Aromatic layered foldamer based on (cis, cis)-squaramide: Chiral induction and absolute structure

The meta -linked bissquaramides 8 and 9 were synthesized and spectroscopically characterized. Compound 9 consists of two N,N’ -dialkyl- N,N’ -diphenylsquaramides 6 sharing a common benzene ring, and, despite the S-chirality of each component...