Patents Represented by Attorney Thomas O. McGovern
  • Patent number: 4609664
    Abstract: Piperidylidene derivatives of formula ##STR1## wherein n is 2 or 3, R.sub.1 comprises a tricyclic nucleus and R.sub.2 is hydrogen or an acid residue, useful in the treatment and prophylaxis of asthmatic conditions.
    Type: Grant
    Filed: July 16, 1984
    Date of Patent: September 2, 1986
    Assignee: Sandoz Ltd.
    Inventor: Klaus Hasspacher
  • Patent number: 4609731
    Abstract: The present invention provides an improved process for the production of a compound of formula I ##STR1## wherein R.sub.1 is carboxyl, alkoxy(C.sub.1-5)carbonyl, amido, alkyl(C.sub.1-5)amido, di(alkyl(C.sub.1-5)amido or an amido radical of formula II ##STR2## wherein R.sub.a is alkyl(C.sub.1-4),R.sub.b is alkyl(C.sub.1-4) or benzyl, andR.sub.2 is hydrogen or alkyl(C.sub.1-4), andeitherR.sub.3 is hydrogen and R.sub.4 is hydrogen or alkoxy(C.sub.1-4)orR.sub.3 and R.sub.4 together are a single bond,characterized in that a compound of formula III ##STR3## wherein R.sub.1 to R.sub.4 are as defined above,is brominated with a bromine complex of 3-bromo-6-chloro-2-methyl-imidazo[1,2-b]pyridazine.
    Type: Grant
    Filed: April 18, 1980
    Date of Patent: September 2, 1986
    Assignee: Sandoz Ltd.
    Inventors: Milan Jurgec, Rudolf Rucman, Branko Stanovnik, Miha Tisler
  • Patent number: 4602032
    Abstract: A 2-alkyl-9,10-dioxy-4,5,5a,6-tetrahydro-dibenz[cd,f]indole or an acid addition salt thereof is a useful anti-parkinson agent.
    Type: Grant
    Filed: December 19, 1984
    Date of Patent: July 22, 1986
    Assignee: Sandoz Ltd.
    Inventor: Rudolf K. A. Giger
  • Patent number: 4593031
    Abstract: This invention relates to a composition and method for potentiating the antidepressant effect of dibenzocycloheptadiene-type antidepressant agents, for example, nortriptyline, in the treatment of depression, especially geriatric depression, by administering them in combination with an approximately 1:1:1 by weight mixture of dihydroergocryptine (2:1 .alpha.:.beta.), dihydroergocornine and dihydroergocristine.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: June 3, 1986
    Assignee: Sandoz, Inc.
    Inventors: Robert W. Griffith, Jack Singer
  • Patent number: 4582848
    Abstract: This disclosure relates to substituted indolamines, which exhibit anti-diabetic activity, having the formula: ##STR1## where m is an integer from 1 to 4,x represents hydrogen or --OHR represents Ar or ##STR2## and Ar represents ##STR3## R.sub.1 represents hydrogen, fluoro, chloro, lower alkyl or lower alkoxy, R.sub.2 and R.sub.3 each, independently, represent lower alkyl, orR.sub.2 and R.sub.3 together with N represent ##STR4## wherein n is 1, 2 or 3,R.sub.4 represents hydrogen or lower alkyl, andR.sub.5 represents hydrogen or lower alkyl, unsubstituted phenyl or phenyl substituted with fluoro, chloro, lower alkyl or lower alkoxy, oror pharmaceutically acceptable acid addition salts thereof.
    Type: Grant
    Filed: June 16, 1983
    Date of Patent: April 15, 1986
    Assignee: Sandoz, Inc.
    Inventor: Jeffrey Nadelson
  • Patent number: 4567192
    Abstract: Compounds of formula I ##STR1## wherein n=1 to 5 possessing analgesic activity with reduced hepatoxicity as compared with paracetamol.
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: January 28, 1986
    Assignee: Sandoz Ltd.
    Inventors: Laszlo Revesz, Trevor J. Petcher
  • Patent number: 4565818
    Abstract: A 6- and/or 7-oxy-trans-1,2,3,4,4a,5,10,10a-octahydro-benzo[g]quinoline in which the 3-position is substituted by an optionally amidated carboxy group, an optionally etherified hydroxymethyl group, a cyanomethyl group, an alkyl- or aryl-thiomethyl group or a sulfamoylamino or carbamoylamino group, or a physiologically-hydrolysable and -acceptable ester thereof. The subject compounds are useful as pharmaceuticals, in particular as prolactin secretion inhibitors, dopaminergic agents ad dopamine receptor stimulating agents.
    Type: Grant
    Filed: October 14, 1982
    Date of Patent: January 21, 1986
    Assignee: Sandoz Ltd.
    Inventors: Rene Nordmann, Trevor J. Petcher
  • Patent number: 4554351
    Abstract: A method for the total synthesis of cyclosporins, in particular Cyclosporin A, cyclosporins produced in accordance with the method of the invention and novel intermediates, in particular novel [1S, 2R, 3R]- and [1R, 2S, 3S]-1-nitrilo-1-carbonyl-3-methyl-2-oxy-heptanes and -hept-5-enes, employed in the method of the invention.
    Type: Grant
    Filed: May 5, 1983
    Date of Patent: November 19, 1985
    Assignee: Sandoz Ltd.
    Inventor: Roland Wenger
  • Patent number: 4547500
    Abstract: A 2-methyl-8 (R) or (S) ergot peptide alkaloid in free base form or in pharmaceutically acceptable acid addition salt form is a useful anti-Parkinson agent, prolactin secretion inhibitor, anti-depressant, vigilance-increasing agent, and anti-migraine agent.
    Type: Grant
    Filed: May 10, 1983
    Date of Patent: October 15, 1985
    Assignee: Sandoz Ltd.
    Inventors: Georg Bolliger, Peter Stutz
  • Patent number: 4544663
    Abstract: This disclosure relates to the aspermatogenesis activity of(a) compounds of the formula: ##STR1## where m is an integer from 1 to 4X represents hydrogen or --OHR represents Ar, ##STR2## Ar represents ##STR3## R.sub.1 represents hydrogen, fluoro, chloro, lower alkyl or lower alkoxy, R.sub.2 and R.sub.3 each, independently, represent lower alkyl, orR.sub.2 and R.sub.3 together with N represent ##STR4## wherein n is 1, 2 or 3,R.sub.4 represents hydrogen or lower alkyl, andR.sub.5 represents hydrogen or lower alkyl, unsubstituted phenyl or phenyl mono- or di-substituted with fluoro, chloro, lower alkyl or lower alkoxy, or(b) compounds of the formula: ##STR5## where R' is Ar or ##STR6## Ar, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are as defined above, or a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: October 1, 1985
    Assignee: Sandoz, Inc.
    Inventors: Robert E. Manning, Jeffrey Nadelson
  • Patent number: 4542135
    Abstract: 9-Thia ergot cyclic peptide alkaloids produced by fermentation or synthetic methods have interesting anti-parkinson and other pharmacological activities.
    Type: Grant
    Filed: August 3, 1982
    Date of Patent: September 17, 1985
    Assignee: Sandoz Ltd.
    Inventors: Hans Kobel, Jean-Jacques Sanglier, Hans Tscherter, Georg Bolliger
  • Patent number: 4536499
    Abstract: This disclosure describes novel compounds of the formula ##STR1## where m is 2, 3 or 4X is hydrogen or hydroxyR.sub.1 represents hydrogen, fluoro, chloro, lower alkyl having 1 to 4 carbon atoms or lower alkoxy having 1 to 4 carbon atoms, andR.sub.2 and R.sub.3 each independently represent lower alkyl as defined above, orR.sub.2 and R.sub.3 together with N represent ##STR2## wherein n is 1, 2 or 3, andR.sub.4 represents hydrogen or lower alkyl as defined above, andR.sub.5 represents hydrogen, lower alkyl, phenyl or phenyl substituted with fluoro, chloro, lower alkyl having 1 to 4 carbon atoms, or lower alkoxy having 1 to 4 carbon atoms, with the proviso that when X is hydroxy, m is 3 or 4,or a pharmaceutically acceptable acid addition salt thereof, which are useful in the treatment of diabetes by inhibiting or impeding post-prandial hyperglycemia.
    Type: Grant
    Filed: April 1, 1983
    Date of Patent: August 20, 1985
    Assignee: Sandoz, Inc.
    Inventors: Leonard J. Brand, Jeffrey Nadelson
  • Patent number: 4528191
    Abstract: This disclosure relates to the aspermatogenesis activity of compounds of the following formula: ##STR1## where R.sub.1 and R.sub.2 each independently represent hydrogen, halo having an atomic weight of about 19 to 36, lower alkyl having 1 to 4 carbon atoms, lower alkoxy having 1 to 4 carbon atoms, trifluoromethyl, orR.sub.1 is ##STR2## and R.sub.2 is hydrogen, whereinR.sub.7 and R.sub.8 are each independently hydrogen or lower alkyl having 1 to 2 carbon atoms,n is 0 or 1, andR.sub.3, R.sub.4, R.sub.5 and R.sub.6 each independently represent lower alkyl having 1 to 2 carbon atoms ora pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 6, 1984
    Date of Patent: July 9, 1985
    Assignee: Sandoz, Inc.
    Inventor: Sandor Barcza
  • Patent number: 4515950
    Abstract: The invention concerns a process for the isomerization of ergoline derivatives substituted in the 8.beta. position by an electron withdrawing radical to the corresponding 8.alpha. compounds by removal of the proton in the 8.alpha. position and by a following, separately effected, protonation.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: May 7, 1985
    Assignee: Sandoz Ltd.
    Inventors: Zdenek Brich, Herbert Muhle
  • Patent number: 4499279
    Abstract: This disclosure describes compounds of the formula ##STR1## where R.sub.1 represents hydrogen, fluoro, chloro, lower alkyl having 1 to 4 carbon atoms or lower alkoxy having 1 to 4 carbon atoms, andR.sub.2 represents hydroxy, andR.sub.3 and R.sub.4 each independently represent lower alkyl as defined above, orR.sub.3 and R.sub.4 together with N represent ##STR2## wherein n is 1, 2 or 3, andR.sub.5 and R.sub.6 each independently represent hydrogen or lower alkyl as defined above,or a pharmaceutically acceptable acid addition salt thereof, which are useful as anti-diabetic agents, in particular as hypoglycemic agents and inhibiting or impeding post-prandial hyperglycemia.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: February 12, 1985
    Assignee: Sandoz, Inc.
    Inventors: Leonard J. Brand, Jeffrey Nadelson
  • Patent number: 4496543
    Abstract: Straight-chain or mono-cyclicpolypeptides comprising a heptapeptide moiety, said moiety having in the 1-position (N-terminal) an .alpha.-N-phenylalkylated, optionally ring-substituted phenylalanine residue, in the 2-position a cysteine residue, in the 3-position an optionally ring-substituted phenylalanine residue, in the 4-position an optionally benzene-ring-substituted tryptophan residue, in the 5-position an optionally .epsilon.-N-alkylated lysine residue and in the 7-position (C-terminal) a cysteine or cysteinol residue the S-atoms of the cysteine residue at the 2-position and the cysteine or cysteinol residue at the 7-position being linked together in the case of the mono-cyclic polypeptides to form an -S-S-bridge, whereby the residues at the 1-, 2-, 4-, 6-, and 7-positions of said heptapeptide moiety may each be in the (L)- or (D)-configuration and the residues at the 4-, 5- and 6-positions of said heptapeptide moiety may each be optionally .alpha.
    Type: Grant
    Filed: August 18, 1983
    Date of Patent: January 29, 1985
    Assignee: Sandoz Ltd.
    Inventors: Wilfried Bauer, Janos Pless
  • Patent number: 4491664
    Abstract: A process for the production of an ergot alkaloid comprising intramolecularly cyclizing a 3-iminoethyl-4-trans-buta-1',3'-dienylindole to produce an 8-ergolene and as necessary converting the resultant ergolene into the desired ergot alkaloid.
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: January 1, 1985
    Assignee: Sandoz Ltd.
    Inventor: Wolfgang Oppolzer
  • Patent number: 4478831
    Abstract: The antibiotics S 54832/A-I, S 54832/A-II, S 54832/A-III and S 54832/A-IV are obtained from a new Micromonospora globosa strain.
    Type: Grant
    Filed: May 10, 1982
    Date of Patent: October 23, 1984
    Assignee: Sandoz Ltd.
    Inventors: Camilla Keller-Juslen, Max Kuhn, Hamilton D. King
  • Patent number: 4478837
    Abstract: Pharmaceutical compositions comprising as the active ingredient thereof an aminopyridazine derivative of the formula: ##STR1## wherein R.sub.1 is amino, or ##STR2## wherein each of R.sub.3 and R.sub.4 is alkyl of 1 to 4 carbon atoms, orR.sub.3 and R.sub.4 together with the carbon atom to which they are bound, form a cycloalkylidene radical of 5 to 12 carbon atoms,R.sub.2 is hydrogen or methyl,A is --(CH.sub.2).sub.n --, wherein n is 0 or an integer from 1 to 7, or >N--CO--R.sub.5, wherein R.sub.5 is alkyl of 1 to 16 carbon atoms, alkenyl of 3 to 6 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, 1-adamantyl, or --(CH.sub.2).sub.m --R.sub.6, whereinm is 0 or an integer from 1 to 4, andR.sub.
    Type: Grant
    Filed: April 13, 1979
    Date of Patent: October 23, 1984
    Assignee: Sandoz Ltd.
    Inventor: Erhard Schenker
  • Patent number: 4473576
    Abstract: 9,9-Dimethyl-6,7-benzomorphan derivatives having an oxygen-containing substituent on the nitrogen atom, optionally an alkyl or phenyl 5-substituent and optionally a hydroxy, alkoxy or acyloxy 2'-substituent have analgetic and/or morphine-antagonist properties.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: September 25, 1984
    Assignee: ACF Chemiefarma NV
    Inventors: Antony M. Akkerman, Hermanus C. C. K. van Bakel