C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/474.6, 260/5
C07D 207/404 (2006.01) C07D 303/36 (2006.01) C08G 59/22 (2006.01) C08G 59/32 (2006.01) C08G 59/38 (2006.01) C08G 59/52 (2006.01) C08K 7/06 (2006.01) C08L 63/00 (2006.01) C08L 79/08 (2006.01)
Patent
CA 1249298
ABSTRACT OF THE DISCLOSURE N,N'-dimethyl aromatic diamines are prepared from the corresponding diprimary amines via a two step synthesis first the corresponding di-succinylimido methylamine and then reductively cleaving the succinylimido group. The products are useful, e.g., as epoxy curing agents. A typical N,N'-dimethyl aromatic diamine prepared by this process has the formula Image
460022
Kohli Dalip K.
Smart & Biggar
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