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Synthesis of novel pyrazoles incorporating a phenothiazine moiety: unambiguous structural characterization of the regioselectivity in the 1,3-dipolar cycloaddition reaction using 2D HMBC NMR spectroscopy
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Synthesis of novel pyrazoles incorporating a phenothiazine moiety: unambiguous structural characterization of the regioselectivity in the 1,3-dipolar cycloaddition reaction using 2D HMBC NMR spectroscopy

Ahmed E. M. Mekky, Tamer S. Saleh and Abdullah S. Al-Bogami
Tetrahedron, Vol.69(33), pp.6787-6798
19/08/2013
DOI: https://doi.org/10.1016/j.tet.2013.06.028

Abstract

Chemistry Chemistry, Organic Physical Sciences Science & Technology
An efficient and attractive regioselective synthesis of a series of novel pyrazoles containing a phenothiazine moiety was achieved utilizing microwave irradiation. Unambiguous structural assignment of the obtained regioisomers was determined utilizing 2D HMBC NMR techniques as a valuable tool. (C) 2013 Elsevier Ltd. All rights reserved.

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