Tetrahedron

Urea-tetrahydrobenzoxanthene receptors for carboxylic acids

AI Oliva, L Simón, FM Muñiz, F Sanz, JR Morán

Index: Oliva, Ana I.; Simon, Luis; Muniz, Francisco M.; Sanz, Francisca; Moran, Joaquin R. Tetrahedron, 2004 , vol. 60, # 17 p. 3755 - 3762

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Citation Number: 12

Abstract

Hydrogen-bonding receptors for carboxylic acids have been prepared based on a cis tetrahydrobenzoxanthene skeleton. X-ray diffraction study of one of these compounds revealed that the cleft is suitable for establishing strong linear hydrogen bonds with the oxygen of a water molecule. Complexes that set only three H-bonds with the guests showed no chiral recognition with amino acid derivatives. However, suitable functionalization of ...