Modeling chemical reactions helps engineers virtually understand the chemistry, optimal size and design of the system, and how it interacts with other physics that may come into play. Introduce a common compound, CAS is 875-66-1, Name is Cinnolin-4-ol, belongs to cinnoline compound. 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：
Patent; THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE; YIN, Hang Hubert; ZHANG, Shuting; HU, Zhenyi; (114 pag.)WO2019/89648; (2019); A1;,
Cinnoline – Wikipedia
Cinnoline – an overview | ScienceDirect Topics