Patents Represented by Attorney Anita W. Magatti
  • Patent number: 5824683
    Abstract: Antihypertensive and bronchodilating phosphoclusterose inhibitory compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein X is fluoro, chloro or bromo.
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: October 20, 1998
    Assignee: Schering Corporation
    Inventors: Brian A. McKittrick, Deen Tulshian
  • Patent number: 5798359
    Abstract: The invention relates to compounds of the formulas ##STR1## wherein Z, R.sub.c, y, x, l.sub.1, l.sub.2, l.sub.3, u, R.sub.4, R.sub.c', n, R.sub.1, R.sub.2, and R.sub.3, are as described herein. These compounds are neurokinin antagonists. These compounds are useful in the treatment of chronic airway diseases such as asthma.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: August 25, 1998
    Assignee: Schering Corporation
    Inventors: Ho-Jane Shue, Neng-Yang Shih, John Piwinski, Xiao Chen, David J. Blythin
  • Patent number: 5795894
    Abstract: The invention relates to compounds of the formula ##STR1## These compounds are neurokinin antagonists. These compounds are useful in the treatment of chronic airway diseases such as asthma.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: August 18, 1998
    Assignee: Schering Corporation
    Inventors: Ho-Jane Shue, Neng-Yang Shih, David J. Blythin, Xiao Chen, Wing C. Tom, John J. Piwinski, Kevin D. McCormick
  • Patent number: 5789422
    Abstract: Compounds represented by the structural formula ##STR1## or a pharmaceutically acceptable salt thereof are disclosed, wherein: A.sup.1 is --CH.sub.2 R.sup.6, --OR.sup.6, --N(R.sup.6)(R.sup.7), --S(O).sub.e R.sup.13, --(C(R.sup.6)(R.sup.7)).sub.1-6 --OR.sup.6, --(C(R.sup.6)(R.sup.7).sub.1-6 --N(R.sup.6)(R.sup.7) or --(C(R.sup.6) (R.sup.7)).sub.1-6 --S(O).sub.e R.sup.13 and A.sup.2 is H, or A.sup.1 and A.sup.2 together are .dbd.O, .dbd.C(R.sup.6)(R.sup.7), .dbd.NOR.sup.6 or .dbd.S;Q is phenyl, naphthyl, --SR.sup.6, --N(R.sup.6)(R.sup.7), --OR.sup.6 or heteroaryl;T is H, aryl, heterocycloalkyl, heteroaryl, cycloalkyl or bridged cycloalkyl;b is 0, 1 or 2;b.sub.1 is 1 or 2;X is a bond, --C(O)--, --O--, --NR.sup.6 --, --S(O).sub.e --, --N(R.sup.6)C(O)--, --C(O)N(R.sup.6)--, --OC(O)NR.sup.6 --, --OC(.dbd.S)NR.sup.6 --, --N(R.sup.6)C(.dbd.S)O--, --C(.dbd.NOR.sup.6)--, --S(O).sub.2 N(R.sup.6)--, --N(R.sup.6)S(O).sub.2 --, --N(R.sup.6)C(O)O-- or --OC(O)--;R.sup.6, R.sup.7, R.sup.8a, and R.sup.
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: August 4, 1998
    Assignee: Schering Corporation
    Inventors: Gregory A. Reichard, Robert G. Aslanian
  • Patent number: 5783579
    Abstract: The invention relates to compounds of the formula ##STR1## wherein Z, R.sub.c, y, m, u, Ar.sub.2, n, X, R.sub.c', I and Ar.sub.2 are as described herein. These compounds are neurokinin antagonists. These compounds are useful in the treatment of chronic airway diseases such as asthma.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: July 21, 1998
    Assignee: Schering Corporation
    Inventor: Kevin D. McCormick
  • Patent number: 5767115
    Abstract: Hydroxy-substituted azetidinone hypocholesterolemic agents of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: Ar.sup.1 and Ar.sup.2 are aryl or R.sup.4 -substituted aryl;Ar.sup.3 is aryl or R.sup.5 -substituted aryl;X, Y and Z are --CH.sub.2 --, --CH(lower alkyl)-- or --C(dilower alkyl)--;R and R.sup.2 are --OR.sup.6, --O(CO)R.sup.6, --O(CO)OR.sup.9 or --O(CO)NR.sup.6 R.sup.7 ;R.sup.1 and R.sup.3 are H or lower alkyl;q is 0 or 1; r is 0 or 1; m, n and p are 0-4; provided that at least one of q and r is 1, and the sum of m, n, p, q and r is 1-6; and provided that when p is O and r is 1, the sum of m, q and n is 1-5;R.sup.4 is selected from lower alkyl, R.sup.5, --CF.sub.3, --CN, --NO.sub.2 and halogen R.sup.5 is selected from --OR.sup.6, --O(CO)R.sup.6, --O(CO)OR.sup.9, --O(CH.sub.2).sub.1-5 OR.sup.6, --O(CO)NR.sup.6 R.sup.7, --NR.sub.6 R.sup.7, --NR.sup.6 (CO)R.sup.7, --NR.sup.6 (CO)OR.sup.9, --NR.sup.6 (CO)NR.sup.7 R.sup.8, --NR.sup.6 SO.sub.2 R.sup.9, --COOR.sup.6, --CONR.sup.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: June 16, 1998
    Assignee: Schering-Plough Corporation
    Inventors: Stuart B. Rosenblum, Sundeep Dugar, Duane A. Burnett, John W. Clader, Brian A. McKittrick
  • Patent number: 5760232
    Abstract: The invention relates to a process for preparing a compound of the formula ##STR1## comprising: (a) reacting 2,5-dibromo-3-methylpyridine with an amine of the formula NHR.sup.5 R.sup.6 to obtain an amide;(b) reacting the amide with a compound of formula 3 ##STR2## in the presence of a strong base to obtain a compound of formula 4 ##STR3## (c) converting a compound of formula 4 to the corresponding cyano compound or aldehyde;(d) reacting the cyano compound or aldehyde with a piperidine derivative to obtain an aldehyde or alcohol of formula 7a or 7b, respectively: ##STR4## (e) cyclizing a compound of formula 7a or 7b; wherein R.sup.1 -R.sup.7 are as defined in the specification.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: June 2, 1998
    Assignee: Schering Corporation
    Inventors: Xing Chen, Marc Poirier, Yee-Shing Wong, Guang-Zhong Wu
  • Patent number: 5756470
    Abstract: Hypocholesterolemic sugar-substituted 2-azetidinones are disclosed, as well as a method of lowering cholesterol by administering said compounds, pharmaceutical compositions containing them, and the combination of a sugar-substituted 2-azetidinone cholesterol-lowering agent and a cholesterol biosynthesis inhibitor for the treatment and prevention of atherosclerosis.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: May 26, 1998
    Assignee: Schering Corporation
    Inventors: Nathan P. Yumibe, Kevin B. Alton, Margaret Van Heek, Harry R. Davis, Wayne D. Vaccaro
  • Patent number: 5744467
    Abstract: Sulfur-substituted azetidinone hypocholesterolemic agents of the formula ##STR1## or a pharmaceutically acceptable salt thereof are disclosed, as well as pharmaceutical compositions containing them, and a method of lowering serum cholesterol by administering said compounds, alone or in combination with a cholesterol biosynthesis inhibitor.
    Type: Grant
    Filed: January 8, 1997
    Date of Patent: April 28, 1998
    Assignee: Schering Corporation
    Inventors: Brian A. McKittrick, Sundeep Dugar, Duane A. Burnett
  • Patent number: 5739321
    Abstract: The invention relates to a process for producing the compound of the formula ##STR1## which comprises reacting lactone of formula II ##STR2## with an imine of formula III': ##STR3## and converting the resulting chiral diol of formula VI: ##STR4## through several steps to obtain a compound of formula I'.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: April 14, 1998
    Assignee: Schering Corporation
    Inventors: Guang-Zhong Wu, Xing Chen, Yee-Shing Wong, Doris P. Schumacher, Martin Steinman
  • Patent number: 5728827
    Abstract: This invention provides a process for preparing azetidinones useful as intermediates in the synthesis of penems and as hypocholesterolemic agents, particularly for azetidinones substituted in the C-3 and C-4 positions and optionally substituted at the ring nitrogen, comprising reacting a .beta.-(substituted-amino)amide, a .beta.-(substituted-amino)acid ester, or a .beta.-(substituted-amino)thiolcarbonic acid ester with a silylating agent and a cyclizing agent.
    Type: Grant
    Filed: January 4, 1996
    Date of Patent: March 17, 1998
    Assignee: Schering Corporation
    Inventors: Tiruvettipuram Kannapan Thiruvengadam, Timothy McAllister, Chou-Hong Tann
  • Patent number: 5719156
    Abstract: The invention relates to compounds of the formulas ##STR1## wherein Z, R.sub.c, y, x, l.sub.1, l.sub.2, l.sub.3, u, R.sub.4,R.sub.c', n, R.sub.1, R.sub.2, and R.sub.3, are as described herein. These compounds are neurokinin antagonists. These compounds are useful in the treatment of chronic airway diseases such as asthma.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: February 17, 1998
    Assignee: Schering Corporation
    Inventors: Ho-Jane Shue, Neng-Yang Shih, John Piwinski, Xiao Chen, David J. Blythin
  • Patent number: 5698548
    Abstract: Novel compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: R.sub.1 is ##STR2## R.sub.2 and R.sub.3 are independently selected from --CH.sub.2 --, --CH(lower alkyl)--, --C(di-lower alkyl)--, --CH.dbd.CH-- and --C(lower alkyl).dbd.CH--; or R.sub.1 with R.sub.2, or R.sub.1 with R.sub.3, form --CH.dbd.CH-- or --CH.dbd.C(lower alkyl)--;u and v are independently 0-3, provided both are not zero;R.sub.4 is B--(CH.sub.2).sub.m C(O)--; m is 0-5;B--(CH.sub.2).sub.q --; q is 0-6;B--(CH.sub.2).sub.e --Z--(CH.sub.2).sub.r ; Z is --O--, --C(O)--, phenylene, --N(R.sub.8)-- or --S(O).sub.0-2 --, e and r is 0-5; the sum of e and r is 0-6;B--(C.sub.2 -C.sub.6 alkenylene)--; B'--(C.sub.4 -C.sub.6 alkadienylene)--;B--(CH.sub.2).sub.t --Z--(C.sub.2 -C.sub.6 alkenylene)--; t is 0-3; the sum of t and the number of carbon atoms in the alkenylene chain is 2-6;B--(CH.sub.2).sub.f --V--(CH.sub.2).sub.g --; V is cycloalkylene, f is 1-5, g is 0-5; the sum of f and g is 1-6;B--(CH.sub.2).sub.t --V--(C.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: December 16, 1997
    Assignee: Schering Corporation
    Inventors: Sundeep Dugar, John W. Clader, Duane A. Burnett
  • Patent number: 5696267
    Abstract: Compound represented by the structural formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: a is 0, 1, 2 or 3;b, d and e are independently 0, 1 or 2;R is H, C.sub.1-6 alkyl, --OH or C.sub.2 -C.sub.6 hydroxyalkyl;A is an optionally substituted oxime, hydrazone or olefin;X is a bond, --C(O)--, --O--, --NR.sup.6 --, --S(O).sub.e --, --N(R.sup.6)C(O)--, --C(O)N(R.sup.6)--OC(O)NR.sup.6 --, --OC(.dbd.S)NR.sup.6 --, --N(R.sup.6)C(.dbd.S)O--, --C(.dbd.NOR.sup.1)--, --S(O).sub.2 N(R.sup.6)--, --N(R.sup.6)S(O).sub.2 --,--N(R.sup.6)C(O)O-- or --OC(O)--;T is H, phthalimidyl, aryl, heterocycloalkyl, heteroaryl, cycloalkyl or bridged cycloalkyl;Q is --SR.sup.6, --N(R.sup.6)(R.sup.7), --OR.sup.6, phenyl, naphthyl or heteroaryl;R.sup.6a, R.sup.7a, R.sup.8a, R.sup.9a, R.sup.6 and R.sup.7 are H, C.sub.1-6 alkyl, C.sub.2 -C.sub.6 hydroxyalkyl, C.sub.1 -C.sub.6 alkoxy-C.sub.1 -C.sub.6 alkyl, phenyl or benzyl; or R.sup.6 and R.sup.7, together with the nitrogen to which they are attached, form a ring;R.sup.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: December 9, 1997
    Assignee: Schering Corporation
    Inventors: Gregory A. Reichard, Robert G. Aslanian, Cheryl A. Alaimo, Michael P. Kirkup, Andrew Lupo, Jr., Pietro Mangiaracina, Kevin D. McCormick, John J. Piwinski, Bandarpalle B. Shankar, Neng-Yang Shih, James M. Spitler, Pauline C. Ting, Ashit Ganguly, Nicholas I. Carruthers
  • Patent number: 5691362
    Abstract: Compounds represented by the structural formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein the variables are as defined in the specification; methods of treating asthma, cough, bronchospasm, inflammatory diseases, and gastrointestinal disorders with said compounds, and pharmaceutical compositions comprising said compounds are disclosed.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: November 25, 1997
    Assignee: Schering-Plough Corporation
    Inventors: Kevin D. McCormick, Andrew T. Lupo, Jr.
  • Patent number: 5688785
    Abstract: Substituted azetidinone hypocholesterolemic agents of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: Ar.sup.1 is aryl or R.sup.3 -substituted aryl;Ar.sup.2 is aryl or R.sup.4 -substituted aryl;R.sup.1 is selected from the group consisting of--(CH.sub.2).sub.q --, wherein q is 2, 3, 4, 5 or 6;--(CH.sub.2).sub.e --Z--(CH.sub.2).sub.r --, wherein Z is --O--, --C(O)--, phenylene, --NR.sup.10 -- or --S(O).sub.0-2 --, e is 0-5 and r is 0-5, provided that the sum of e and r is 1-6;--(C.sub.2 --C.sub.6 alkenylene)--; and--(CH.sub.2).sub.f --V--(CH.sub.2).sub.g --, wherein V is C.sub.3 -C.sub.6 cycloalkylene, f is 1-5 and g is 0-5, provided that the sum of f and g is 1-6;R.sup.2 is --(lower alkylene)--COR.sup.5 or --(CH.dbd.CH)--COR.sup.5 ;R.sup.3 and R.sup.4 are independently selected from the group consisting of 1-3 substituents independently selected from the group consisting of lower alkyl, --OR.sup.6, --O(CO)R.sup.6, --O(CO)OR.sup.9, --O(CH.sub.2).sub.1-5 OR.sup.6, --O(CO)NR.sup.6 R.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: November 18, 1997
    Assignee: Schering Corporation
    Inventor: Wayne D. Vaccaro
  • Patent number: 5688960
    Abstract: Compound represented by the structural formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: a is 0, 1, 2 or 3;b, d and e are independently 0, 1 or 2;R is H, C.sub.1-6 alkyl, --OH or C.sub.2 -C.sub.6 hydroxyalkyl;A is an optionally substituted oxime, hydrazone or olefin;X is a bond, --C(O)--, --O--, --NR.sup.6 --, --S(O).sub.e --, --N(R.sup.6)C(O)--, --C(O)N(R.sup.6)-- --OC(O)NR.sup.6 --, --OC(.dbd.S)NR.sup.6 --, --N(R.sup.6)C(.dbd.S)O--, --C(.dbd.NOR.sup.1)--, --S(O).sub.2 N(R.sup.6)--, --N(R.sup.6)S(O).sub.2 --, --N(R.sup.6)C(O)O-- or --OC(O)--;T is H, phthalimidyl, aryl, heterocycloalkyl, heteroaryl, cycloalkyl or bridged cycloalkyl;Q is heteroaryl;R.sup.6a, R.sup.7a, R.sup.8a, R.sup.9a, R.sup.6 and R.sup.7 are H, C.sub.1-6 alkyl, C.sub.2 -C.sub.6 hydroxyalkyl, C.sub.1 -C.sub.6 alkoxy-C.sub.1 -C.sub.6 alkyl, phenyl or benzyl; or R.sup.6 and R.sup.7, together with the nitrogen to which they are attached, form a ring;R.sup.9a is R.sup.6 or --OR.sup.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: November 18, 1997
    Assignee: Schering Corporation
    Inventor: Bandarpalle B. Shankar
  • Patent number: 5688990
    Abstract: Substituted azetidinone hypocholesterolemic agents of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: Ar.sup.1 is R.sup.3 -substituted aryl;Ar.sup.2 is R.sup.4 -substituted aryl;Ar.sup.3 is R.sup.5 -substituted aryl;Y and Z are independently --CH.sub.2 --, --CH(lower alkyl)- or --C(dilower alkyl)-;A is --O--, --S--, --S(O)-- or --S(O).sub.2 --;R.sup.1 is --OR.sup.6, --O(CO)R.sup.6, --O(CO)OR.sup.9 or --O(CO)NR.sup.6 R.sup.7 ; R.sup.2 is hydrogen, lower alkyl or aryl; or R.sup.1 and R.sub.2 together are .dbd.O;q is 1, 2 or 3; p is 0, 1, 2, 3 or 4;R.sup.5 is 1-3 substituents independently selected from --OR.sup.6, --O(CO)R.sup.6, --O(CO)OR.sup.9, --O(CH.sub.2).sub.1-5 OR.sup.9, --O(CO)NR.sup.6 R.sup.7, --NR.sup.6 R.sup.7, --NR.sup.6 (CO)R.sup.7, --NR.sup.6 (CO)OR.sup.9, --NR.sup.6 (CO)NR.sup.7 R.sup.8, --NR.sup.6 SO.sub.2 -lower alkyl, --NR.sup.6 SO.sub.2 -aryl, --CONR.sup.6 R.sup.7, --COR.sup.6, --SO.sub.2 NR.sup.6 R.sup.7, S(O).sub.0-2 -alkyl, S(O).sub.0-2 -aryl, --O(CH.sub.2).
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: November 18, 1997
    Inventor: Bandarpalle B. Shankar
  • Patent number: 5688787
    Abstract: Novel compounds of the formula ##STR1## wherein A is --CH.dbd.CH--B; --C.tbd.C--B; --(CH.sub.2).sub.p --X--B, and X is a bone, --NH-- or --S(O).sub.0-2 --; optionally substituted heteroaryl or benzofused heteroaryl; --C(O)--B; or ##STR2## D is B'--(CH.sub.2).sub.m C(O)--, B'--(CH.sub.2).sub.q --, B'--(CH.sub.2).sub.e --Z--(CH.sub.2).sub.r, wherein Z is --O--, --C(O)--, phenylene, --NR.sub.8 -- or --S(O).sub.0-2 --, B'--(alkenylene)--; B'--(alkadienylene)--; B'--(CH.sub.2).sub.t --Z--(alkenylene), B'--(CH.sub.2).sub.f --V--(CH.sub.2).sub.g --, wherein V is cycloalkylene, B'--(CH.sub.2).sub.t --V--(alkenylene) or B'--(alkenylene)--V--(CH.sub.2).sub.t --, B'--(CH.sub.2).sub.a --Z--(CH.sub.2).sub.b --V--(CH.sub.2).sub.d --, T--(CH.sub.2).sub.s --, wherein T is cycloalkyl; naphthylmethyl or optionally substituted heteroarylmethyl;B is optionally substituted phenyl;B' is naphthyl, optionally substituted heteroaryl or optionally substituted phenyl;R is hydrogen, fluoro, alkyl, alkenyl, alkynyl, or B--(CH.sub.2).sub.
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: November 18, 1997
    Assignee: Schering Corporation
    Inventors: Duane A. Burnett, John W. Clader, Sundeep Dugar, Wayne Vaccaro
  • Patent number: 5686646
    Abstract: Disclosed are chiral hydrazine derivatives of the formula (Ia), (Ib), (Ic) and (Id) ##STR1## wherein: R.sup.1 and R.sup.2 are independently C.sub.1 -C.sub.10 alkyl;R.sup.3 is H or R.sup.4 wherein R.sup.4 is a hydroxy protecting group; andZ is H, --CHO, --C(O)OC(CH.sub.3).sub.3 or --C(O)OCH.sub.2 C.sub.6 H.sub.5.Also described is a process for preparing chiral hydrazines of the formula (Ia), (Ib), (Ic) and (Id).
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: November 11, 1997
    Assignee: Schering-Plough Corporation
    Inventors: David R. Andrews, Anantha Sudhakar