Thiophene-Fused Tropones as Chemical Warfare Agent-Responsive Building Blocks
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Author(s) •
Weis, Jonathan Garrett
Swager, Timothy M
Date Issued
January 2015
Journal
ACS Macro Letters
Publisher
American Chemical Society (ACS)
Citation
Weis, Jonathan G., and Timothy M. Swager. “Thiophene-Fused Tropones as Chemical Warfare Agent-Responsive Building Blocks.” ACS Macro Letters 4, no. 1 (January 20, 2015): 138–142.
Version
Author's final manuscript
Abstract
We report the synthesis of dithienobenzotropone-based conjugated alternating copolymers by direct arylation polycondensation. Postpolymerization modification by hydride reduction yields cross-conjugated, reactive hydroxyl-containing copolymers that undergo phosphorylation and ionization upon exposure to the chemical warfare agent mimic diethylchlorophosphate (DCP). The resulting conjugated, cationic copolymer is highly colored and facilitates the spectroscopic and colorimetric detection of DCP in both solution and thin-film measurements.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
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DOI of Published Version
https://doi.org/10.1021/mz5007848