EP 0259362 A1 19880316 - PREPARATION OF 3-DIMETHYLAMINO-7-METHYL-1,2,4-BENZOTRIAZINE-1-OXIDE AND AZAPROPAZONE.
Title (en)
PREPARATION OF 3-DIMETHYLAMINO-7-METHYL-1,2,4-BENZOTRIAZINE-1-OXIDE AND AZAPROPAZONE.
Title (de)
HERSTELLUNG VON 3-DIMETHYLAMINO-7-METHYL-1,2,4-BENZOTRIAZIN-1-OXID UND AZAPROPAZON.
Title (fr)
PREPARATION DE 3-DIMETHYLAMINO-7-METHYL-1,2,4-BENZOTRIAZINE-1-OXYDE ET D'AZAPROPAZONE.
Publication
Application
Priority
GB 8602038 A 19860128
Abstract (en)
[origin: WO8704432A1] Process for the preparation of benzotriazine oxide from 1-chloro-2-nitro-4-methyl-benzene and monosodium cyanamide, via a guanidinyl compound which is then cyclized. Azapropazone is then made from the benzotriazine oxide produced by the novel process.
Abstract (fr)
Procédé de préparation d'oxyde de benzotriazine à partir de 1-chloro-2-nitro-4-méthylbenzène et de cyanamide monosodique, via un composé de guanidinyle qui est ensuite rendu cyclique. De l'azapropazone est ensuite obtenu à partir de l'oxide de benzotriazine produit par ce nouveau procédé.
IPC 1-7
IPC 8 full level
C07B 61/00 (2006.01); C07D 253/08 (2006.01); C07D 253/10 (2006.01); C07D 487/00 (2006.01); C07D 487/04 (2006.01)
CPC (source: EP)
C07D 253/10 (2013.01); C07D 487/04 (2013.01)
Citation (search report)
See references of WO 8704432A1
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
WO 8704432 A1 19870730; DK 510387 A 19870928; DK 510387 D0 19870928; EP 0259362 A1 19880316; FI 874249 A0 19870928; FI 874249 A 19870928; GB 8602038 D0 19860305; JP S63502431 A 19880914
DOCDB simple family (application)
GB 8700055 W 19870128; DK 510387 A 19870928; EP 87900865 A 19870128; FI 874249 A 19870928; GB 8602038 A 19860128; JP 50089687 A 19870128