Synthesis of novel multidentate ligands with two arms derived from squaric acid

Chin. J. Org. Chem. ›› 1991, Vol. 11 ›› Issue (4): 382-387. Previous Articles Next Articles

Original Articles

双臂型方酰胺多齿配体的合成

袁德其;肖森;陈益钊;罗美明

四川大学化学系

发布日期:1991-08-25

Synthesis of novel multidentate ligands with two arms derived from squaric acid

YUAN DEQI;XIAO SEN;CHEN YIZHAO;LUO MEIMING

Published:1991-08-25

Abstract

Eight new multidentate ligands I (n = 0, 1, 2; R = H, Me, Et, 2-HO2CC6H4, 8-quinolyl) have been synthesized by refluxing squaric acid with amines 2-H2NC6H4OCH2(CH2OCH2)nCH2OR which were obtained from chlorides or alcs. through nitro compounds 2-KOC6H4NO2 or 2-ClC6H4NO2. I (n = 2, R = H) turned out to be an active constituent for NH3-selective electrodes in addition to its coordinations to UO22+ and ZrO2+. This phenomenon originates from the interaction between the small and highly pos. charged squaric ring and NH3 bearing a pair of unshared electrons.

Key words: ALCOHOL ETHER, KETONE P, MULTIDENTATE LIGANDS, AMIDES P, CYCLOBUTENE P, COORDINATE CHEMISTRY, HYDROXYL COMPOUNDS

CLC Number:

O611.662

Cite this article

YUAN DEQI;XIAO SEN;CHEN YIZHAO;LUO MEIMING. Synthesis of novel multidentate ligands with two arms derived from squaric acid[J]. Chin. J. Org. Chem., 1991, 11(4): 382-387.

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双臂型方酰胺多齿配体的合成

Synthesis of novel multidentate ligands with two arms derived from squaric acid

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