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Homochiral Zn and Cd Coordination Polymers Containing Amino Acid−Tetrazole Ligands

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journal contribution
posted on 01.12.2003, 00:00 authored by Zhi-Rong Qu, Hong Zhao, Xi-Sen Wang, Yong-Hua Li, Yu-Mei Song, Yu-juan Liu, Qiong Ye, Ren-Gen Xiong, Brendan F. Abrahams, Zi-Ling Xue, Xiao-Zeng You
The reactions of (S)-3-cyanophenylalanine with NaN3 in the presence of H2O and Lewis acids (ZnCl2 and CdCl2) afford two unprecedented 3D homochiral networks, mono[(S)-5-(3-tetrazoyl)-phenylalaninato]zinc(II) (1) and mono[(S)-5-(3-tetrazoyl)-phenylalaninato]cadmium(II) monoaqua(II) (2), respectively. The two compounds are isostructural with noninterpenetrated SrAl2 topology. The structure of these coordination polymers gives new insight into Sharpless' reaction of chiral 5-substituted 1H-tetrazole and homochiral supramolecular array constructions.