Heterocycles p. 489 - 501 (1997)
Update date:2022-08-11
Topics:
Ikemoto, Norihiro
Estevez, Isabel
Nakanishi, Koji
Berova, Nina
Bithiophene chromophores were synthesized and used to derivatize NH2 and OH groups in aminocyclohexane, (1R, 2R)-diaminocyclohexane, (1R, 2R)-trans-1,2-cyclohexanediol and methyl L-acosamidine for their application in the exciton chirality method. Schiff base, ester and amide derivatives were generated in good yields and were found to exhibit exciton-split CD curves. Besides their absorption at long wavelengths (red-shifted) in the visible range, the bithiophene derivatives showed fluorescence and solvatochromic properties.
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