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. Author manuscript; available in PMC: 2018 Jan 24.
Published in final edited form as: Chem Commun (Camb). 2017 Jan 24;53(8):1370–1373. doi: 10.1039/c6cc08844a

Figure 2.

Figure 2

(A) SO2 donor pairs. (B) Fluorescent SO2 donor and product after SO2 release (100 μM in MeOH). (C) Coalescence of cheletropic product (6 + 1) observed in 13C NMR (DEPT-135) with increasing temperature.