5-Nitro-N,N-dipropyl-3-benzothiophencarboxamide → HCID 57199523, compound

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Reaction Steps

80 g of 5-nitro-N,N-dipropyl-3-benzothiophencarboxamide were reduced with Fe-powder in 90% ethanol as in Example 11. Yield of title compound: 75 g as a semicrystalline product. 1H NMR(CDCl3): 7.0 ppm(d, 1H); 6.5 ppm(d, 1H); 6.3 ppm(s, 1H); 4.4 ppm(dd, 1H); 3.0-3.9 ppm(m, 8H); 1.4-1.9 ppm(m, 4H); 0.9 ppm(d. t., 6H).

Provenance & Evidence