Sources of common compounds: 2-Chloro-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde

With the rapid development of chemical substances, we look forward to future research findings about 17326-27-1.

As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 17326-27-1, name is 2-Chloro-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde, molecular formula is C10H7ClN2O2, The compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below. COA of Formula: C10H7ClN2O2

G2 (0.5 mmol) was dissolved in 10.4 mL of tert-butyl alcohol and 2.5 mL of 2-methyl-2-butene. A solution of sodium chlorite (4.59 mmol) and sodium dihydrogenphosphate (3.46 mmol) in 4.2 mL of water was added dropwise. The reaction mixture was stirred at room temperature overnight. Volatile components were then removed under vacuum, and the residue was dissolved in 10 ml of water and extracted with two 10 ml portions of hexane. The aqueous layer was acidified to pH=3 with HCl(aq) and extracted with 10 mL portions of methylene chloride. The combined organic layers were washed with 20 mL of cold water, dried and concentrated to give G4. 1H NMR (400 MHz, DMSO-d6) delta 2.58 (s, 3H), 7.53 (t, J=7.0 Hz, 1H), 8.14 (d, J=7.2 Hz, 1H), 8.97 (d. J=6.8 Hz, 1H), 13.53 (brs, 1H); 13C NMR (100 MHz, DMSO-d6) delta 16.7, 108.1, 117.1, 125.6, 133.3, 138.7, 148.2, 152.0, 154.6, 163.9.

With the rapid development of chemical substances, we look forward to future research findings about 17326-27-1.

Reference:
Patent; Brodin, Priscille; Christophe, Thierry; No, Zaesung; Kim, Jaeseung; Genovesio, Auguste; Fenistein, Denis Philippe Cedric; Jeon, Heekyoung; Ewann, Fanny Anne; Kang, Sunhee; Lee, Saeyeon; Seo, Min Jung; Park, Eunjung; Contreras Dominguez, Monica; Nam, Ji Youn; Kim, Eun Hye; US2011/178077; (2011); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia