Solvent-assisted linker exchange (SALE) and post-assembly metallation in porphyrinic metal-organic framework materials

Shinya Takaishi, Erica J. Demarco, Michael J. Pellin, Omar K. Farha, Joseph T. Hupp

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

Using recently reported robust porphyrinic metal-organic framework (RPM) materials, we have examined the systematic exchange of pillaring linkers/struts as a means of accessing new versions of these materials. Dipyridyl-porphyrin Zn(ii) (Zn-dipy) struts were successfully replaced by M2-dipy (M 2 = 2H(+), Al(iii), Sn(iv)), forming crystalline solid solutions of Zn(Zn1-xMx)-RPM in variable ratios. In addition, post-synthetic metallation was demonstrated using Zn2H-RPM, again with retention of crystallinity. We examined catalytic activity for an epoxide ring-opening reaction with a series of ZnM2-RPMs. The catalytic activity depends strongly on the identity of the metal ion present in the dipyridyl-porphyrin unit.

Original languageEnglish
Pages (from-to)1509-1513
Number of pages5
JournalChemical Science
Volume4
Issue number4
DOIs
Publication statusPublished - Apr 2013

ASJC Scopus subject areas

  • Chemistry(all)

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