Category: 4472-44-0

Reference of 4472-44-0 ,Some common heterocyclic compound, 4472-44-0, molecular formula is C6H7ClN2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.

Hydrazine monohydrate (1.02 mL, 21.0 mmol) was added to a solution of 2-chloro 4,6-dimethylpyrimidine (2 g, 14.0 mmol) in ethanol (5 mL). The mixture was allowed to stir at room temperature for 2 h. The precipitate that formed was collected by filtration and washed with methanol. The solid was allowed to dry in a stream of air to afford 1 g of 2- hydrazinyl-4,6-dimethylpyrimidine as a white solid (1 g). Yield: 52%; m/z (ESI+) 139 (MH+).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,4472-44-0, its application will become more common.

Reference:
Patent; PROTEOSTASIS THERAPEUTICS, INC.; TAIT, Bradley; POWELL, Noel, A.; CULLEN, Matthew; WO2012/154880; (2012); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Adding a certain compound to certain chemical reactions, such as: 4472-44-0, 2-Chloro-4,6-dimethylpyrimidine, 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, Computed Properties of C6H7ClN2, blongs to pyrimidines compound. Computed Properties of C6H7ClN2

[0586] Synthesis of methyl 4, 6-dimethylpyrimidine-2-carboxylate: [0587] To a stirred solution of 2-chloro-4, 6-dimethylpyrimidine (1 g, 7.05 mmol) in MeOH: CH3CN (4: 1, 20 mL) under argon atmosphere were added triethyl amine (1.98 mL, 14.02 mmol) and Pd(dppf)2Cl2 (1 g, 1.40 mmol) at room temperature; heated to 100 C and stirred for 20 h under CO pressure in steel bomb. The reaction was monitored by TLC; after completion of the reaction, the reaction mixture was filtered through celite and the filtrate was concentrated in vacuo to obtain the crude. The crude was purified through silica gel column chromatography using 30% EtOAc/ Hexanes to afford methyl 4,6-dimethylpyrimidine-2-carboxylate (400 mg, 34%) as an off- white solid. [0588] 1H-NMR (CDCI3, 400 MHz): delta 7.20 (s, 1H), 4.07 (s, 3H), 2.61 (s, 6H); LC-MS: 87.29%; 167.2 (M++l); (column: X-Bridge C-18, 50 3.0 mm, 3.5 mupiiota); RT 1.47 min. 0.05% Aq TFA: ACN; 0.8 mL/min); TLC: 30% EtOAc/ Hexanes (R 0.3).

At the same time, in my other blogs, there are other synthetic methods of this type of compound,4472-44-0, 2-Chloro-4,6-dimethylpyrimidine, and friends who are interested can also refer to it.

Reference:
Patent; ENVIVO PHARMACEUTICALS, INC.; RIPKA, Amy; SHAPIRO, Gideon; MCRINER, Andrew, J.; BURSAVICH, Matthew, Gregory; WO2013/142269; (2013); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia