Novel optically active 2D materials based on λ-zirconium phosphate and chiral monocarboxylic acids: Synthesis and characterization
作者:Hussein Alhendawi、Ernesto Brunet、Elena Rodríguez Payán、Huda Alkahlout
DOI:10.1007/s10847-021-01043-z
日期:2021.4
Five novel chiral 2D materials with general formula λ-ZrPO4(OH)1-x(RCOO)x(dmso) have been prepared by covalent anchoring of five different chiral carboxylic acids to the sheets of λ-zirconium phosphate (λ-ZrP), namely (S)-(+)-Mandelic acid (MAN), (R)-(−)-α-Methoxyphenylacetic acid (MPA), (S)-(+)-Ibuprofen (IBU), (S)-(+)-6-Methoxy-α-methyl-2-naphthaleneacetic acid (MMN) and (−)-Menthyloxyacetic acid
五个新型手性2D材料与通式λ-ZrPO 4(OH)1-x(RCOO)X(DMSO)制备了五种不同的手性羧酸的共价锚定到磷酸盐λ-锆的片(λ-的ZrP) ,即(S)-(+)-扁桃酸(MAN),(R)-(-)-α-甲氧基苯基乙酸(MPA),(S)-(+)-布洛芬(IBU),(S)-( +)-6-甲氧基-α-甲基-2-萘乙酸(MMN)和(-)-甲氧基氧乙酸(MEN)。合成的材料通过X射线衍射法,FT-IR分光光度法,元素和热重分析以及偏光法进行表征。X射线衍射图表明,由于在层间通道中引入了上述酸,层间间隔从1.02 nm(纯λ-ZrP)增加到1.31-2.31 nm。旋光测定法表明,合成的材料具有明显的光学活性,表明它们在手性分离技术领域中可能具有初步的应用。