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. Author manuscript; available in PMC: 2018 Feb 12.
Published in final edited form as: Org Lett. 2017 Nov 3;19(21):5728–5731. doi: 10.1021/acs.orglett.7b02456

Figure 3.

Figure 3

Fluorescence spectra of metallacycles 1 (a) and 2 (b) in different solvents (λex = 425 nm, c = 10.0 µM). Photographs of 1 (c) and 2 (d) under UV illumination in different solvents. Tol, toluene; DCM, dichloromethane; THF, tetrahydrofuran; EA, ethyl acetate; Dio, dioxane; Ace, acetone.