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. 2004 Apr 5;101(16):5843–5845. doi: 10.1073/pnas.0308326101

Fig. 3.

Fig. 3.

ReactIR data obtained during deprotonation and reprotonation of phenylacetylene in acetonitrile in the presence of Zn(OTf)2 and triethylamine. (Left) Accumulated spectra, time-resolved. (Right) Profile taken at the absorbance maximum at 3,277 cm–1.