Synthesis of pyrazole anchored three-coordinated organoboranes and their application in the detection of picric acid.
作者： Vanga Mukundam , Krishnan Venkatasubbaiah , Ritwick Das , Anupa Kumari , Shreenibasa Sa
DOI: 10.1039/D1DT00586C
关键词: Nonlinear optical 、 Boron 、 Pyrazole 、 Fluorescence 、 Organoboron compounds 、 Quenching (fluorescence) 、 Photochemistry 、 Chemistry 、 Picric acid
摘要: Three-coordinated organoboron fluorophores bearing 3,5-diphenyl pyrazoles have been synthesized. The pyrazole anchored boron show selective fluorescence quenching response to trinitrophenol (or) picric acid (PA) and the ability discriminate over other analytes. We investigated nonlinear optical (NLO) properties of these three-coordinated compounds (in solutions) in presence absence PA. In PA, two-photon-absorption coefficient (β) exhibits a variation from 2 × 10-12 cm W-1 4 W-1. results also reveal that NLO characteristics exhibit discernible with PA addition which has correlations observed measurements.
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