反应 #3017814
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openreactiondata ↗doi:10.6084/m9.figshare.5104873.v1; patent:US09029392B2
反应条件: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: A degassed mixture of 2-[(hydroxy)(pyridin-3-yl)methyl]acrylic acid ethyl ester (8.2 g, 39.6 mmol), 6-chloro-2-iodoaniline (10.0 g, 39.5 mmol), triethylamine (9 mL, 122 mmol) and palladium(II) acetate (300 mg) in acetonitrile (80 mL) was heated at 70° C. overnight. The mixture was cooled to room temperature and partitioned between ethyl acetate (200 mL) and water (100 mL). The aqueous layer was separated and the organic layer was washed with brine (50 mL), filtered, dried (phase separator) and concentrated in vacuo to give a crude solid. This was washed with a minimum of ice-cold diethyl ether to yield 8-chloro-2-(pyridin-3-yl)-1,4-dihydroquinoline-3-carboxylic acid ethyl ester (10.8 g, 87%) as a white solid. δH (CDCl3) 8.73 (m, 2H), 8.04 (m, 1H), 7.66 (dd, J 7.9, 5.5 Hz, 1H), 7.18 (m, 1H), 7.05 (m, 1H), 6.94 (m, 1H), 6.29 (s, 1H), 3.99 (m, 4H), 1.04 (t, J 7.1 Hz, 3H). LCMS (ES+) 315.0 (M+H)+. The mixture was cooled to room temperature partitioned between ethyl acetate (200 mL) and water (100 mL) The aqueous layer was separated the organic layer was washed with brine (50 mL) filtered dried (phase separator) concentrated in vacuo to give a crude solid This was washed with a minimum of ice-cold diethyl ether
来源 ID: ord-980a07723755405a8843db84202ab62d