4-Amino-5-thione-1,2,4-triazines
    52.
    发明授权
    4-Amino-5-thione-1,2,4-triazines 失效
    4-氨基-5-硫酮-1,2,4-三嗪

    公开(公告)号:US4058525A

    公开(公告)日:1977-11-15

    申请号:US670911

    申请日:1976-03-26

    摘要: The invention provides new 4-amino-5-thione-1,2,4-triazine (4,5-H) of the formula ##STR1## in which R is alkyl of up to 8 carbon atoms, cycloalkyl of from 5 to 7 carbon atoms, cycloalkenyl of from 5 to 7 carbon atoms, phenyl, which can optionally be mono-substituted or polysubstituted by halogen, or alkoxyalkyl of from 1 to 4 carbon atoms per alkyl and alkoxy moiety, andR' is hydrogen or alkyl of up to 4 carbon atoms;Which are outstandingly effective as herbicides, particularly as selective herbicides.

    摘要翻译: 本发明提供了新颖的式(IMAGE)的4-氨基-5-硫酮-1,2,4-三嗪(4,5-H),其中R是至多8个碳原子的烷基,5至7个的环烷基 碳原子,5至7个碳原子的环烯基,苯基,其可以任选被卤素单取代或多取代,或每个烷基和烷氧基部分具有1至4个碳原子的烷氧基烷基,R'是氢或烷基 至4个碳原子; 作为除草剂特别有效,特别是选择性除草剂。

    Preparation of substituted (cyclo)alkanecarboxylic acid
.alpha.-cyano-3-phenoxy-benzyl esters
    60.
    发明授权
    Preparation of substituted (cyclo)alkanecarboxylic acid .alpha.-cyano-3-phenoxy-benzyl esters 失效
    取代(环)链烷羧酸α-氰基-3-苯氧基 - 苄基酯的制备

    公开(公告)号:US4350640A

    公开(公告)日:1982-09-21

    申请号:US173545

    申请日:1980-07-30

    CPC分类号: C07C255/00

    摘要: A process for the preparation of a substituted (cyclo) alkanecarboxylic acid .alpha.-cyano-3-phenoxy-benzyl ester of the formula ##STR1## in which R is alkyl or cycloalkyl optionally substituted by halogen, alkyl, cycloalkyl, alkenyl (which is optionally substituted by halogen and/or alkoxy), styryl (which is optionally substituted by halogen, and/or optionally halogen-substituted alkyl, alkoxy, alkylenedioxy and alkylthio radicals), spirocyclically linked, optionally halogen-substituted cycloalk(en)yl (which is optionally benzo-fused) or optionally substituted phenyl andR.sup.5 and R.sup.6 each independently is hydrogen or halogen, comprising adding an aqueous solution or suspension of at least an equimolar amount of a water-soluble cyanide to a mixture of an alkanecarboxylic acid chloride of the formulaR--CO--Cland a 3-phenoxy-benzaldehyde of the formula ##STR2## in a hydrocarbon solvent which is virtually immiscible with water at a temperature between about 0.degree. and 80.degree. C.

    摘要翻译: 制备式(IMAGE)的取代的(环)链烷羧酸α-氰基-3-苯氧基苄基酯的方法,其中R是任选被卤素,烷基,环烷基,烯基(其是任选地被 被卤素和/或烷氧基取代),苯乙烯基(其任选被卤素取代,和/或任选被卤素取代的烷基,烷氧基,亚烷基二氧基和烷硫基),螺环环烷基,任选被卤素取代的环烷基(烯) 任选地苯并稠合的)或任选取代的苯基,R 5和R 6各自独立地是氢或卤素,包括将至少等摩尔量的水溶性氰化物的水溶液或悬浮液加入到下式的链烷酰氯的混合物中 R-CO-Cl和式“IMAGE”的3-苯氧基 - 苯甲醛在烃溶剂中,其在约0℃至80℃的温度下几乎与水不混溶。