Synthesis and Properties of Cholesteryl Esters Bearing 32- and 16-Membered Crown Ethers

• Published in: Journal of organic chemistry Vol. 61; no. 4; pp. 1211 - 1218
• Main Authors: Nagvekar, Devdatt S, Delaviz, Yadollah, Prasad, Abaneshwar, Merola, Joseph S, Marand, Herve, Gibson, Harry W
• Format: Journal Article
• Language: English
• Published: WASHINGTON American Chemical Society 23.02.1996; Amer Chemical Soc
• Subjects: Chemistry; Chemistry, Organic; Physical Sciences; Science & Technology; ORGANIZATION; POLYMERS; MOLECULAR INFORMATION; RECOGNITION; COLOR; LIQUID-CRYSTALS; CHIRALITY; SUPRAMOLECULAR CHEMISTRY

The cholesteryl esters (3b and 3a) of 5-carboxy-1,3-phenylene-16-crown-5 and 5-carboxy-4,6-dichloro-1,3-phenylene-16-crown-5 show cholesteric liquid crystalline behavior but only upon heating samples that were rapidly cooled from the isotropic melt in the case of 3a and a monotropic phase for 3b. Th...