申请人:MONSANTO COMPANY
公开号:EP0057588A2
公开(公告)日:1982-08-11
N(halomethyl)acylamides of the formula
are prepared by reacting the corresponding N(alkoxymethyl) acylamides of the formula
with thionyl chloride or thionyl bromide in the presence of a Lewis Acid catalyst, where in the above formulae
X is hydrogen, halogen, a C1-6 alkyl or haloalkyl radical, a C3-7 cycloalkyl radical, a phenyl or benzyl radical or any of said radicals substituted with halogen, N02, CF3, C1-6 alkyl or alkoxy, phenyl or benzyl;
R is a C1-20 alkyl radical, an acyclic 1-alken-1-yl radical having up to 10 carbon atoms, a cycloalkyl or 1-cycloalken-1-yl radical having up to 7 carbon atoms, a phenyl radical or said cycloalkyl, 1-cyclo-alken-1-yl or phenyl radicals substituted with one or more C1-6 alkyl, alkoxy or alkoxyalkyl, C2-4 alkenyl or C3-4 alkenyloxy, N02 or trifluoromethyl radicals or halogen;
R1 is a hydrocarbyl radical having up to 10 carbon atoms or such radical substituted with halogen or C1-8 alkoxy or alkoxyalkyl groups and
R2 is a chloro or bromo atom.
式中的 N(卤代甲基)酰酰胺
式中相应的 N(烷氧基甲基)酰酰胺在路易斯酸催化剂存在下与亚硫酰氯或亚硫酰溴反应制备。
在路易斯酸催化剂存在下,与亚硫酰氯或亚硫酰溴反应制备,在上式中
X 是氢、卤素、C1-6 烷基或卤代烷基、C3-7 环烷基、苯基或苄基,或任何被卤素、N02、CF3、C1-6 烷基或烷氧基、苯基或苄基取代的上述基团;
R 是 C1-20 烷基、具有多达 10 个碳原子的无环 1-烯-1-基、具有多达 7 个碳原子的环烷基或 1-环烯-1-基、苯基或被一个或多个 C1-6 烷基、烷氧基或烷氧基烷基、C2-4 烯基或 C3-4 烯氧基、N02 或三氟甲基或卤素取代的环烷基、1-环烯-1-基或苯基;
R1 是具有多达 10 个碳原子的烃基或被卤素或 C1-8 烷氧基或烷氧烷基取代的烃基,以及
R2 是氯原子或溴原子。