Fig. 4: Structures and 1H NMR spectroscopic characterizations of artopisomers.
From: Thermally-induced atropisomerism promotes metal-organic cage construction
The structures (a) and corresponding 1H NMR spectra (b) of 1 (up), 3 (middle), and 2 (bottom) (each concentration as 1 × 10−2 M in TCE-d2 at 298 K; 500 MHz).
