Three dimensional porous Hofmann clathrate [MIIPtII(CN)4]∞ (M = Co, Ni) synthesized by using postsynthetic reductive elimination

Takuro Okamura; Bin Wu; Hiroaki Iguchi; Brian K. Breedlove; Masahiro Yamashita; Wataru Kosaka; Hitoshi Miyasaka; Shinya Takaishi

doi:10.1039/C7CC01766A

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Three dimensional porous Hofmann clathrate [M^IIPt^II(CN)₄]_∞ (M = Co, Ni) synthesized by using postsynthetic reductive elimination†

Takuro Okamura,^a Bin Wu,^a Hiroaki Iguchi,

^a Brian K. Breedlove,^a Masahiro Yamashita,^abc Wataru Kosaka,^d Hitoshi Miyasaka

^d and Shinya Takaishi

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aza-Aoba, Aramaki, Aoba-ku, Sendai, Japan
E-mail: takaishi@mail.tains.tohoku.ac.jp
Fax: +81-22-795-6545
Tel: +81-22-795-6545

^b Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Japan

^c School of Materials Science and Engineering, Nankai University, Tianjin 300350, China

^d Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Japan

Abstract

We synthesized cyano-bridged three dimensional metal–organic frameworks [M^II(H₂O)₂Pt^IV(CN)₄Br₂]_∞·n(H₂O) (1: M = Co, 2: M = Ni) with an NbO type topology. Although 1 and 2 have no accessible pores, these MOFs were found to undergo reductive elimination of the axial bromides on the Pt^IV ions as well as removal of water molecules upon heating to form porous [M^IIPt^II(CN)₄]_∞ (1′: M = Co, 2′: M = Ni) with retention of their crystallinity.

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Article information

DOI: https://doi.org/10.1039/C7CC01766A
Article type: Communication
Submitted: 08 Mar 2017
Accepted: 21 May 2017
First published: 23 May 2017

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Chem. Commun., 2017,53, 6512-6515

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Three dimensional porous Hofmann clathrate [M^IIPt^II(CN)₄]_∞ (M = Co, Ni) synthesized by using postsynthetic reductive elimination

T. Okamura, B. Wu, H. Iguchi, B. K. Breedlove, M. Yamashita, W. Kosaka, H. Miyasaka and S. Takaishi, Chem. Commun., 2017, 53, 6512 DOI: 10.1039/C7CC01766A

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Chemical Communications