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10.6.4.2.1.4 Method 4: Nitration

DOI: 10.1055/sos-SD-010-00275

Andrews, M. D.Science of Synthesis, (200110253.

Nitration of dibenzothiophene (1) occurs at C2, as stated above, but oxidation of the sulfur also occurs under the reaction conditions to give a 1:1 mixture of the nitro derivative 156 and dibenzothiophene 5-oxide (5).[‌37‌] Further nitration occurs at C8 to give a moderate yield of the dinitro compound 157 (Scheme 50).[‌175‌]

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