C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 253/06 (2006.01) C07C 251/30 (2006.01) C07C 255/61 (2006.01) C07C 257/14 (2006.01) C07C 281/18 (2006.01) C07C 291/02 (2006.01) C07D 253/075 (2006.01)
Patent
CA 2417435
The present invention relates to a method for producing 3,5-diamino-6-(2,3- dichlorophenyl)-1,2,4-triazine (lamotrigine) by cyclization reaction from .alpha.-oxo-2,3- dichlorophenylacetamidino-aminoguanidino-hydrazone.
L'invention concerne un procédé de fabrication de 3,5-diamino-6(2,3-dichlorphényl)-1,2,4-triazine (lamotrigine) par réaction avec fermeture du cycle, à partir de alpha -oxo-2,3-dichlorphénylacétamidino-aminoguanidino-hydrazone.
Garaczi Sandor
Gego Csaba Lehel
Lukacs Ferenc
Mate Attila Gergely
Nyerges Miklos
Cf Pharma Gyogyszergyarto Kft.
Goudreau Gage Dubuc
Helm Ag
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