in which R¹ is hydrogen, halo, alkyl, NO₂, CN, alkoxy, X is O, S, SO, SO₂ R² represents alkyl, haloalkyl, phenyl, naphthyl, pyridyl which may be optionally substiutiert; the radical -X-R can also be common with the sam R³ an alkylenedioxy - (- O-Alk-O), Halogenalkylendioxy-, oxyalkylene-oxyalkylene - (- O-Alk-O-Alk-), Oxyhalogenalkylen-oxyhalogenalkylen Bridge form; R³ and R⁴ are independently hydrogen, halogen, CN, OH, NO₂, amino, mono- or dialkylamino alkyl, haloalkyl, aralkyl, aryl which may be optionally substituted are for controlling parasitic helminths.; The present invention further relates to novel 3-carbamoyl-4-hydroxycoumarins and methods for their preparation."/>
Use of 3-carbamoyl-4-hydroxy-cumarines in combating parasiticidal helminths, 3-carbamoyl-4-hydroxy-cumarines and their preparation
The present invention relates to the use of 3-carbamoyl-4-hydroxycoumarins of the general formula I in which R¹ is hydrogen, halo, alkyl, NO₂, CN, alkoxy, X is O, S, SO, SO₂ R² represents alkyl, haloalkyl, phenyl, naphthyl, pyridyl which may be optionally substiutiert; the radical -X-R can also be common with the sam R³ an alkylenedioxy - (- O-Alk-O), Halogenalkylendioxy-, oxyalkylene-oxyalkylene - (- O-Alk-O-Alk-), Oxyhalogenalkylen-oxyhalogenalkylen Bridge form; R³ and R⁴ are independently hydrogen, halogen, CN, OH, NO₂, amino, mono- or dialkylamino alkyl, haloalkyl, aralkyl, aryl which may be optionally substituted are for controlling parasitic helminths.; The present invention further relates to novel 3-carbamoyl-4-hydroxycoumarins and methods for their preparation.
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机译：本发明涉及具有通式I的3-氨基甲酰基-4-羟基香豆素的用途，其中R 1是氢，卤素，烷基，NO 2，CN，烷氧基，X是O，S。 ，SO，SO 2 R 2代表烷基，卤代烷基，苯基，萘基，吡啶基，它们可以任选地被取代; -X-R基团也可以与Sam R 3的亚烷基二氧基-（-O-Alk-O），卤代烷基二氧基-，氧化烯-氧化烯-（-O-Alk-O-Alk-），氧卤代亚烷基-氧卤代亚烷基桥式相同。 R 3和R 5独立地是氢，卤素，CN，OH，NO 2，氨基，单或二烷基氨基烷基，卤代烷基，芳烷基，可以被取代的芳基，用于控制寄生虫的蠕虫。本发明进一步涉及新颖的3-氨基甲酰基-4-羟基香豆素及其制备方法。
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