Fungicidal piperidine derivatives
    53.
    发明授权
    Fungicidal piperidine derivatives 失效
    杀真菌哌啶衍生物

    公开(公告)号:US4673683A

    公开(公告)日:1987-06-16

    申请号:US772714

    申请日:1985-09-05

    摘要: R.sup.2 and R.sup.3 are hydrogen or alkyl,R.sup.4 is hydrogen, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, unsubstituted or substituted aralkyl, COR.sup.5, CO.sub.2 R.sup.6 or CONR.sup.7 R.sup.8,R.sup.5 and R.sup.6 are alkyl, unsubstituted or substituted aryl or unsubstituted or substituted aralkyl,R.sup.7 and R.sup.8 are hydrogen, alkyl, unsubstituted or substituted aryl or unsubstituted or substituted aralkyl andn is 0, 1, 2 or 3,and its plant-tolerated acid addition salts, excluding the compounds where, simultaneously, R.sup.4 is hydrogen, acetyl or propionyl, n is 0 or 1 and R.sup.1, R.sup.2 and R.sup.3 are hydrogen, and fungicides containing the novel piperidines and salts.

    摘要翻译: 其中R1是氢,烷基或卤素,R2和R3是氢或烷基,R4是氢,烷基,烯基,炔基,卤代烷基,卤代烯基,未取代的或取代的芳烷基,COR5,CO2R6或CONR7R8,R5和R6是烷基 ,未取代或取代的芳基或未取代或取代的芳烷基,R 7和R 8为氢,烷基,未取代或取代的芳基或未取代或取代的芳烷基,n为0,1,2或3及其植物耐受酸加成盐, 其中R4同时为氢,乙酰基或丙酰基,n为0或1,R1,R2和R3为氢的化合物,以及含有新颖的哌啶类和盐类的杀真菌剂。

    Preparation of alkenols
    57.
    发明授权
    Preparation of alkenols 失效
    烯醇的制备

    公开(公告)号:US5395993A

    公开(公告)日:1995-03-07

    申请号:US191715

    申请日:1994-02-04

    CPC分类号: C07C29/44

    摘要: A process for preparing alkenols of the formula IR.sup.1 --CH.dbd.CH(CH.sub.2).sub.n OH Iwhere R.sup.1 is hydrogen or a hydrocarbon radical, and n is an integer from 3 to 15,a) by reacting a phosphonium salt of the formula IIaR.sup.1 --CH.sub.2 --P.sup.+ (C.sub.6 H.sub.5).sub.3 X.sup.-IIa where X is chlorine, bromine or iodine, with an aldehyde of the formula IIIa or its hemiacetal of the formula IIIb ##STR1## or b) by reacting a phosphonium salt of the formula IIb(C.sub.6 H.sub.5).sub.3 P.sup.+ (CH.sub.2).sub.n+1 OH X.sup.-IIb with a aldehyde of the formula IVR.sup.1 CHO IV in a solvent in the presence of a base, wherein the base is the alkali metal salt of an alcohol and the solvent is an alcohol.

    摘要翻译: 制备式I R 1 -CH = CH(CH 2)n OH的链烯醇的方法,其中R 1是氢或烃基,n是3至15的整数,a)通过使式IIa R1- 其中X是氯,溴或碘,与式IIIa的醛或其式IIIb的半缩醛式(IIb)(C 6 H 5)3 P +(CH 2)n + 1OH X-IIb与式IV R 1 CHOIV的醛在溶剂中在碱的存在下反应,其中碱是醇的碱金属盐,溶剂是醇。