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    • 2. 发明授权
    • Oxalyl hydrazide-hydroxamic acid derivatives, their preparation and
their use as fungicides
    • 草酰肼 - 异羟肟酸衍生物,其制备及其作为杀真菌剂的用途
    • US5399589A
    • 1995-03-21
    • US158392
    • 1993-11-29
    • Costin RentzeaAlbrecht HarreusEberhard AmmermannGisela Lorenz
    • Costin RentzeaAlbrecht HarreusEberhard AmmermannGisela Lorenz
    • A01N37/30C07C259/06A01N37/18C07C243/24
    • C07C259/06A01N37/30C07C2101/08C07C2101/14
    • Oxalyl hydrazide-hydroxamic acid derivatives of the formula I ##STR1## where the substituents have the following meanings: R, R.sup.1, R.sup.2 and R.sup.3 independently of one another arehydrogen, substituted or unsubstituted alkyl, alkenyl or alkynyl orsubstituted or unsubstituted cycloalkyl or cycloalkylmethyl,substituted or unsubstituted cycloalkenyl or cycloalkenylmethyl,substituted or unsubstituted phenyl, phenylalkyl, phenylalkenyl, hetaryl- or hetarylalkyl radicals, where R.sup.2 and R.sup.3 may also. together with the nitrogen atom whose substituents they are, form a 5- or 6-membered ring, orR.sup.2 together with R.sup.3 is the group ##STR2## where R.sup.4 and R.sup.5 are one of the radicals R, R.sup.1, R.sup.2 or R.sup.3, or R.sup.4 together with R.sup.5 and the carbon atom whose substituents they are, are monocyclic or polycyclic cycloalkyl, orR.sup.4 together with R.sup.5 and the carbon atom whose substituents they are, form a 5- or 6-membered, saturated heterocycle containing O, S or --N(R.sup.6)-- as a hetero group, and fungicides containing these active ingredients.
    • 式I的草酰肼 - 异羟肟酸衍生物其中取代基具有以下含义:R 1,R 2,R 2和R 3彼此独立地是氢,取代或未取代的烷基,烯基或炔基或取代或未取代的环烷基或 环烷基甲基,取代或未取代的环烯基或环烯基甲基,取代或未取代的苯基,苯基烷基,苯基链烯基,杂芳基或杂芳基烷基,其中R2和R3也可以。 与其取代基一起形成5-或6-元环的氮原子,或与R 3一起为R 3的基团为其中R 4和R 5为基团R,R 1,R 2或R 3或R 4之一的基团 与R5及其取代基的碳原子一起为单环或多环环烷基,或者R4与R5及其取代基的碳原子一起形成含有O,S或-N的5或6元饱和杂环 (R6) - 作为杂基,和含有这些活性成分的杀真菌剂。