Two New d<sup>10 </sup>Supramolecular Polymers Constructed by 1H-Pyrazolo[3,4-b]pyridin-3-amine and 1,4-Benzenedicarboxylic Acids
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Abstract

Two new coordination polymers, [Cd(BDC)(HL)]n (I) and {[Zn(BDC)(HL)2]·(H2O)}n (II), have been synthesized under solvothermal conditions, based on 1H-pyrazolo[3,4-b]pyridin-3-amine (HL) along with 1,4-benzenedicarboxylic acid (H2BDC). Polymers I and II have been characterized by elemental analysis, IR spectroscopy, powder X-ray diffraction (PXRD) and single-crystal X-ray diffraction analysis. Polymer I features a two-dimensional 4-connected sql structure and further extends into a three-dimensional supramolecular framework directed by hydrogen-bonding interactions and π-π interactions. Polymer II exhibits a layered packing supramolecular structure. Hydrogen bonding interactions involved between the free water molecules and carboxylate O atoms of H2BDC ligands as well as the amino N atom of HL ligands play a critical role in constructing the three-dimensional supramolecular structure of II. The solid-state photoluminescent properties of the two polymers were also investigated.

Key words： 1H-pyrazolo[3,4-b]pyridin-3-amine supramolecular structure hydrogen-bonding interactions

Received: 07 January 2019 Published: 13 June 2019

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Supported by the Natural Science Foundation of Anhui Education Bureau (No. KJ2017A380)

Corresponding Authors: xuyun88@163.com E-mail: xuyun88@163.com

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	XU Yun
	DING Fang
	LIU Dong
	YANG Pei-Pei

Cite this article:

XU Yun,DING Fang,LIU Dong, et al. Two New d¹⁰ Supramolecular Polymers Constructed by 1H-Pyrazolo[3,4-b]pyridin-3-amine and 1,4-Benzenedicarboxylic Acids[J]. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2019, 38(6): 901-908.

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http://manu30.magtech.com.cn/jghx/EN/ OR http://manu30.magtech.com.cn/jghx/EN/Y2019/V38/I6/901

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