Synthetic Route of 167837-43-6, Adding some certain compound to certain chemical reactions, such as: 167837-43-6, name is (E)-3-(6-Aminopyridin-3-yl)acrylic acid,molecular formula is C8H8N2O2, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 167837-43-6.
To a solution of acenaphthen-5-ylmethyl-methylamine (216 mg, l. lmmol), (E)-3- (6-amino-pyridin-3-yl) acrylic acid (164 mg, 1 mmol), HOBt (148 mg, L. lmmol) and diisopropylethylamine (0.8 mL, 4.4 mmol) in DMF (20 mL) was added EDC hydrochloride (210 mg, 1.1 mmol). The mixture was stirred overnight at room temperature. Water (100 mL) was added and the solution stirred for 1 hour. The precipitate was collected by filtration. The yellow solid was preabsorded onto silica gel and purified by column chromatography (95: 5 CH2CIZ/MEOH). THE residue was dissolved into methylene chloride followed by addition of 1M HCL/ETHER. The precipitate was collected by filtration to afford (E)-N-ACENAPHTHEN-5-YLMETHYL-3-(6-AMINO-PYRIDIN-3-YL)-N-METHYL-ACRYLAMIDE hydrochloride (120 mg, 32%) as a white solid and as a mixture of amide ROTOMERS.’H NMR (300 MHz, DMSO-d6) 8 8.44-8. 28 (m, 3H), 7.84-7. 72 (m, 1H), 7.59-7. 12 (m, 6H), 7.07- 6.92 (m, 1H), 5.15-5. 02 (2 x s, 2H), 3.35-3. 15 (bs, 2H), 3.18 (s, 4H), 3.07-2. 90 (2 x s, 3H); ESI MS m/z 344 [C22H21N30 + H] +.
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Reference:
Patent; AFFINIUM PHARMACEUTICALS, INC.; WO2004/52890; (2004); A1;,
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