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6-Nitro-7-tosylquinazolin-4(3H)-one

1
Department of Pharmaceutical Industry, Hanoi University of Pharmacy, Hanoi 110403, Vietnam
2
Department of Pharmaceutical Technology, Thainguyen University of Medicine and Pharmacy, Thainguyen 24117, Vietnam
3
Faculty of Science, School of Environmental and Life Sciences, University of Newcastle, Newcastle, NSW 2308, Australia
*
Author to whom correspondence should be addressed.
Molbank 2020, 2020(4), M1168; https://doi.org/10.3390/M1168
Received: 3 November 2020 / Revised: 18 November 2020 / Accepted: 19 November 2020 / Published: 21 November 2020
(This article belongs to the Special Issue Heterocycle Reactions)
Sulfones are important building blocks in the construction of biologically active molecules or functional materials. The sulfonyl functional group in sulfones is so versatile that it can act as either a nucleophile, an electrophile, or a radical in different organic reactions. Recently, quinazoline sulfones have been used to build asymmetrical ether derivatives as inhibitors of signaling pathways governed by tyrosine kinases and the epidermal growth factor-receptor. In this paper, we report a facile synthesis of a novel quinazoline sulfone, 6-nitro-7-tosylquinazolin-4(3H)-one (III), using the modified protocol from 7-chloro-6-nitroquinazolin-4(3H)-one (I) and sodium p-toluenesulfinate (II). The structure of the title compound III was determined using mass-spectrometry, FT-IR, 1H-NMR, 13C-NMR, DEPT, HSQC (Heteronuclear single quantum coherence), HMBC (Heteronuclear Multiple Bond Correlation Spectroscopy) spectroscopies, and PXRD analysis. View Full-Text
Keywords: 7-chloro-6-nitroquinazolin-4(3H)-one; 6-nitro-7-tosylquinazolin-4(3H)-one; sulfinate; sulfone 7-chloro-6-nitroquinazolin-4(3H)-one; 6-nitro-7-tosylquinazolin-4(3H)-one; sulfinate; sulfone
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Nguyen, T.N.; Tran, T.P.T.; Vu, T.H.M.; Nguyen, H.B.; Dao, N.S.H.; Nguyen, V.G.; Nguyen, D.L.; Trinh, N.T.; Nguyen, V.H. 6-Nitro-7-tosylquinazolin-4(3H)-one. Molbank 2020, 2020, M1168.

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