Title:
【発明の名称】2―シアノ―3―アミノアクリルニトリル誘導体の製法
Document Type and Number:
Japanese Patent JP2603328
Kind Code:
B2
Abstract:
Process for the preparation of 3-amino-2-cyanoacrylonitrile derivatives of the formula
in which R denotes substituted C1-C10-alkyl, optionally substituted styryl, optionally substituted phenyl or an aromatic heterocyclic radical, in which a nitrile is treated with an optionally substituted C1-C6-alkanol in the presence of hydrogen halide in an inert organic diluent at a temperature from 0 to +30 DEG C and the iminoester hydrohalide resulting from this treatment, optionally after its intermediate isolation, is reacted with malononitrile in the presence of a base in an inert organic diluent at a temperature of from 20 to 100 DEG C.
Inventors:
Ernst Schief Teek
Application Number:
JP2882989A
Publication Date:
April 23, 1997
Filing Date:
February 09, 1989
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
C07C253/00; C07C253/30; C07C255/30; C07C255/34; C07C255/41; C07C255/42; C07C255/43; C07C255/44; C07C273/18; C07C275/20; C07C275/28; C07C275/42; C07C303/40; C07C311/19; C07C311/37; C07C315/04; C07C317/48; C07C319/20; C07C323/63; C07C327/44; C07D207/27; C07D209/80; C07D209/88; C07D213/57; C07D237/14; C07D265/30; C07D295/155; C07C311/36; C07D207/26; (IPC1-7): C07C255/30; C07C253/30; C07C255/41; C07C255/42; C07C255/44; C07C273/18; C07C275/20; C07C303/40; C07C311/19; C07C311/37; C07C315/04; C07C317/48; C07C319/20; C07C323/63; C07D207/27; C07D209/88; C07D213/57; C07D237/14; C07D265/30
Domestic Patent References:
| JP5031043A | ||||
| JP5767545A | ||||
| JP61282350A | ||||
| JP485568B1 |
Attorney, Agent or Firm:
Toshio Yano (2 outside)