Aminothiophene carboxylic acid amides and the use thereof as phosphodiesterase inhibitors

Compounds of the formula I ##STR6## where R.sup.1 and R.sup.2, independently of one another, are each H, A, OA, alkenyl, alkynyl, CF.sub.3 or Hal, one of the radicals R.sup.1 or R.sup.2 always being.noteq.H,

• R.sup.1 and R.sup.2 together are also alkylene having 3-5 C atoms,
• R.sup.3 and R.sup.4, independently of one another, are each H, A, OA, NO.sub.2, NH.sub.2 or Hal,
• R.sup.3 and R.sup.4 together are also --O--CH.sub.2 --CH.sub.2 --, --O--CH.sub.2 --O-- or --O--CH.sub.2 --CH.sub.2 --O--,
• A and A', independently of one another, are each H or alkyl having 1 to 6 C atoms,
• R.sup.5 is --X--Y,
• X is CO, CS or SO.sub.2,
• Y is a saturated or unsaturated 5- to 7-membered isocyclic or heterocyclic ring which is unsubstituted or monosubstituted or disubstituted by COOH, COOA, CONH.sub.2, CONAA', CONHA, CN, NHSO.sub.2 A, N(SO.sub.2 A).sub.2 or SO.sub.2 A,
• Hal is F, Cl, Br or I and
• n is 0, 1, 2 or 3,
• and their physiologically acceptable salts excluding the compound 2-benzoylamino- 4,5,6,7-tetrahydro-benzo[b]thiophen-3-carboxylic acid N-phenylamide.