Hydrochloric Acid → Methyl 4-hydrazinyl-2-methoxybenzoate

참여 물질

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The title compound was prepared according to the procedure described in step-2 of Intermediate-7 by using methyl 4-amino-2-methoxybenzoate (10.0 g, 0.055 mol), stannous chloride (31.00 g, 0.138 mmol), sodium nitrite (4.57 g, 0.066 mmol), 6 N HCl (200 mL) and water (100 mL) to afford 14.0 g of desired product. 1H NMR (300 MHz, DMSO d6): δ 3.73 (s, 3H), 3.80 (s, 3H), 6.51 (d, J=8.4 Hz, 1H), 6.69 (s, 1H), 7.68 (d, J=8.4 Hz, 1H), 8.75 (br s, 1H), 10.28 (br hump, 2H); MS (m/z): 197.01 (M+H)+.

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