Adding a certain compound to certain chemical reactions, such as: 102359-00-2, name is 2-Oxoindoline-5-carboxylic Acid, belongs to indolines-derivatives compound, 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 102359-00-2, Product Details of 102359-00-2
A mixture of 5-carboxy-2-oxindole (113 mg), 3-methylindole-2-carbaldehyde (56 mg) (prepared according to Synthetic Communications, 1986, 16, 1799) and piperidine (30 mg) in ethanol (1 mL) was heated in a sealed tube at 90 C. for overnight. The mixture was cooled to room temperature. The solid was collected by vacuum filtration, washed with cold ethanol and dried in oven for overnight to give 75 mg (58% yield) of 3-(3-methyl-1H-indol-2-ylmethylene)-2-oxo-2,3-dihydro-1H-indole-5-carboxylic acid (piperidine salt). 1H NMR (360 MHz, DMSO-d6) 13.0 (s, br, 1H, NH), 8.35 (d, J=1.5 Hz, 1H, H-4), 7.91 (s, 1H, vinyl), 7.82 (dd, J=1.5 and 8 Hz, 1H, H-6), 7.63 (d, J=8 Hz, 1H), 7.49 (d, J=8 Hz, 1H), 7.26 (t, J=7.5 Hz, 1H), 7.06 (t, J=7.5 Hz, 1H), 6.8 (d, J=8 Hz, 1H), 2.91 (t, 4H, piperidine), 2.6 (s, 3H, CH3), 1.6 (m, 4H, piperidine), 1.54 (m, 2H, piperidine).
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