Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1989-01-19
1991-10-08
Springer, David B.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514414, 514423, 548452, 548496, 548530, C07D20902, C07D20712, A61K 3140
Patent
active
050554832
ABSTRACT:
The invention relates to amino acid esters of the formula ##STR1## in which n=1 or 2, R, R.sup.1, R.sup.2 and R.sup.3 denote hydrogen or a defined radical, R.sup.4 together with R.sup.5 and the atoms carrying them form a heterocyclic ring system, processes for their preparation, agents containing them and their use.
Becker Reinhard
Hock Franz
Ruger Wolfgang
Urbach Hansjorg
Hoechst Aktiengesellschaft
Springer David B.
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