申请人:Arax Co., Ltd.
公开号:US05733922A1
公开(公告)日:1998-03-31
An imidazole derivative represented by one of formulas (1), wherein R.sub.1, R.sub.2 represents hydrogen atom, lower alkyl, aryl, aralkyl group, or R.sub.1 and R.sub.2 cooperate to represent alkylene, alkylidene, arylalkylidene group, R.sub.3 representing hydrogen atom, lower alkyl or alkanoyl group, or aralkyl or arylcarbonyl group, wherein at least one of A and B represents a group represented by formula (2), wherein m represents an integer 1-4, R.sub.4 representing nitrogen-containing aromatic ring that may be substituted by lower alkyl, alkoxy or alkanoyl group, or phenyl group represented by formula (3), R.sub.5, R.sub.6 representing hydrogen atom, lower alkyl or alkenyl group, or lower alkanoyl or arylcarbonyl group which may be substituted by a halogen atom, R.sub.7 representing hydrogen or halogen atom, hydroxyl or nitro group, or lower alkyl or alkoxy group, wherein the other of A and B represents oxygen or sulfur atom, hydroxyl, mercapto, alkylthio, alkenylthio or aralkylthio group, or group represented by the formula (2), ##STR1##
一个由以下公式之一表示的咪唑衍生物,其中R.sub.1,R.sub.2代表氢原子,较低的烷基,芳基,芳基烷基,或R.sub.1和R.sub.2合作表示烷基,烷基亚基,芳基烷基亚基,R.sub.3代表氢原子,较低的烷基或烷酰基,或芳基烷基或芳基羰基,其中A和B中的至少一个表示由公式(2)表示的基团,其中m代表整数1-4,R.sub.4代表可能被较低的烷基,烷氧基或烷酰基取代的含氮芳环,或由公式(3)表示的苯基,R.sub.5,R.sub.6代表氢原子,较低的烷基或烯基基团,或可能被卤原子取代的较低的烷酰基或芳基羰基,R.sub.7代表氢或卤原子,羟基或硝基基团,或较低的烷基或烷氧基,其中A和B中的另一个代表氧或硫原子,羟基,巯基,烷硫基,烯基硫基或芳基硫基,或由以下公式表示的基团:
##STR1##