. -Friedel-Crafts reactions catalyzed by ferric nitrate in water at room temperature between various indoles and tertiary enamides are described. This atom-economical and environmentally friendly procedure uses an inexpensive catalyst with low loadings. -(JIANG, R.; WU, X.-J.; ZHU, X.; XU*, X.-P.; JI, S.-J.; Eur.
A biopolymer chitosan based hydrogel with good transparency and rapid self-healing activity has been synthesized and utilized to get high purity separation of 152Eu (T1/2 = 13.33 a) and 137Cs (T1/2 = 30.17 a) employing SLX technique.
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