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method for the preparation of fenylderivaten, this fenylderivaten containing verdelgingsmidde len for lepidopteren and coleopteren,and their application for the control of lepidopteren and coleopteren.
method for the preparation of fenylderivaten, this fenylderivaten containing verdelgingsmidde len for lepidopteren and coleopteren,and their application for the control of lepidopteren and coleopteren.
1462574 3,4-(Methylenedioxy)phenyl ethers F HOFFMANN-LA ROCHE & CO AG 16 June 1975 [17 June 1974] 25544/75 Heading C2C [Also in Division A5] The invention comprises compounds of Formula I where R 1 is propyl, butyl or isobutyl, R 2 is methyl or ethyl, A and B together represent an additional bond or an oxygen bridge, and C and D each represent hydrogen or together form an additional bond, with the proviso (in the per se claims) that when R 1 is isobutyl and R 2 is methyl, C and D each represent hydrogen. Compounds of Formula I are prepared (a) by reacting a compound of formula with a compound of formula where Z is chlorine, bromine, iodine or a tosyloxy or mesyloxy group and M is an alkali or alkaline earth metal; (b) by hydrogenating a compound of Formula I in which A and B together represent an oxygen bridge and C and D together represent an additional bond; or (c) epoxidizing a compound of Formula I in which A and B together represent an additional bond. The preparation is described of starting materials of Formula II in which A and B represent together an additional bond. The compounds of the invention are pesticides.
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机译：1462574 3,4-（亚甲基二氧基）苯醚HOFFMANN-LA ROCHE＆CO AG 1975年6月16日[1974年6月17日]标题C2C [也在A5分部中]本发明包含式I的化合物，其中R 1为丙基，丁基或异丁基，R 2是甲基或乙基，A和B一起代表一个附加键或一个氧桥，并且C和D各自代表氢或一起形成一个附加键，但条件是（本身具有权利要求） R 1为异丁基，R 2为甲基，C和D分别表示氢。式（Ⅰ）化合物是通过使式（Ⅰ）化合物与式（Z）为氯，溴，碘或对甲苯氧基或甲磺酰氧基而M为碱金属或碱土金属的化合物反应制备的。 （b）通过氢化其中A和B一起代表氧桥而C和D一起代表附加键的式I化合物; （c）环氧化其中A和B一起代表附加键的式I化合物。描述了式II起始原料的制备，其中A和B一起代表另外的键。本发明的化合物是农药。
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