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Pharmaceutical compositions, 2-benzothiazolamine derivatives, and their preparation

  • US 5,236,940 A
  • Filed: 09/03/1991
  • Issued: 08/17/1993
  • Est. Priority Date: 12/15/1988
  • Status: Expired due to Fees
First Claim
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1. A compound of formula:

  • ##STR5## in which either;

    (1) - R1 represents polyfluoroalkoxy, tert-butyl, or trimethylsilyl, and R2 and R3 represent hydrogen, with the proviso that, when R1 represents trifluoromethoxy, R2 and R3 are not both hydrogen;

    (2) - or R1 represents polyfluoroalkoxy, R2 represents hydrogen, and R3 represents amino or phenylalkyl;

    (3) - or R1 represents polyfluoroalkoxy, R2 represents amino and R3 represents hydrogen, provided that said alkyl and alkoxy radicals or portions contain 1to 4 carbon atoms each in a straight or branched chain, or a pharmaceutically acceptable salt of a said compound with an inorganic or organic acid.

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