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Influence of Chromophore Orientation on the Circular Dichroism of Isomeric Helical Molecules
Author(s) -
Przybilla Klaus Jürgen,
Vögtle Fritz,
Nieger Martin,
Franken Sybille
Publication year - 1988
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198809761
Subject(s) - circular dichroism , chromophore , nitrogen atom , crystallography , ring (chemistry) , orientation (vector space) , molecule , chemistry , stereochemistry , photochemistry , geometry , mathematics , organic chemistry
How does the circular dichroism change when the nitrogen atom of the helical pyridinophane 1 successively assumes other positions in the six‐membered ring? To answer this question the structurally isomeric pyridinophanes 1 – 4 were prepared in a two‐step synthesis and investigated. The structure‐chiroptics relationships thus obtained are a challenge for theoretical chemists.