P. Beltrame, P. Carniti, A. Lai
Sep 1, 1975
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Journal
Magnetic Resonance in Chemistry
Abstract
Proton NMR spectra were recorded and analysed for 1-bromo-4-nitrobenzene, 2-bromo-5-nitroluene, 3-bromo-6-nitrotoluene and 2-bromo-5-nitro-p-xylene, as well as for the corresponding compounds having p-CH3C6H4S in place of Br. Chemical shifts and coupling constants generally agree with expected values; however, a deshielding effect of the methyl group on aromatic protons was observed in one case.