New optically active poly（amide-imide）s derived from N, N′-（4,4-diphthaloyl）-bis-L-leucine and hyda

• 作 者: Khalil Faghihi
• 机 构: PolymerChemistryResearchLaboratory
• 出 处: 中国化学快报：英文版
• 发表日期: 2009年10期
• 关键词: 光学活性 反应合成 脲衍生物 亮氨酸 亚胺 酰胺 性能 红外光谱表征 High performance polymers Poly（amide-imide）s

<正>Six new optically active poly(amide-imide)s(5a-f) were synthesized through the direct polycondensation reaction of N,N'-(4,4'- diphthaloyl)-bis-L-leucine(3) with six hydantoin derivatives(4a-f).Triphenyl phosphite(TPP)/pyridine in the pre