Table 1 Host–guest binding titrations.

From: Absolute configuration and host-guest binding of chiral porphyrin-cages by a combined chiroptical and theoretical approach

 

(S,S)-6

(R,R)-6

 

Ka

ΔGo

Ka

ΔGo

Rp-(S,R)-1

262 (± 12) x 104

−36.6

325 (± 19) x 104

−37.1

Rp-(S,S)-2

9.4 (± 0.2) x 104

−28.3

10.6 (± 0.6) x 104

−28.7

  1. Association constants Ka (M−1) and binding free energies ΔGo (kJ mol−1) of complexes between chiral hosts Rp-(S,R)-1 and Rp-(S,S)-2 and viologen guests (S,S)-6 and (R,R)-6.