Additional Hetero Ring Attached Directly To The Sulfur Patents (Class 514/210.11)
  • Patent number: 9918963
    Abstract: A method for treating the relapsing-remitting or secondary progressive multiple sclerosis at the time of relapse, by administering a benzopyran derivative of the following formula or a salt thereof, where R1 represents an optionally substituted C1-6 alkyl group, one of R2 and R3 represents a hydrogen atom, and the other of R2 and R3 represents a hydrogen atom, an optionally substituted amino group, an optionally substituted acylamino group, an optionally substituted carbamoyl group or an optionally substituted aryl group.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: March 20, 2018
    Assignee: TOYAMA CHEMICAL CO., LTD.
    Inventors: Keiichi Tanaka, Kimiko Morimoto
  • Patent number: 8415339
    Abstract: Pharmaceutical compositions containing a carbapenem of the structural formula I and epicillin are strongly bactericidal against MRSA and MRSE. Equivalently, compositions of conventional carbapenem antibiotics and epicillin are highly synergistic in eradicating said bacteria.
    Type: Grant
    Filed: May 14, 2008
    Date of Patent: April 9, 2013
    Inventor: Hans Rudolf Pfaendler
  • Patent number: 7947675
    Abstract: Compounds of the formula (I), in which the radicals R1 to R3 and AR are as defined in the description, processes for the preparation thereof, the use thereof in the treatment of cardiovascular diseases, and pharmaceutical compositions comprising them.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: May 24, 2011
    Assignee: Merck Patent GmbH
    Inventors: Bruno Roux, Isabelle Berard
  • Patent number: 7041836
    Abstract: The present invention relates to carbapenems and provides a compound of the formula (I): or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof wherein: R1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl; R2 is hydrogen or C1-4alkyl; R3 is hydrogen or C1-4alkyl; R4 and R5 are the same or different and are selected from hydrogen, halo, cyano, C1-4alkyl, nitro, hydroxy, carboxy, C1-4alkoxy, C1-4alkoxycarbonyl, aminosulphonyl, C1-4alkylaminosulphonyl, di-C1-4-alkylaminosulphonyl, carbamoyl, C1-4alkylcarbamoyl, di-C1-4-alkylcarbamoyl, trifluoromethyl, sulphonic acid, amino, C1-4alkylamino, di-C1-4alkylamino, C1-4alkanoylamino, C1-4alkanoyl(N—C1-4alkyl)amino, C1-4alkanesulphonamido and C1-4alkylS(O)n— wherein n is zero, one or two: with the proviso that there is no hydroxy or carboxy substituent in a position ortho to the link to —NR3—. Processes for their preparation, intermediates in their preparation, their use as therapeutic agents and pharmaceutical compositions containing them.
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: May 9, 2006
    Assignee: AstraZeneca UK Limited
    Inventors: Michael John Betts, Gareth Morse Davies, Michael Lingard Swain
  • Patent number: 6521612
    Abstract: The present invention relates to carbapenems and provides a compound of the formula (I): or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof wherein: R1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl; R2 is hydrogen or C1-4alkyl; R3 is hydrogen or C1-4alkyl; R4 and R5 are the same or different and are selected from hydrogen, halo, cyano, C1-4alkyl, nitro, hydroxy, carboxy, C1-4alkoxy, C1-4alkoxycarbonyl, aminosulphonyl, C1-4alkylaminosulphonyl, di-C1-4-alkylaminosulphonyl, carbamoyl, C1-4alkylcarbamoyl, di-C1-4 alkylcarbamoyl, trifluoromethyl, sulphonic acid, amino, C1-4alkylamino, di-C1-4alkylamino, C1-4alkanoylamino, C1-4alkanoyl(N—C1-4alkyl)amino, C1-4alkanesulphonamido and C1-4alkylS(O)n— wherein n is zero; one or two: with the proviso that there is no hydroxy or carboxy substituent in a position ortho to the link to —NR3—.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: February 18, 2003
    Assignee: Zeneca Ltd.
    Inventors: Michael John Betts, Gareth Morse Davies, Michael Lingard Swain
  • Patent number: 6514962
    Abstract: Stabilized preparations which contain a &bgr;-lactam antibiotic having an esterified carboxyl group attached directly to the mother nucleus, an oil and a phosphate.
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: February 4, 2003
    Assignee: Takeda Schering-Plough Animal Health K.K.
    Inventors: Hatsuo Shibatani, Tomoyasu Nakamura