Issue 44, 2021

Two scandium-based coordination polymers: rapid ultrasound-assisted synthesis, crystal transformation, and catalytic properties

Abstract

A scandium-based coordination polymer (Sc-CP), Sc(ox)1.5(H2O)2·4H2O (1) (H2ox = oxalic acid), with a two-dimensional (2D) layered structure was prepared by both hydrothermal synthesis and ultrasound-assisted heating methods using glutaric acid as a modulator. Then, the single crystal of 1 as a precursor was transformed into another 2D Sc-CP, Sc(ox)1.5(H2O)2·H2O (2), by increasing the temperature. Due to the difference in hydrogen bond interactions between the host framework and guest water molecules, 2 showed good tolerance to various solvents, while 1 exhibited poor stability even exposed in air. After activation, 2 could be used as a heterogeneous Lewis acid catalyst for two classic C–C bond formation reactions, the cyanosilylation reaction and Strecker reaction at room temperature, showing excellent catalytic activity and selectivity.

Graphical abstract: Two scandium-based coordination polymers: rapid ultrasound-assisted synthesis, crystal transformation, and catalytic properties

Supplementary files

Article information

Article type
Paper
Submitted
05 सितम्बर 2021
Accepted
06 अक्तूबर 2021
First published
01 नवम्बर 2021

CrystEngComm, 2021,23, 7813-7821

Two scandium-based coordination polymers: rapid ultrasound-assisted synthesis, crystal transformation, and catalytic properties

R. Liu, Y. Jiang, Y. Gong, Y. Fu, J. Shen, L. Wang, Y. Fan, Y. Guo and J. Xu, CrystEngComm, 2021, 23, 7813 DOI: 10.1039/D1CE01206A

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