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US 4,069,325 AGranted
3-Carbalkoxyamino-1H-2,1,4-benzothiadiazine derivatives
AssigneeHoechst Aktiengesellschaft
InventorsHeinz Loewe, Josef Urbanietz, Dieter Duwel, Reinhard Kirsch
Life of this patent
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Abstract
3-Carbalkoxyamino-1H-2,1,4-benzothiadiazine derivatives are disclosed as well as a process for their manufacture. The compounds are suitable for combatting helminths and especially gastrointestinal Strongylides and liver flukes.
Claims7
A compound of the formula ##STR5## wherein R.sub.1 is alkyl having 1 to 4 carbon atoms;
- R.sub.2 and R.sub.3 are the same or different and are each hydrogen, alkoxy having 1 to 4 carbon atoms, halogen, trifluoromethyl, alkyl having 1 to 4 carbon atoms, or cyano;
- R.sub.4 is hydrogen, alkanoyl having 2 to 4 carbon atoms, or benzoyl;
- n is 0 or 1:
- and X is --O--SO.sub.2 --or --SO.sub.2 --O--.
1 more element
3-Carbomethoxyamino-7-(1H-2,1,4-benzothiadiazine)sulfonic acid-phenylester.
3-Carbomethoxyamino-7-(1H-2,1,4-benzothiadiazine)sulfonic acid-3-trifluoromethyl-phenylester.
3-Carbomethoxyamino-7-(3-trifluor omethyl-phenylsulfonyloxy)-1H-2,1,4-benzothiadiazine.
Dependencies are inferred from the claim text.