Synthesis, IR and NMR characterization and ion extraction properties of tetranonylcalix[4]resorcinol bearing acetylhydrazone groups
作者:Sergey N. Podyachev、Nadezda E. Burmakina、Viktor V. Syakaev、Svetlana N. Sudakova、Roald R. Shagidullin、Alexander I. Konovalov
DOI:10.1016/j.tet.2008.10.008
日期:2009.1
resorcinol analogues have been determined by NMR-measurements. The complexing behaviour of bis- and octahydrazones has been studied by liquid–liquid extraction towards the s-metal ions (Li+, Na+, K+, Cs+ and Ca2+), p-metal ions (Pb2+), d-metal ions (Co2+, Ni2+, Cu2+, Zn2+, Cd2+ and Hg2+) and f-metal ions (La3+, Gd3+ and Lu3+). The stoichiometry of complexes and the extraction constants have been determined
合成了一系列新的杯[4]间苯二酚芳烃(rccc-异构体)和由乙酰hydr结合片段官能化的间苯二酚。报告了的IR和NMR数据以及立体化学行为,并将其与早期研究的结果进行了比较。cal- [4]间苯二芳烃的八or衍生物及其间苯二酚类似物的fragments片段旋转障碍已通过NMR测定。通过液-液萃取对s-金属离子(Li +,Na +,K +,Cs +和Ca 2 +),p-金属离子(Pb 2+)进行了研究,研究了双hydr和八hydr的络合行为。d-金属离子(Co 2+,Ni 2 +,Cu 2 +,Zn 2 +,Cd 2+和Hg 2+)和f-金属离子(La 3+,Gd 3+和Lu 3+)。已经确定了配合物的化学计量和萃取常数。现已确定,八hydr酮不会提取碱金属阳离子,但对过渡金属和软质重金属阳离子(尤其是Hg 2+或Pb 2+)显示出极好的选择性。