Fig. 4: Guest binding studies of 1 towards tetraarylborates.
From: Charge-transfer complexation of coordination cages for enhanced photochromism and photocatalysis
a 1H NMR (400 MHz, CD3OD, 298 K) titrations of BPh4− into 1-BArF. Peaks from the guest are indicated by asterisks. b Color of the methanol solution of 1-BArF in the absence or presence of 6 equiv. [B(Ph-R)4]−. c UV-vis spectrophotometric titrations of BPh4− into a methanol solution of 1-BArF (0.1 mM).
