申请人:Celamerck GmbH & Co. KG
公开号:US04364875A1
公开(公告)日:1982-12-21
The method of preparing a compound of the formula ##STR1## wherein R.sub.1 is hydrogen, halogen, alkyl of 1 to 8 carbon atoms, trifluoromethyl or acetyl; n is 1 when R.sub.1 has all the defined meanings, or 2 or 3 when R.sub.1 is halogen or alkyl; R.sub.2 is hydrogen; alkyl of 1 to 16 carbon atoms; alkenyl of 2 to 16 carbon atoms; alkinyl of 2 to 16 carbon atoms; monosubstituted alkyl of 2 to 6 carbon atoms, where the substituent is hydroxyl, alkoxy of 1 to 4 carbon atoms, phenoxy, halo-phenoxy, (alkyl of 1 to 4 carbon atoms) phenoxy, (alkoxy of 1 to 4 carbon atoms)phenoxy, nitro-phenoxy, cyano-phenoxy, amino or (alkyl of 1 to 4 carbon atoms)thio; benzyl; halo-benzyl; --NR.sub.3 R.sub.4 ; --CHR.sub.3 --COOR.sub.4 ; or --CHR.sub.3 --CONR.sub.4 R.sub.5, where R.sub.3, R.sub.4 and R.sub.5 are each hydrogen or alkyl of 1 to 8 carbon atoms; and X.sub.1 and X.sub.2 are each hydrogen or halogen, which comprises reacting a compound of the formula ##STR2## wherein n, R.sub.1, X.sub.1 and X.sub.2 have the meanings previously defined, and R.sub.1 is unsubstituted or substituted phenyl, with an amine of the formula H.sub.2 N--R.sub.2 wherein R.sub.2 has the meanings previously defined, at a temperature between about 20.degree. and 160.degree. C.
制备化合物的方法,其化学式为##STR1##其中R.sub.1为氢、卤素、1至8个碳原子的烷基、三氟甲基或乙酰基;当R.sub.1具有所有定义的含义时,n为1,或者当R.sub.1为卤素或烷基时,n为2或3;R.sub.2为氢;1至16个碳原子的烷基;2至16个碳原子的烯基;2至16个碳原子的炔基;2至6个碳原子的单取代烷基,其中取代基为羟基、1至4个碳原子的烷氧基、苯氧基、卤代苯氧基、(1至4个碳原子的烷基)苯氧基、(1至4个碳原子的烷氧基)苯氧基、硝基苯氧基、氰基苯氧基、氨基或(1至4个碳原子的烷基)硫醚基;苄基;卤代苄基;--NR.sub.3 R.sub.4;--CHR.sub.3 --COOR.sub.4;或--CHR.sub.3 --CONR.sub.4 R.sub.5,其中R.sub.3、R.sub.4和R.sub.5均为氢或1至8个碳原子的烷基;X.sub.1和X.sub.2均为氢或卤素。该方法包括将化学式为##STR2##的化合物,其中n、R.sub.1、X.sub.1和X.sub.2具有先前定义的含义,且R.sub.1为未取代或取代苯基,与化学式为H.sub.2 N--R.sub.2的胺反应,其中R.sub.2具有先前定义的含义,反应温度在大约20°C至160°C之间。