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N-AlkylationO 0268 DOI: 10.1002/chin.201015049

Microwave-Assisted, Rapid, Solvent-Free Aza-Michael Reaction by Perchloric Acid Impregnated on Silica Gel. — The microwave-assisted, solvent-free aza--Michael reaction using perchloric acid impregnated on silica gel as catalyst is de-scribed. The catalyst can be re-used several times without loss of activity. — (SINGH*, S. P.; KUMAR, T. V.; CHANDRASEKHARAM, M.; GIRIBABU, L.; REDDY, P. Y.; Synth. Commun. 39 (2009) 22, 3982-3989; Dep. Appl. Chem., Fac. Eng., Osaka Univ., Suita, Osaka 565, Japan; Eng.) — M. Bohle

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