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8.2.4.1.2.3 Variation 3: Reactions of N-Anions

DOI: 10.1055/sos-SD-008-00826

Jonczyk, A.; Kowalkowska, A.Science of Synthesis, (200681037.

The catalytic effect of Q+X on the alkylation of aromatic amines in the presence of an aqueous solution or solid sodium hydroxide is observed, in spite of their low acidity, which precludes the generation of amide anions with sodium hydroxide.[‌1‌,‌349‌] The N-anions are possibly involved during the selective and efficient N-monomethylation of 2-nitroanilines with dimethyl sulfate[‌350‌] or the N-monoalkylation of 2-aminobenzophenones 46 (Scheme 38).[‌351‌]

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Meeeeeeeeee ee 8-eeeee-8-(eeeeeeeeeee)eeeeeeeeeeee 88[‌888‌] eee e eee-eee eeeeeeee ee β-eeeeeeee eeeeeeeee eeee α-eeeee eeeee[‌888‌] ee eeeeeeeeeeee eeeee-eeeeeeee eeeeeeeee eeeeeee eeeeeee eeeeeeeee eeeeeeeee ee eeeeeeeeeee α-eeeeeeeee-β-eeeeeee 88 ee β-eeeeeee, eeeeeeeeeeee (Meeeee 88). β-Meeeeee eee eeee eeeeeeee ee eeeeeeeeeee ee M-eeeeeeeeeee α,β-eeeeee-α-eeeeeeeeeeeeeeeeee ee eee eeeeeeee ee 88% eeeeeee eeeeee eeeeeeeee eee eeeeeee α-eeeee eeeee ee eeeeeeeee.[‌888‌]

Meeeee 88 Meeee-Meeeeeee-Meeeeeeee Meeeeeeee ee α-Meeeeeeee-β-eeeeeee[‌888‌]

Meeeeeeeeeeeeeee,[‌888‌] 8,8-eeeeeeeeeeeeeee,[‌888‌] ee eeeeeeeeeeeeeee[‌888‌] eeeeeee M-eeeeeeeeee eeeee eeeee-eeeeeeee eeeeeeeee eeeeeeeeee; ee eee eeeeee eeee, eeeeeeeeeee ee eeee eeee eeeee eee eee eeeeeee ee eeeeeee eee ee eee eeeeeeee ee 88% eeeeeee eeeeee eeeeeeeee. Meeeeeeeeeee eeeeeeeee ee eeeeeeee eee eeeeeeee eeeeeee eeeeeeeeeee eee eeeeeeeeeeeeeee ee eee eeeeeeee ee eeeeeee eeeeee eeeeeeeee eee eeeeeeeeeeeeeeeeee eeeeeee. M eeeee eeeeee ee eeeeeeeeeee ee eeeeeeee ee eeeee ee eeeeee eeeeeeee eeeeeeeeeee ee eeee eeeee.[‌888‌]

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

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References


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