkyl having 1-6 carbon atoms, optionally substituted phenyl or optionally substituted phenyl lower alkyl, when R.sup.2 is H or OH, or R.sup.1 and R.sup.2 taken together represent oxo, alkylidene having 1-6 carbon atoms or optionally substituted benzylidene;R.sup.3 is H or alkyl having 1-6 carbon atoms, R.sup.4 is H and R.sup.3 and R.sup.4 are either cis or trans to each other, or R.sup.3 and R.sup.4 taken together represent a covalent bond;n is an integer from 0-3;Het is 1-imidazolyl or 3-pyridyl; and the dotted line represents an optional covalent bond.
    Type: Grant
    Filed: May 29, 1986
    Date of Patent: December 20, 1988
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Keith A. M. Walker, John J. Bruno, Gregory R. Martinez
  • Patent number: 4761416
    Abstract: Pharmaceutical compositions comprising, or compositions consisting essentially of, compounds according to the formula ##STR1## or an optical isomer thereof are disclosed, wherein the substituents A, Z and R.sup.1 are defined herein. The invention is also directed to certain compounds of the above class. The compounds of Formula I are cyclic AMP phosphodiesterase inhibitors useful as antithrombotic and inotropic agents and the like in mammals.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: August 2, 1988
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John H. Fried, Michael C. Venuti
  • Patent number: 4698442
    Abstract: .alpha.-amino acids having a substituted .omega.-guanidino group are disclosed herein.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: October 6, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John J. Nestor, Brian H. Vickery
  • Patent number: 4686234
    Abstract: Compounds useful for treating inflammatory diseases, in particular rheumatoid arthritis, represented by the formula: ##STR1## and the pharmaceutically acceptable salts thereof, wherein:R.sub.1 is H or lower alkyl having 1 to 6 carbon atoms;R.sub.2 is H, lower alkyl having 1 to 6 carbon atoms or ##STR2## in which R.sub.3 is H, lower alkyl having 1 to 6 carbon atoms or a pharmaceutically acceptable cation;R.sub.4 and R.sub.5 are each independently H or lower alkyl having 1 to 6 carbon atoms;X and Y are each independently O or S; andn is an integer of 1-6.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: August 11, 1987
    Assignee: Syntex (U.S.A) Inc.
    Inventors: Peter H. Nelson, Anthony C. Allison, Elsie M. Eugui
  • Patent number: 4684625
    Abstract: Co-administration of a muramyldipeptide derivative with liposomes enhances the anti-infective activity of the muramyldipeptide derivative.
    Type: Grant
    Filed: April 19, 1985
    Date of Patent: August 4, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Deborah A. Eppstein, Elizabeth Fraser-Smith, Thomas R. Matthews
  • Patent number: 4681889
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently --H or lower alkoxy;R.sub.3 and R.sub.4 are each independently lower alkyl; andR.sub.5 and R.sub.6 are each --OCH.sub.3, or together form --OCH.sub.2 O-- or --OCH.sub.2 CH.sub.2 O--and pharmaceutically acceptable acid addition salts thereof are calcium channel blockers useful for treating cardiovascular disorders including angina, hypertension and congestive heart failure.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: July 21, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Robin Clark, Joseph M. Muchowski, Fang-Ting Chiu, John O. Gardner, Jacob Berger
  • Patent number: 4678805
    Abstract: Compounds useful in treating cardiovascular disorders such as thrombosis, hypertension, and atherosclerosis are compounds depicted in formulas (1), (2), and (3): ##STR1## wherein: Y is exo-(lower alkyl) or endo-(lower alkyl);n is 2 or 3;R.sub.1 is CH.sub.2 OH, CHO, CO.sub.2 R or CO.sub.2 H;R.sub.2 is hydrogen or methyl; andR.sub.3 is linear or branched alkyl having 5-10 carbon atoms, ##STR2## or --(CH.sub.2).sub.m -phenyl optionally substituted with lower alkyl, lower alkoxy, trifluoromethyl, or halogen,in whicha is 0, 1 or 2;b is 3-7;m is 1 or 2; andR is ##STR3## wherein X is ##STR4## in which each R.sub.4 is independently hydrogen or lower alkyl having 1-6 carbon atoms, and the pharmaceutically acceptable, non-toxic salts and esters thereof.
    Type: Grant
    Filed: July 28, 1986
    Date of Patent: July 7, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Arthur F. Kluge, Helen Y. Wu
  • Patent number: 4672071
    Abstract: Compositions containing dihydropyridine derivatives which are useful for treating congestive heart failure, hypertension, or angina have the formula: ##STR1## or a pharmaceutically acceptable acid addition salt thereof, wherein n is an integer from 0 to 8;Y is --O--, --NH--, --NR.sub.2 --, --S--, --S(O)--, --S(O).sub.2 --, or a bond;R.sub.1 and R.sub.2 are each independently A.sub.1, A.sub.2, A.sub.3 or A.sub.4 whereA.sub.1 is --(CH.sub.2).sub.m (CHOH).sub.p CH.sub.2 OH;A.sub.2 is --(CH.sub.2).sub.q CH.sub.(3-r) [(CH.sub.2).sub.s OH].sub.r ;A.sub.3 is --(CH.sub.2).sub.q CH.sub.(3-r) [(CH.sub.2).sub.p COOR.sub.3 ].sub.r ; andA.sub.4 is --(CH.sub.2).sub.m COOR.sub.3 ; wherem is an integer from 1 to 8;p is an integer from 0 to 4;q is an integer from 0 to 8;r is 2 or 3;s is an integer from 1 to 4; andR.sub.3 is H or alkyl of 1 to 18 carbon atoms;R.sub.4 is --NO.sub.2, --CF.sub.3, or halo; andR.sub.5 is lower alkyl or --CH.sub.2 CH.sub.2 OCH.sub.3.
    Type: Grant
    Filed: December 12, 1985
    Date of Patent: June 9, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Robin D. Clark, Moysey M. Povzhitkov
  • Patent number: 4667038
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 and each independently --H or lower alkoxy; R.sub.3 and R.sub.4 are each independently lower alkyl; and R.sub.5 and R.sub.6 are each --OCH.sub.3, or together form --OCH.sub.2 O-- or --OCH.sub.2 CH.sub.2 O--, and pharmaceutically acceptable acid addition salts thereof are prepared by cyclizing, deoxygenating, coupling, or hydrogenating the intermediates disclosed herein.
    Type: Grant
    Filed: September 22, 1986
    Date of Patent: May 19, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Robin Clark, Joseph M. Muchowski, Fang-Ting Chiu, John O. Gardner, Jacob Berger
  • Patent number: 4647580
    Abstract: A treatment for senile dementia of the Alzheimer's type comprising administering to the patient a tertiary amine of the formula ##STR1## wherein R.sup.1 is alkyl, alkoxy, alkylthio or dialkylamino hydroxyl, hydrogen, chlorine or fluorine;R.sup.2 is hydrogen, or when R.sup.1 is hydrogen, alkyl, alkoxy, alkylthio, alkylthioamino, hydroxyl, chlorine or fluorine;R.sup.3 is 1 to 2 carbon alkyl;R.sup.4 is 1 to 3 carbon alkyl;R.sup.5 is an optionally branched 3 to 12 carbon alkylene; X is oxygen or ethylene dioxy; andR.sup.6 is optionally branched or cyclic carbon group having less than eight carbons. The preferred compound is secoverine.The administration of secoverine may be used in conjunction with the coadministration of a cholinergic enhancer, for example, in a combination with acetylcholinesterase inhibitors, muscarinic agonists or choline supplement therapy.
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: March 3, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventor: Adolph P. Roszkowski
  • Patent number: 4642378
    Abstract: Intraocular hypertensive diseases such as glaucoma are treated with compounds represented by formula I ##STR1## or a pharmaceutically acceptable acid addition salt thereof, wherein R.sub.1 is alkyl of two to four carbon atoms;R.sub.2 is --(CH.sub.2).sub.n --C.sub.6 H.sub.4 --R.sub.5 ; wheren is an integer from 1 to 4; andR.sub.5 is --H, --OH, halo, lower alkyl, lower alkoxy, ureido, lower alkyl-ureido, lower alkyl-amido, or formamido;R.sub.3 is hydro or hydroxy; andR.sub.4 is hydro, lower alkyl, amino, or lower alkylamino.
    Type: Grant
    Filed: April 11, 1985
    Date of Patent: February 10, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Robin D. Clark, L. David Waterbury
  • Patent number: 4629782
    Abstract: Crystalline N-acetylmuramyl-L-.alpha.-aminobutyryl-D-isoglutamine monohydrate useful as an adjuvant for vaccines and as an immunostimulant.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: December 16, 1986
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Tai W. Chan, Allyn R. Becker
  • Patent number: 4629730
    Abstract: Elevated intraocular pressure diseases such as glaucoma are treated with compounds represented by formula I ##STR1## or a pharmaceutically acceptable acid addition salt thereof, wherein R.sub.1 is alkyl of two to four carbon atoms; andR.sub.2 is alkyl of three or four carbon atoms; orR.sub.1 and R.sub.2 taken together with N form ##STR2## wherein n is 0, 1, or 2 and R.sub.5 and R.sub.6 are each independently lower alkyl or hydro;R.sub.3 is hydro or hydroxy;R.sub.4 is hydro, lower alkyl, amino, or lower alkylamino.
    Type: Grant
    Filed: April 11, 1985
    Date of Patent: December 16, 1986
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Robin D. Clark, L. David Waterbury