Publisher： John Wiley & Sons Inc
E-ISSN： 1521-3765|21|36|12581-12585
ISSN： 0947-6539
Source： CHEMISTRY - A EUROPEAN JOURNAL, Vol.21, Iss.36, 2015-09, pp. : 12581-12585
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Abstract
AbstractTwo chiral porous metal–organic frameworks (MOFs) were constructed from [VO(salen)]‐derived dicarboxylate and dipyridine bridging ligands. After oxidation of VIV to VV, they were found to be highly effective, recyclable, and reusable heterogeneous catalysts for the asymmetric cyanosilylation of aldehydes with up to 95 % ee. Solvent‐assisted linker exchange (SALE) treatment of the pillared‐layer MOF with [Cr(salen)Cl]‐ or [Al(salen)Cl]‐derived dipyridine ligands led to the formation of mixed‐linker metallosalen‐based frameworks and incorporation of [Cr(salen)] enabled its use as a heterogeneous catalyst in the asymmetric epoxide ring‐opening reaction.
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