Chlorophyll tailored 20-trifluoroacetamide and its azacrown derivative as pH sensitive colorimetric sensor probe with response to AcO−, F− and CN− ions†,10.1039/C3RA41741G

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Lactoyl-CoA 全氟丁基戊烷白叶藤碱全氟己基辛烷新白叶藤碱壳寡糖特色专题-生物多肽

Chlorophyll tailored 20-trifluoroacetamide and its azacrown derivative as pH sensitive colorimetric sensor probe with response to AcO−, F− and CN− ions†

Vladimir Iashin,Tatyana V. Koso,Kati Stranius,Mikko Muuronen,Sami Heikkinen,Jari Kavakka,Nikolai V. Tkachenko,Juho Helaja

RSC Advances Pub Date : 05/17/2013 00:00:00 , DOI:10.1039/C3RA41741G

Abstract

Chlorophyll derivatives were functionalized with a trifluoroamide (TFA) group to obtain colorimetric ion sensors. Prior to this, a NO₂BF₄*pyridine based, chlorin nitration method was developed. The base strength dependent sensing of AcO⁻, F⁻ and CN⁻ ions was detected in aqueous media, which was enhanced in nonprotic solvents by an integration of the ditopic chelation capable amine crown-6 moiety.