875-66-1,Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. Cinnolin-4(1H)-one,C8H6N2Oonce mentioned of 875-66-1.
(0509) Compound 110 (292 mg, 2.00 mmol) was refluxed in POCl3 overnight. It was cooled to room temperature and poured into ice water, neutralized with Na2C03. The precipitation was filtered out and washed with water, dried by pulling air through. Product was obtained as light yellow solid. (0510) (243mg, 74%). 1H NMR (400 MHz, chloroform-i/) delta 9.35 (s, 1H), 8.57 (ddd, J= 8.5, 1.4, 0.7 Hz, 1H), 8.20 (ddd, J= 8.2, 1.6, 0.7 Hz, 1H), 7.97 – 7.83 (m, 2H).
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Reference£º
Patent; THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE; YIN, Hang Hubert; ZHANG, Shuting; HU, Zhenyi; (114 pag.)WO2019/89648; (2019); A1;,
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