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Selective recognition of tryptophan through inhibition of intramolecular charge-transfer interactions in an aqueous medium.

作者信息

Hariharan Mahesh, Karunakaran Suneesh C, Ramaiah Danaboyina

机构信息

Photosciences and Photonics, Chemical Sciences and Technology Division, Regional Research Laboratory (CSIR), Trivandrum 695019, India.

出版信息

Org Lett. 2007 Feb 1;9(3):417-20. doi: 10.1021/ol062636m.

DOI:10.1021/ol062636m
PMID:17249776
Abstract

[reaction: see text] A novel donor-acceptor conjugate 1 was synthesized, and its interactions with various amino acids have been investigated as compared to the model system 2. The conjugate 1 unusually forms an intramolecular charge-transfer complex in the aqueous medium and undergoes selective binding interactions with tryptophan. The uniqueness of this system is that it selectively recognizes tryptophan among all other amino acids and involves synergistic effects of pi-stacking, electrostatic, and donor-acceptor interactions.

摘要

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