Synthesis of New Optically Active Poly(amide-imide)s Derived from N,N'-(Pyromellitoyl)-bis-s-valine Diacid Chloride and Aromatic Diamines under Microwave Irradiation and Classical Heating

S. Mallakpour; and M. H. Shahmohammadi, Iranian Polym. J. 2005, 14, 473-483. Synthesis of New Optically Active Poly(amide-imide)s Derived from N,N'-(Pyromellitoyl)-bis-s-valine Diacid Chloride and Aromatic Diamines under Microwave Irradiation and Classical Heating.