In:
ChemistrySelect, Wiley, Vol. 3, No. 1 ( 2018-01-10), p. 214-219
Kurzfassung:
In quest of the role of noncovalent interaction for the preference of inter and intramolecular stacking phenomenon, we synthesized O/O ( 1 ), N/O ( 2 ) and N/N ( 3 ) isomeric dimers of 3‐cyano‐4,6‐dimethyl‐2‐pyridone linked through propylene chain. The direct evidence of noncovalent interactions and conformation of all the three isomers were obtained by single crystal X‐ray diffraction analysis and conformational stability was evaluated through density functional theory. Isomers 1 and 2 were crystallized in stable conformation while isomer 3 was crystallized in constraint geometry which was further confirmed by differential scanning calorimetry analysis. The supramolecular structure in isomer 1 showed the helical geometry, isomer 2 showed the parallel stacking and pleated structure, while isomer 3 showed only pleated structure.
Materialart:
Online-Ressource
ISSN:
2365-6549
,
2365-6549
DOI:
10.1002/slct.201702565
Sprache:
Englisch
Verlag:
Wiley
Publikationsdatum:
2018
ZDB Id:
2844262-3