Homochiral coordination cages assembled from dinuclear paddlewheel nodes and enantiopure ditopic ligands: syntheses, structures and catalysis

Dalton Transactions : an International Journal of Inorganic Chemistry
Lianfen ChenCheng-Yong Su

Abstract

A series of homochiral metal-organic cages (MOCs) have been obtained from self-assembly of Cu(II) salts with chiral N,N'-(bicyclo[2,2,2]oct-7-ene-tetracarboxylic)-bis-amino acids. Single-crystal X-ray diffraction analyses reveal that these compounds show a lantern-type cage structure, in which one pair of Cu2(CO2)4 paddlewheels is linked by four diacid ligands. The resulting homochiral cages have been fully characterized by EA, TOF-MS, TGA, VTPXRD, IR, UV, and CD measurements. The catalytic tests reveal that these Cu(II) cages are effective in cyclopropanation with excellent diastereoselectivity (up to 99 : 1 E/Z). In addition, the cage catalysts can promote the aziridination reaction with PhI=NNs.

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Citations

Oct 6, 2015·Chemical Communications : Chem Comm·Stephanie A Boer, David R Turner
Jun 19, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Xin CuiXian-Ming Zhang
Aug 5, 2018·Chemistry : a European Journal·Chunxia TanYong Cui
Jun 23, 2019·Chemistry, an Asian Journal·Stephanie A Boer, David R Turner
Dec 4, 2020·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Zheng-Zhong ZhuQing-Fu Sun
Jul 6, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Wen-Yuan PeiJian-Fang Ma
Jun 11, 2020·Chemical Reviews·Aeri J GosselinEric D Bloch

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