Synlett 2016; 27(06): 912-918
DOI: 10.1055/s-0035-1560385
letter
© Georg Thieme Verlag Stuttgart · New York

Alkaline-Earth-Catalyzed sp3 C–H Functionalization of Methyl Azaarenes and Its Use in a One-Pot Four-Component Synthesis of Azaarenyl Benzylpyrazolones

Srinivasarao Yaragorla*
Department of Chemistry, Central University of Rajasthan, Bandarsindri, NH-8, Ajmer District, Rajasthan, 305817, India   eMail: srinivasarao@curaj.ac.in   eMail: ysriict@gmail.com
,
Ravikrishna Dada
Department of Chemistry, Central University of Rajasthan, Bandarsindri, NH-8, Ajmer District, Rajasthan, 305817, India   eMail: srinivasarao@curaj.ac.in   eMail: ysriict@gmail.com
,
Garima Singh
Department of Chemistry, Central University of Rajasthan, Bandarsindri, NH-8, Ajmer District, Rajasthan, 305817, India   eMail: srinivasarao@curaj.ac.in   eMail: ysriict@gmail.com
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Publikationsverlauf

Received: 03. Oktober 2015

Accepted: 23. Oktober 2015

Publikationsdatum:
23. Dezember 2015 (online)


Abstract

The sp3 C–H functionalization of methyl azaarenes by using calcium triflate as the catalyst is described, together with its use in the first synthesis of azaarenyl benzylpyrazolones by a one-pot four-component reaction.