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    • 67. 发明授权
    • Benzyloxy vinyl ethers
    • 苄氧基乙烯基醚
    • US4954582A
    • 1990-09-04
    • US404468
    • 1989-09-08
    • Kou-Chang LiuPaul D. Taylor
    • Kou-Chang LiuPaul D. Taylor
    • C07C43/23C08F16/32
    • C08F16/32C07C43/23
    • The invention relates to benzyloxy vinyl ethers having the structure ##STR1## wherein R.sub.1 is lower alkyl;p is an integer having a value of from 0 to 2;q is an integer having a value of from 1 to 20;r is an integer having a value of from 1 to 6;n is an integer having a value of from 0 to 20;m is an integer having a value of from 0 to 1;Y is sulfur or oxygen;X is hydrogen or methyl andR and R.sub.2 are each independently a radical having from 2 to 20 carbon atoms and are selected from the group of alkylene, arylene, aralkenylene and alkarylene optionally substituted with lower alkyl.The invention also relates to the process for preparing the above multifunctional benzyloxy vinyl ethers.
    • 本发明涉及具有以下结构的苄氧基乙烯基醚:其中R 1为低级烷基; p是0至2的整数; q是1至20的整数; r为1〜6的整数, n是0至20的整数; m是0至1的整数; Y是硫或氧; X是氢或甲基,R和R 2各自独立地是具有2至20个碳原子的基团,并且选自任选被低级烷基取代的亚烷基,亚芳基,亚链烯基和亚烷芳基。 本发明还涉及制备上述多官能苄氧基乙烯基醚的方法。
    • 69. 发明授权
    • Substituted diphenyl ether herbicides and process for use
    • US4429146A
    • 1984-01-31
    • US368558
    • 1982-04-15
    • Kou-Chang Liu
    • Kou-Chang Liu
    • A01N37/48A01N41/06C07C205/59C07C79/46
    • C07C205/59A01N37/48A01N41/06
    • This invention relates to substituted diphenyl ethers having selective herbicidal properties and having the formula: ##STR1## wherein R is a saturated or unsaturated, straight chain or branched aliphatic hydrocarbon radical of from 1 to 18 carbon atoms wherein one or more of the --CH.sub.2 -- groups can be replaced with --O--, --S--, --S--S--, --SO--, --SO.sub.2 -- or --NR.sub.2 -- and said hydrocarbon radical is optionally substituted with halogen, trihalomethyl, cyano, aryl, hydroxy, alkoxy, nitro or cycloalkyl having 3 to 6 carbon atoms;R.sub.1 is ##STR2## R.sub.3 is ##STR3## R.sub.2 is hydrogen or a saturated or unsaturated straight or branched chain aliphatic radical having from 1 to 8 carbon atoms, optionally substituted with halogen, hydroxy, alkoxy, cyano or nitro;R.sub.4 and R.sub.5 are independently a saturated or unsaturated, straight or branched chain aliphatic radical having 1 to 8 carbon atoms optionally substituted with halogen, trihalomethyl, alkoxy or cyano; hydrogen or phenyl optionally substituted with halogen, alkyl, alkoxy, trihalomethyl, nitro or cyano;R.sub.6 is a saturated or unsaturated straight chain or branched aliphatic radical containing from 1 to 8 carbon atoms, optionally substituted with halogen, trihalomethyl, cyano, hydroxy, nitro, acetoxy, alkoxy, thioalkoxy or aryl; an aryl radical optionally substituted with halogen, trihalomethyl, hydroxy, cyano, nitro, alkyl or alkoxy; a cyclic 3-6 membered ring alkylene or 5-6 membered ring alkenylene or benzyl optionally substituted with halogen, trihalomethyl, alkyl, hydroxy, alkoxy or cyano;R.sub.7 is an alkylene diradical having from 1 to 6 carbon atoms;X and X' are each independently --O--, --S-- or --NR.sub.2 --L, M and N are each independently hydrogen, hydroxy, halogen, trihalomethyl, nitro, cyano, alkyl or alkoxy having from 1 to 4 carbon atoms and ##STR4## m has a value of from 1 to 6 and n in each instance has a value of from 0 to 1.