1832
Y. Takahashi, M. Seki
Paper
Synthesis
13C NMR (CDCl3): = 150.0, 139.1, 129.3, 125.0, 113.6, 107.1.
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2,6-Dibromo-4-nitroaniline (3k)4f
White solid.
1H NMR (CDCl3): = 8.35 (2 H, s), 5.29 (2 H, br s).
13C NMR (CDCl3): = 147.5, 138.6, 128.0, 106.5.
Methyl 4-Amino-3-bromobenzoate (2l)4n
White solid; assay yield: 1.6 g (96%); 2l/3l = 100:0.
1H NMR (CDCl3): = 8.12 (1 H, d, J = 2.0 Hz), 7.79 (1 H, dd, J = 8.2, 2.0
Hz), 6.73 (1 H, d, J = 8.8 Hz), 4.52 (2 H, br s), 3.86 (3 H, s).
13C NMR (CDCl3): = 166.0, 148.1, 134.5, 130.3, 120.8, 114.3, 107.9,
51.9.
Conflict of Interest
The authors declare no conflict of interest.
Supporting Information
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Supporting information for this article is available online at
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