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    • 1. 发明授权
    • N-substituted .beta.-aminocrotonic acid esters
    • US4027037A
    • 1977-05-31
    • US557698
    • 1975-03-12
    • Peter SiegleKlaus SassePeter Rossler
    • Peter SiegleKlaus SassePeter Rossler
    • A01N37/44A01N43/46C07C67/00C07C227/08C07C229/30C07C313/00C07C323/17C07C323/25C07C323/30C07D223/04C07D295/145C07C101/28A01N9/20
    • C07D295/145A01N37/44
    • N-substituted .beta.-aminocrotonic acid esters of the formula ##STR1## in which R.sup.1 is hydrogen, or alkyl or alkenyl with up to 4 carbon atoms;R.sup.2 is straight-chain or branched alkyl or alkenyl with up to 9 carbon atoms, optionally interrupted by O or S, and optionally substituted by halogen, phenoxy, dimethylamino, cyclic alkyl or alkenyl with up to 8 carbon atoms which are optionally substituted by halogen, dimethylamino, or alkyl, alkoxy or alkylthio with up to 4 carbon atoms, phenyl which is optionally substituted by halogen, dimethylamino, phenoxy, or alkyl, alkenyl, acyl, alkoxy, alkenoxy or alkynoxy containing up to 4 carbon atoms, or a 5- or 6-membered heterocyclic ring containing at least one O, S or N hetero-atom and optionally substituted by halogen, alkyl or alkoxy containing up to 4 carbon atoms or R.sub.2 is further more cyclic alkyl or alkenyl with up to 8 carbon atoms optionally substituted by halogen, dimethylamino, or alkyl, alkoxy or alkylthio with up to 4 carbon atoms; phenyl optionally substituted by halogen, dimethylamino, phenoxy, or alkyl, alkenyl, acyl, alkoxy, alkenoxy or alkynoxy containing up to 4 carbon atoms; or a 5- or 6-membered heterocyclic ring containing at least one O, S or N heteroatom and optionally substituted by halogen, or alkyl or alkoxy containing up to 4 carbon atoms; orR.sup.1 and R.sup.2 together with the adjoining nitrogen atom form a heterocyclic structure optionally substituted by lower alkyl with 1-4 carbon atoms and optionally containing further heteroatoms in addition to nitrogen, andR.sup.3 is straight-chain or branched alkyl, alkenyl or alkynyl each with up to 10 carbon atoms, or cyclic alkyl or alkenyl with up to 8 carbon atoms, optionally substituted by halogen, alkoxy or alkyl-thio containing up to 4 carbon atoms, phenyl, 3,4-methylenedioxyphenyl, cyclic alkyl or alkenyl with up to 8 carbon atoms; phenyl optionally substituted by dioxymethylene or alkyl, alkenyl, alkynyl, alkoxy, alkenoxy, alkynoxy or acyl containing up to 4 carbon atoms; or a heterocyclic ring containing up to 6 atoms of which at least one is O, N or S, which ring is optionally bonded via alkyl containing up to 4 carbon atoms,Which inhibit the metamorphosis of arthropods.