A new class of efficient 4-[(nitro substituted-phenyl)-hydrazonomethyl]-1-phenyl-1H-pyrazole-3-carboxylate derived colorimetric chemosensor for selective sensing of fluoride and other biologically important anions
作者:SUMAN SWAMI、ARUNAVA AGARWALA、BABITA MALIK、RAHUL SHRIVASTAVA
DOI:10.1007/s12039-016-1142-9
日期:2016.9
xylate derivatives showed selective sensing of fluoride ions in preference to Cl−, Br−, I−, PF6 −, HSO4 −, ClO4 −, CH3COO− and H2PO4 − ions while 4-[2,4-dinitro-phenyl)-hydrazonomethyl]-1-phenyl-1H-pyrazole-3-carboxylate derivatives showed sensing of acetate, dihydrogen phosphate ion and fluoride ion in organic media. A new class of efficient colorimetric chemosensors derived from 4-[(nitro substi
合成和表征了由4-[((硝基取代-苯基)-肼基甲基] -1-苯基-1H-吡唑-3-羧酸盐)衍生的新型高效比色化学传感器。当与氟离子相互作用时,合成的受体表现出从黄色到深紫色的立即颜色变化以及显着的红移。的紫外-可见和1个1 H NMR滴定实验表明,4 - [(4-硝基-苯基) -亚肼基] -1-苯基-1H-吡唑-3-羧酸酯衍生物显示出氟离子的选择性传感优先于氯- ,BR - ,我-,PF 6 -,HSO 4 -,CLO 4 -,CH3 COO -和H 2 PO 4 -离子,同时4- [2,4-二硝基-苯基) -亚肼基] -1-苯基-1H-吡唑-3-羧酸酯衍生物显示出酯的感测,磷酸二氢根离子和氟离子在有机媒体。 合成和表征了由4-[((硝基取代-苯基)-肼基甲基] -1-苯基-1H-吡唑-3-羧酸盐)衍生的新型高效比色化学传感器。在存在氟离子的情况下,合成的受体表现出显着的红移现象,并立即从黄色变为深紫色。