Abstract
Abstract This paper presents an interesting new development in the area of chemical modification of PIM-1. The amide PIM-1 (named as PIM-CONH 2 ) was synthesized by post-synthesis modification method using hydrogen peroxide (H 2 O 2 ) as reagent at room temperature. The protocol enjoys mild reaction conditions, easy work-up procedure and high conversion yield (i.e. nearly 100% of nitrile group converts to corresponding amide group.) 13 C NMR and FT-IR spectra indisputably confirmed that pure PIM-CONH 2 was obtained with no traces of nitrile and carboxylic acid groups. The PIM-CONH 2 conveys high solubility in polar aprotic solvents such as DMSO, DMF, and NMP. The fully-converted sample PIM-CONH 2 -24h possessed the apparent BET surface area of 527 m 2 g −1 , which is among the highest ever reported in various post-synthesis modified PIM-1 materials.
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