Facile Synthesis of Novel Optically Active Poly(amide-imide)s Derived from N,N-(Pyromellitoyl)-bis-L-alanine Diacid Chloride, Tetrahydropyrimidinone and Tetrahydro-2-thioxopyrimidine by Microwave-Assisted Polycondensation

K. Faghihi, N. Foroughifar and S. Mallakpour, Iranian Polym. J. 2004, 13(2), 93-99. Facile Synthesis of Novel Optically Active Poly(amide-imide)s Derived from N,N¢-(Pyromellitoyl)-bis-L-alanine Diacid Chloride, Tetrahydropyrimidinone and Tetrahydro-2-thioxopyrimidine by Microwave-Assisted Polycondensation.