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31.21.1.9.4 Variation 4: Using Nitric and Triflatoboric Acids

DOI: 10.1055/sos-SD-031-01277

Aitken, K. M.; Aitken, R. A.Science of Synthesis, (2007311200.

Triflatoboric acid [2TfOHB(OTf)3], prepared from trifluoromethanesulfonic acid and boron trichloride, is a superacid that catalyzes nitration reactions of deactivated aromatic compounds. The nitrated products 40 are obtained in good yields (Scheme 19).[‌100‌]

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M MM8 M 88°M, 8e 88 [‌888‌]

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Meeeee 8,8,8-Meeeeeeee-8-eeeeeeeeeee Meeeeee (88, M8=Me; M8=M; M8=M):[‌888‌]

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