N-(Acetamido)thiourea based simple neutral hydrogen-bonding receptors for anions

Organic & biomolecular chemistry, Volume 7, Issue 19, 2009, Pages 4021-4028.

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Keywords:
hydrogen bond

Abstract:

N-(Acetamido)-N'-phenylthioureas (4-6) were found to be efficient anion receptors with higher anion affinity than their N-benzamido-N'-phenylthiourea counterparts (1 and 2). The N'-phenylthiourea moiety in 4-6 was shown to be the chromophore with an absorption maximum at ca. 270 nm. It was found that, in the presence of anions, the absorp...More

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