Tri- and Pentacalix[4]pyrroles: Synthesis, Characterization and Their Use in the Extraction of Halide Salts
作者:Abdullah Aydogan、Ahmet Akar
DOI:10.1002/chem.201101605
日期:2012.2.13
which was prepared through a condensation reaction of pyrrole and 7‐bromohept‐2‐one. Oligomeric calixpyrrole compounds were found to be capable of extracting tetrabutylammonium chloride and fluoride salts from aqueous media. Extraction abilities of the oligomeric compounds were monitored by NMR and UV/Vis spectroscopy and thermogravimetric analysis.
通过“点击化学”从相应的炔烃和叠氮化物官能化的杯[4]吡咯中合成基于杯形吡咯的低聚化合物。通过吡咯与丙酮和3-氧代4-氧戊酸丁酯的缩合反应制备具有炔烃官能团的杯[4]吡咯3。另一含炔基的杯[4]吡咯5是由处理4'-羟基苯基官能化的杯吡咯获得4与炔丙基溴。四(azidopentyl) -功能化的杯[4]吡咯7用NaN的反应而合成的3与tetrabromopentyltetraethylcalix [4]吡咯6,是通过吡咯和7-溴庚烷-2-酮的缩合反应制得的。发现低聚杯吡咯化合物能够从水性介质中提取氯化四丁基铵和氟化物盐。通过NMR和UV / Vis光谱法以及热重分析法监测低聚化合物的提取能力。