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Top) Far-UV circular dichroism spectra of 100 µM 1 in water (solid lines) and methanol (dashed lines). Bottom) A random-coil is observed in aqueous environment resulting in a degenerate 19F NMR resonance spanning 16 Hz. However in methanol, an α-helix is observed resulting in resolved 19F NMR resonances spanning 45 Hz (See Figure S51). Linewidths were measured from baseline to baseline at the red hatch marks for comparison.
