Efficient and facile protocol for one-pot synthesis of 2-amino-substituted benzothiazoles catalyzed by nano-BF3/SiO2 under mild conditions

Efficient and facile protocol for one-pot synthesis of 2-amino-substituted benzothiazoles... Res Chem Intermed (2016) 42:7855–7868 DOI 10.1007/s11164-016-2566-z Efficient and facile protocol for one-pot synthesis of 2-amino-substituted benzothiazoles catalyzed by nano-BF /SiO under mild conditions 3 2 1 1 Hossein Naeimi Arash Heidarnezhad Received: 8 December 2015 / Accepted: 26 April 2016 / Published online: 10 May 2016 Springer Science+Business Media Dordrecht 2016 Abstract A highly efficient and simple protocol for the preparation of 2-aminoben- zothiazoles through the reaction of potassium thiocyanate and substituted anilines in the presence of nano-BF /SiO as a reusable heterogeneous catalyst is described. In this 3 2 method, all of the 2-amino-substituted benzothiazoles were obtained in high to excellent yields and short reaction times under mild conditions. The structures of the resulting 1 13 products were characterized and confirmed by melting point, FT-IR, H NMR and C NMR techniques. Graphical Abstract A highly efficient and simple protocol for the preparation of 2-aminobenzothiazoles by reaction of potassium thiocyanate and substituted anilines in the presence of nano-BF3/SiO as a reusable heterogeneous catalyst is described. NH +- NH KS C NH NH NH .. -+ -+ SK SK NH Br & Hossein Naeimi naeimi@kashanu.ac.ir Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, 87317 Kashan, Islamic Republic http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Efficient and facile protocol for one-pot synthesis of 2-amino-substituted benzothiazoles catalyzed by nano-BF3/SiO2 under mild conditions

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Publisher
Springer Netherlands
Copyright
Copyright © 2016 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-016-2566-z
Publisher site
See Article on Publisher Site

Abstract

Res Chem Intermed (2016) 42:7855–7868 DOI 10.1007/s11164-016-2566-z Efficient and facile protocol for one-pot synthesis of 2-amino-substituted benzothiazoles catalyzed by nano-BF /SiO under mild conditions 3 2 1 1 Hossein Naeimi Arash Heidarnezhad Received: 8 December 2015 / Accepted: 26 April 2016 / Published online: 10 May 2016 Springer Science+Business Media Dordrecht 2016 Abstract A highly efficient and simple protocol for the preparation of 2-aminoben- zothiazoles through the reaction of potassium thiocyanate and substituted anilines in the presence of nano-BF /SiO as a reusable heterogeneous catalyst is described. In this 3 2 method, all of the 2-amino-substituted benzothiazoles were obtained in high to excellent yields and short reaction times under mild conditions. The structures of the resulting 1 13 products were characterized and confirmed by melting point, FT-IR, H NMR and C NMR techniques. Graphical Abstract A highly efficient and simple protocol for the preparation of 2-aminobenzothiazoles by reaction of potassium thiocyanate and substituted anilines in the presence of nano-BF3/SiO as a reusable heterogeneous catalyst is described. NH +- NH KS C NH NH NH .. -+ -+ SK SK NH Br & Hossein Naeimi naeimi@kashanu.ac.ir Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, 87317 Kashan, Islamic Republic

Journal

Research on Chemical IntermediatesSpringer Journals

Published: May 10, 2016

References

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