C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 209/10 (2006.01) C07C 213/02 (2006.01)
Patent
CA 2608258
Disclosed are methods for making 1,3- and 1,4-diamino-phenyl intermediates by utilizing bis-amination of ortho-substituted aryl halides.
L'invention concerne des procédés de fabrication d'intermédiaires 1,3- et 1,4-diamino-phényles par bis-amination d'halogénures d'aryle ortho-substitués.
Frutos Rogelio P.
Gallou Isabelle
Krishnamurthy Dhileepkumar
Sun Xiufeng
Boehringer Ingelheim International Gmbh
Fetherstonhaugh & Co.
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