Patents Assigned to John Wyeth & Brother
  • Patent number: 5708026
    Abstract: This invention concerns compounds of generic formula: ##STR1## or a pharmaceutically acceptable salt thereof, where the dotted line represents an optional bond,one of R.sup.1 and R.sup.5 represents hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.7 -C.sub.16 aralkyl, --(CHR.sup.6).sub.n CHR.sup.7 CN, --(CHR.sup.6).sub.n CHR.sup.7 CONH.sub.2, --(CHR.sup.6).sub.n CHR.sup.7 COOR.sup.8, --(CHR.sup.6).sub.n CHR.sup.7 CH.sub.2 OH wherein n is 0 or 1, R.sup.6 and R.sup.7 independently represent hydrogen, C.sub.1 -C.sub.6 alkyl- or C.sub.7 -C.sub.16 aralkyl-, and R.sup.7 also represents hydroxy(C.sub.1 -C.sub.6)alkyl-, (C.sub.2 -C.sub.7)alkanoyloxy(C.sub.1 -C.sub.6)alkyl-, (C.sub.1 -C.sub.6 alkoxy)carbonyl- and R.sup.8 is hydrogen or C.sub.1 -C.sub.6 alkyl;the other of R.sup.1 and R.sup.5 is hydrogen, C.sub.1 -C.sub.6 alkyl or C.sub.7 -C.sub.16 aralkyl; R.sup.3 is C.sub.6 -C.sub.10 aryl or heteroaryl group optionally substituted by one or more substituents the same or differnet,R.sup.2 and R.sup.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: January 13, 1998
    Assignee: John Wyeth & Brother
    Inventors: Roger Crossley, Albert Opalko
  • Patent number: 5681839
    Abstract: This invention concerns a compound of generic formula ##STR1## or a pharmaceutically acceptable salt thereof, where the dotted lines represent optional bonds,R.sup.3 is an optionally substituted C.sub.6 -C.sub.10 aryl or heteroaryl group;R.sup.4 represents hydrogen, or a group of formula --CR.sup.a R.sup.b R.sup.c where R.sup.a, R.sup.b and R.sup.c are independently selected from hydrogen, C.sub.1 -C.sub.6 alkyl C.sub.6 -C.sub.10 aryl, heteroaryl, C.sub.1 -C.sub.6 alkyl substituted by optionally substituted C.sub.6 -C.sub.10 aryl or heteroaryl;R' represents one or more optional substituents the same or different, selected from halogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.7 alkoxycarbonyl, C.sub.1 -C.sub.6 hydroxyalkyl, CN, aminocarbonyl, C.sub.2 -C.sub.7 alkanoyloxy(C.sub.1 -C.sub.6)alkyl, carboxy, C.sub.2 -C.sub.7 alkanoxylamino, C.sub.6 -C.sub.10 or heteroaryl or an (C.sub.6 -C.sub.
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: October 28, 1997
    Assignee: John Wyeth & Brother
    Inventors: Roger Crossley, Albert Opalko, Barry John Langham
  • Patent number: 3984430
    Abstract: This invention relates to novel thiohydantoins having the formula: ##SPC1##Wherein R represents lower alkyl or a phenyl or phenyl lower alkyl radical in either of which the phenyl portion may be substituted by halogen, lower alkyl or lower alkoxy; A is oxygen or a direct bond; B represents lower alkylene, R.sup.1 represents hydrogen, or lower alkyl; and R.sup.2 represents lower alkyl or phenyl which may be substituted by halogen, lower alkyl or lower alkoxy, which possess anti-ulcer activity.
    Type: Grant
    Filed: April 11, 1975
    Date of Patent: October 5, 1976
    Assignee: John Wyeth & Brother
    Inventor: Adrian Charles Ward Curran
  • Patent number: 3979402
    Abstract: This invention relates to novel thiazole derivatives having the formula: ##SPC1##Wherein R represents an unsubstituted or substituted aryl radical; R.sup.1 and R.sup.2 independently represent hydrogen or lower alkyl; R.sup.3 represents hydrogen or lower alkyl; and --COZ represents an amide group; a carboxylic acid group or an ammonium or pharmaceutically acceptable alkali metal or alkaline earth metal salt thereof; or an ester group of formula --COOR.sup.4 wherein R.sup.4 represents an alkyl, aralkyl or aryl radical, which exhibit antilipemic activity.
    Type: Grant
    Filed: February 24, 1975
    Date of Patent: September 7, 1976
    Assignee: John Wyeth & Brother
    Inventors: Robert Anthony Newberry, Brian John Bushell
  • Patent number: 3971782
    Abstract: The invention relates to fluorene derivatives of the formula ##SPC1##And their pharmaceutically acceptable acid addition salts. In the formula R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each represent hydrogen, hydroxyl, lower alkyl, lower alkoxy or halogen, R.sup.5 and R.sup.6 each represent hydrogen or lower alkyl and n represents 1 or 2. The compounds have hypoglycaemic activity.
    Type: Grant
    Filed: November 4, 1975
    Date of Patent: July 27, 1976
    Assignee: John Wyeth & Brother
    Inventors: Alan Chapman White, Robin Michael Black