Patents by Inventor Bengt R. Andersson

Bengt R. Andersson 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).

  • Patent number: 5708018
    Abstract: Compounds and their pharmaceutically acceptable salts suitable for treating central nervous system disorders associated with the dopamine D3 receptor activity of Formula I: ##STR1## wherein R.sub.1 and R.sub.2 are independently chosen from hydrogen, C.sub.1 -C.sub.8 alkyl, OCH.sub.3, OH, OSO.sub.2 CF.sub.3, OSO.sub.2 CH.sub.3, SOR.sub.5, CO.sub.2 R.sub.5, CONH.sub.2, CONR.sub.5 R.sub.6, COR.sub.5, CN, SO.sub.2 NH.sub.2, SO.sub.2 NR.sub.5 R.sub.6, SO.sub.2 R.sub.5, --OCO--(C.sub.1 -C.sub.6 alkyl), --NCO--(C.sub.1 -C.sub.6 alkyl), --CH.sub.2 O--(C.sub.1 -C.sub.6 alkyl), --CH.sub.2 OH, --CO-Aryl, --NHSO.sub.2 -Aryl, --NHSO.sub.2 --(C.sub.1 -C.sub.6 alkyl), phthalimide, thiophenyl, pyrrol, pyrrolinyl, oxazolyl, or R.sub.1 and R.sub.2 together form --O(CH.sub.2).sub.1-2 O-- or --(CH.sub.2).sub.3-6 -- (except that only one of R.sub.1 and R.sub.2 can be hydrogen or OH in any such compound); R.sub.3 and R.sub.4 are independently chosen from C.sub.2 -C.sub.4 alkenyl, C.sub.3 -C.sub.8 alkynyl, C.sub.3 -C.sub.
    Type: Grant
    Filed: February 2, 1996
    Date of Patent: January 13, 1998
    Assignee: Pharmacia & Upjohn Company
    Inventors: Susanne R. Haadsma-Svensson, Bengt R. Andersson, Clas A. Sonesson, Chiu-Hong Lin, R. Nicholas Waters, Kjell A. I. Svensson, Per A. E. Carlsson, Lars O. Hansson, N. Peter Stjernlof
  • Patent number: 5639778
    Abstract: A compound of formula (I) and pharmaceutically acceptable salts thereof, where Z is R.sub.3 and X and Y form (a), or X is R.sub.3 and Y and Z form (a) or (b); R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, --CH.sub.2 --C.sub.3-7 cycloalkyl, phenyl (optionally substituted with halogen or C.sub.1-6 alkyl), -thiophenyl (optionally substituted with halogen or C.sub.1-6 alkyl), or C.sub.1-6 alkyl phenyl; R.sub.3 are independently hydrogen, halogen, --O--C.sub.1-6 alkyl or C.sub.1-6 alkyl; R.sub.4 is a valence bond, CH.sub.2 or oxygen; R.sub.5 and R.sub.6 are independently hydrogen, sulfur, --S--C.sub.1-6 alkyl, halogen, CON(R.sub.3).sub.2, --COCF.sub.3, --CO--C.sub.1-6 alkyl, --CO phenyl, oxygen, --CHO, CN except that when Y and Z form (b), R.sub.1 and R.sub.2 are hydrogen or a C.sub.1-6 alkyl and R.sub.3 is hydrogen, then at least one of R.sub.5 and R.sub.6 must be other than hydrogen.
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: June 17, 1997
    Assignee: Pharmacia & Upjohn Company
    Inventors: Bengt R. Andersson, Per A. E. Carlsson, Lars O. Hansson, Clas A. Sonesson, N. Peter Stjernlof, Kjell A. I. Svensson, R. Nicholas Waters, Susanne R. Haadsma-Svensson
  • Patent number: 5594024
    Abstract: A compound or Formula I ##STR1## or a pharmaceutically acceptable salt thereof wherein n is 1 or 2; R.sup.1 and R.sup.2 are independently H (provided only one is H at the same time), --OH, CN, CH.sub.2 CN, 2- or 4-CF.sub.3, CH.sub.2 CF.sub.3, CH.sub.2 CHF.sub.2, CH.dbd.CF.sub.2, (CH.sub.2).sub.2 CF.sub.3, ethenyl, 2-propenyl, OSO.sub.2 CH.sub.3, OSO.sub.2 CF.sub.3, SSO.sub.2 CF.sub.3, COR, COOR, CON(R).sub.2, SO.sub.x CH.sub.3 (where, x is 0-2), SO.sub.x CF.sub.3, O(CH.sub.2).sub.x CF.sub.3, SO.sub.2 N(R).sub.2, CH.dbd.NOR, COCOOR, COCOON(R).sub.2, C.sub.1-8 alkyls, C.sub.3-8 cycloalkyls, CH.sub.2 OR, CH.sub.2 (R).sub.2, NRSO.sub.2 CF.sub.3, NO.sub.2, halogen, a phenyl at positions 2, 3 or 4, thienyl, furyl, pyrrole, oxazole, thiazole, N-pyrroline, triazole, tetrazole or pyridine; R.sup.3 is hydrogen, CF.sub.3, CH.sub.2 CF.sub.3, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.4 -C.sub.9 cycloalkyl-methyl, C.sub.2 -C.sub.8 alkenyl, C.sub.2 -C.sub.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: January 14, 1997
    Assignee: The Upjohn Company
    Inventors: Kjell A. I. Svensson, Hakan V. Wikstrom, Per A. E. Carlsson, Anna M. P. Boije, R. Nicholas Waters, Clas A. Sonesson, Nils P. Stjernlof, Bengt R. Andersson, Lars O. Hansson
  • Patent number: 5462947
    Abstract: A compound of Formula I ##STR1## or a pharmaceutically acceptable salt thereof wherein n is 1 or 2; R.sup.1 and R.sup.2 are independently H (provided only one is H at the same time), --OH, CN, CH.sub.2 CN, 2-- or 4--CF.sub.3, CH.sub.2 CF.sub.3, CH.sub.2 CHF.sub.2, CH.dbd.CF.sub.2, (CH.sub.2).sub.2 CF.sub.3, ethenyl, 2-propenyl, OSO.sub.2 CH.sub.3, OSO.sub.2 CF.sub.3, SSO.sub.2 CF.sub.3, COR, COOR, CON(R).sub.2, SO.sub.x CH.sub.3 (where, x is 0-2), SO.sub.x CF.sub.3, O(CH.sub.2).sub.x CF.sub.3, SO.sub.2 N(R).sub.2, CH.dbd.NOR, COCOOR, COCOON(R).sub.2, C.sub.1-8 alkyls, C.sub.3-8 cycloalkyls, CH.sub.2 OR, CH.sub.2 (R).sub.2, NRSO.sub.2 CF.sub.3, NO.sub.2, halogen, a phenyl at positions 2, 3 or 4, thienyl, furyl, pyrrole, oxazole, thiazole, N-pyrroline, triazole, tetrazole or pyridine; R.sup.3 is hydrogen, CF.sub.3, CH.sub.2 CF.sub.3, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.4 -C.sub.9 cycloalkyl-methyl, C.sub. 2 -C.sub.8 alkenyl, C.sub.2 -C.sub.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: October 31, 1995
    Assignee: The Upjohn Company
    Inventors: Kjell A. I. Svensson, Hakan V. Wikstrom, Per A. E. Carlsson, Anna M. P. Boije, R. Nicholas Waters, Clas A. Sonesson, Nils P. Stjernlof, Bengt R. Andersson, Lars O. Hansson
  • Patent number: 5461061
    Abstract: A compound of Formula I ##STR1## or pharmaceutically acceptable salts of Formula I, where R.sup.1 is H, C.sub.1 -C.sub.3 alkyl, --(CH.sub.2).sub.n CONH.sub.2 where n is 2 to 6, (CH2).sub.n -1-(4,4-dimethylpiperidine-2,6-dione-yl), or cyclopropylmethyl;R.sup.2 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl or combined with R.sup.1 to form a C.sub.3 -C.sub.8 cycloalkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.2 -C.sub.8 akynyl, (CH.sub.2).sub.n --X--Ar where X is O, S, or NH, 3,3,3-trifluoropropyl, --(CH.sub.2).sub.m --R.sup.9 where m is 2 or 3 and R.sup.9 is phenyl, 2-thiophenyl or 3-thiophenyl; R.sup.3 is hydrogen, C.sub.1 -C.sub.3 alkyl, 2,2,2-trifluoroethyl, 3,3,3-trifluoropropyl, formyl, CN, halogen, CH.sub.2 OR.sup.2, C(O)C(O)OR.sup.1, C(O)CO NR.sup.1 R.sup.2, --(CH.sub.2).sub.q --NR.sup.1 R.sup.2 where q is 0 to 5, C.dbd.NOR.sup.2, 2(4,5-dihydro)oxazolyl, or COR.sup.10 where R.sup.10 is H, R.sup.1, NR.sup.1 R.sup.2 or CF.sub.3 ; R.sup.4 is hydrogen, C.sub.1 -C.sub.
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: October 24, 1995
    Inventors: Hakan V. Wikstrom, Per A. E. Carlsson, Bengt R. Andersson, Kjell A. I. Svensson, Stig T. Elebring, Nils P. Stjernlof, Arthur G. Romero, Susanne R. Haadsma-Svensson, Chiu-Hong Lin, Michael D. Ennis
  • Patent number: 5306830
    Abstract: The present invention is directed to novel chromane derivatives substituted in the 3-position by a substituted amino moiety and substituted on the aromatic ring with one or two substituents. The novel chromane derivatives have useful CNS properties.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: April 26, 1994
    Assignee: The Upjohn Company
    Inventors: Bengt R. Andersson, Per A. E. Carlsson, Kjell A. I. Svensson, Hakan V. Wikstrom, Anders R. Hallberg
  • Patent number: 5288748
    Abstract: A compound of Formula I ##STR1## or pharmaceutically acceptable salts of Formula I, where R.sup.1 is H, C.sub.1 -C.sub.3 alkyl, --(CH.sub.2).sub.n CONH.sub.2 where n is 2 to 6, (CH2).sub.n -1-(4,4-dimethylpiperidine-2,6-dione-yl), or cyclopropylmethyl;R.sup.2 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl or combined with R.sup.1 to form a C.sub.3 -C.sub.8 cycloalkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.2 -C.sub.8 akynyl, (CH.sub.2).sub.n --R"--Ar where R" is O, S, or NH, 3,3,3-trifluoropropyl, --(CH.sub.2).sub.m --R.sup.9 where m is 2 or 3 and R.sup.9 is phenyl, 2-thienyl or 3-thienyl; R.sup.3 is hydrogen, C.sub.1 -C.sub.3 alkyl, 2,2,2-trifluoroethyl, 3,3,3-trifluoropropyl, formyl, CN, halogen, CH.sub.2 OR.sup.2, C(O)C(O)OR.sup.1, C(O)CO NR.sup.1 R.sup.2, --(CH.sub.2).sub.q --NR.sup.1 R.sup.2 where q is 0 to 5, C.dbd.NOR.sup.2, 2(4,5-dihydro)oxazolyl, or COR.sup.10 where R.sup.10 is H, R.sup.1, NR.sup.1 R.sup.2 or CF.sub.3 ; R.sup.4 is hydrogen, C.sub.1 -C.sub.3 alkyl, cyclopropylmethyl, CF.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: February 22, 1994
    Assignee: The Upjohn Company
    Inventors: Hakan V. Wikstrom, Per A. E. Carlsson, Bengt R. Andersson, Kjell A. I. Svensson, Stig T. Elebring, Nils P. Stjernlof, Arthur G. Romero, Susanne R. Haadsma-Svensson, Chiu-Hong Lin, Michael D. Ennis
  • Patent number: 5225596
    Abstract: This invention is therapeutically useful tetralins and pharmaceutically acceptable acid addition salts thereof of the formula ##STR1## wherein X.sub.1 is halogen, CF.sub.3, --OR.sub.3, or --SR.sub.4 ; wherein R.sub.3 is alkyl(C.sub.1 -C.sub.8); alkenyl(C.sub.1 -C.sub.8); --CH.sub.2 -cycloalkyl(C.sub.3 -C.sub.8) or benzyl; wherein R.sub.4 is alkyl(C.sub.1 -C.sub.3); wherein X.sub.2 is hydrogen, CF.sub.3 or halogen; wherein R.sub.7 is hydrogen or methyl; wherein R.sub.1 is hydrogen, alkyl(C.sub.1 -C.sub.3), or cyclopropylmethyl; wherein R.sub.2 is --CH.sub.2 -cycloalkyl(C.sub.3 -C.sub.8), alkyl(C.sub.1 -C.sub.8), --(CH.sub.2).sub.q --R.sub.5 or --CH.sub.2 CH.sub.2 --Z--(CH.sub.2).sub.r CH.sub.3 ; wherein R.sub.5 is phenyl, 2-thiophene or 3-thiophene; wherein Z is oxygen or sulfur; and wherein p is one or 2, q is 2 or 3, and r is zero to 3; with the provisos that (1) when X.sub.1 is --OR.sub.3, X.sub.2 is halogen or CF.sub.3 ; and (2) when X.sub.1 is halogen, X.sub.2 is hydrogen, and p is 2, X.sub.
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: July 6, 1993
    Assignee: The Upjohn Company
    Inventors: Per A. E. Carlsson, Hakan V. Wikstrom, Kjell A. I. Svensson, Bengt R. Andersson, Barbro A. Ekman, Nils P. Stjernlof, Nils A. Svensson
  • Patent number: 5214156
    Abstract: This invention is therapeutically useful tetralins and pharmaceutically acceptable acid addition salts thereof of the formula ##STR1## wherein YR.sub.1 is OR.sub.1 at the 8 position where R.sub.1 is --CH.sub.2 --(C.sub.3-8 cycloalkyl);R.sub.2 is hydrogen or C.sub.1-3 alkyl;R.sub.3 is --CH.sub.2 --(C.sub.3-8 cycloalkyl);R.sub.4 is hydrogen, C.sub.1-8 alkyl, --CH.sub.2 --(C.sub.3-4 cycloalkyl), --(CH.sub.2).sub.m --R.sub.5 or --CH.sub.2 --CH.sub.2 --X--(CH.sub.2).sub.n CH.sub.3 ; n is zero to 3 and m is 2 or 3; X is oxygen or sulfur;R.sub.5 is phenyl, C.sub.1-3 alkoxy, C.sub.1-3 alkyl, 2-thiophene, 3-thiophene, or phenyl substituted with one or two substituent groups selected from chlorine, bromine or fluorine; and with the proviso that when R.sub.3 contains more than four carbon atoms and R.sub.4 is alkyl, said alkyl contains from 1 to 3 carbon atoms.Alternatively, --YR.sub.1 is --S--(C.sub.1-3 alkyl) at the 5, 6, 7 or 8 position of the aromatic ring or OR.sub.1 at the 8 position where R.sub.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: May 25, 1993
    Assignee: The Upjohn Company
    Inventors: Bengt R. Andersson, Per Arvid E. Carlsson, Kjell A. I. Svensson, Hakan V. Wikstrom
  • Patent number: 4612316
    Abstract: Compounds of the formula ##STR1## wherein C.sup.1 and N.sup.4 are in trans configuration to each other, wherein R and Y are defined herein below, as bases and pharmaceutically acceptable acid addition salts thereof, processes for their preparation and pharmaceutical preparations and methods of treatment employing such compounds. The compounds are useful for treatment of disorders in the central nervous system.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: September 16, 1986
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Bengt R. Andersson, Folke L. Arvidsson, Per A. E. Carlsson, John S. M. Hjort, Anette M. Johansson, Per L. Lindberg, John L. G. Nilsson, Domingo Sanchez, Kjell A. I. Svensson, Hakan V. Wikstrom