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ChemicalBook CAS DataBase List 6-chloro-1,3,5-triazine-2,4(1H,3H)-dione

6-chloro-1,3,5-triazine-2,4(1H,3H)-dione synthesis

2synthesis methods
-

Yield:69125-10-6 88.7%

Reaction Conditions:

with lithium hydroxide monohydrate;sodium hydroxide at 40; pH=12 - 13; for 2 h;Reagent/catalyst;Temperature;

Steps:

1-3 Synthesis method of intermediate C-1

Add 184g of cyanuric chloride to 1000g of water, heat to 40 °C, add 25% aqueous sodium hydroxide solution under stirring until the pH of the solution is maintained at 12-13, continue to stir for 2 hours. At the end of the reaction, the pH value was adjusted to 6-7 by dropwise hydrochloric acid, the solution was cooled to 5-10 ° C, stirring continued to be stirred for 0.5 hours, filtered, rinsed with water, dried to give 130.9g intermediate C-1 as a white solid, HPLC purity 99.3%, yield 88.7%

References:

CN114805314,2022,A Location in patent:Paragraph 0044-0053