1610847-15-8Relevant articles and documents
New optically active Organo-soluble poly(amide-Imide)s from [N,N?-(4,4?- Diphtaloyl)-BIS-l-amino Diacid]s and 1,2-bis[4,4'-aminophenoxy] ethane: Synthesis and characterization
Feyzi, Akram,Faghihi, Khalil,Raeisi, Ahamd,Koushki, Maryam,Farahani, Mansoure
, p. 1884 - 1887 (2013)
Six new dicarboxylic acids 3a-f were synthesized by the reaction of 3,3?,4,4?-biphenyltetracarboxylic dianhydride (BPDA) 1 with L-amino acids 2a-f in a solution of glacial acetic acid/pyridine (Py) at refluxing temperature. Then six new optically active p