Category: 63200-54-4

Synthetic Route of 63200-54-4 , The common heterocyclic compound, 63200-54-4, name is 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine, molecular formula is C6H3Cl2N3, 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.

General procedure: A mixture of 2,4-dichloro-7H-pyrrolo[2,3-d]pyrimidine 18a (51.3 g) and 1.36 L of 1 N NaOH was stirred at 80 C overnight. The solution was subsequently chilled and adjusted to pH 6 with AcOH. The resulting precipitate was collected, washed with water and dried to afford 19a as solid (37.3 g, yield: 80.7%).

The synthetic route of 63200-54-4 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Xie, Hui; Zeng, Lili; Zeng, Shaogao; Lu, Xin; Zhang, Guicheng; Zhao, Xin; Cheng, Na; Tu, Zhengchao; Li, Zhiyuan; Xu, Hongjiang; Yang, Ling; Zhang, Xiquan; Huang, Min; Zhao, Junling; Hu, Wenhui; European Journal of Medicinal Chemistry; vol. 52; (2012); p. 205 – 212;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Reference of 63200-54-4 ,Some common heterocyclic compound, 63200-54-4, molecular formula is C6H3Cl2N3, 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.

To a solution of 2,4-dichloro-5H-pyrrolo[3,2-d]pyrimidine (1.00 g, 5.26 mmol) in DCM (5 mL) was added phenylboronic acid (710 mg, 5.79 mmol), cupric acetate (1.82 g, 10.52 mmol), Et3N (5.32 g, 53.62 mmol). Then the reaction mixture was stirred in oxygen atmosphere at rt overnight. Water (50 mL) was added to quench the reaction, and the mixture was partitioned. The aqueous layer was extracted with EtOAc (50 mL x 2). The combined organic layers were washed with saturated brine (80 mL), dried over anhydrous Na2504 and filtered. The filtrate was concentrated in vacuo and the residue was purified by silica gel chromatograph (PE/EtOAc (v/v) = 10/1) to give the title compound as a yellow solid (1.03 g, 74 %).MS (ESI, pos. ion) m/z: 265.20 [Mib.

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles. 63200-54-4, 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; SUNSHINE LAKE PHARMA CO., LTD.; ZHANG, Yingjun; REN, Qingyun; TANG, Changhua; LIN, Xiaohong; YIN, Junjun; YI, Kai; (270 pag.)WO2017/97234; (2017); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 63200-54-4, name is 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine. This compound has unique chemical properties. The synthetic route is as follows. Product Details of 63200-54-4

Step 1: preparation of tert-butyl 3-(((2-chloro-5H-pyrrolo[3,2-d]pyrimidin-4-yl)amino)methyl)azetidine-1-carboxylate (0266) (0267) 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine (360 mg, 1.92 mmol) and tert-butyl 3-(aminomethyl)azetidine-1-carboxylate (374 mg, 2.01 mmol) were dissolved in methanol (20 mL), followed by the addition of N,N-diisopropylethylamine (667 muL, 3.83 mmol) under stirring at room temperature. The reaction solution was refluxed for 3 hours, and then concentrated, re-dissolved in dichloromethane (50 mL), washed with water (30 mL) and concentrated to give a white solid (350 mg). Yield: 51.2%. MS (ESI, m/z): [M+H]+: 338.2.

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 63200-54-4, 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine.

Reference:
Patent; Beijing Hanmi Pharmaceutical Co., Ltd.; LIU, Jinming; CHA, Mi Young; LI, Gong; LI, Zhanmei; QIU, Hongjuan; KIM, Maengsup; (104 pag.)EP3048105; (2016); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Reference of 63200-54-4, Adding some certain compound to certain chemical reactions, such as: 63200-54-4, name is 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine,molecular formula is C6H3Cl2N3, 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 63200-54-4.

Step 1: preparation of 2,4-dichloro-5-(3-methoxylpropyl)-5H-pyrrolo[3,2-d]pyrimidine 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine (188 mg, 1.0 mmol) and sodium hydride (45 mg, 1.5 mmol) were dissolved in N,N-dimethylformamide (5 mL). The reaction mixture was stirred at room temperature for 1 hour, followed by adding 1-bromo-3-methoxypropane (184 mg, 1.2 mmol). The solution was stirred overnight at room temperature. The reaction mixture was diluted with ethyl acetate (20 mL) and washed with brine. The organic phase was dried over anhydrous sodium sulfate and separated by flash column chromatography (eluent: n-hexane: ethyl acetate = 2: 1) to give 200 mg of a white solid. Yield: 77%. MS (ESI, m/z): [M+H]+: 260.1.

According to the analysis of related databases, 63200-54-4, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Beijing Hanmi Pharmaceutical Co., Ltd.; XUE, Baoyu; ZHENG, Runa; CHA, Mi Young; KIM, Maengsup; (71 pag.)EP3336091; (2018); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Related Products of 63200-54-4, Adding some certain compound to certain chemical reactions, such as: 63200-54-4, name is 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine,molecular formula is C6H3Cl2N3, 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 63200-54-4.

Preparative Example 1.1 2,4-dichloro-5-(4-(trifluoromethyl)benzyl)-5H- pyrrolo[3,2-d]pyrimidine A suspension of 2,4-dichloro-5H-pyrrolo[3,2-d]pyhmidine (310 mg, 1 .65 mmol), potassium carbonate (456 mg, 3.30 mmol) and 4-(trifluoromethyl)benzyl bromide (0.26 mL, 1 .65 mmol) in DMA (2 mL) was stirred at room temperature for 5 days. The reaction mixture was partitioned between EtOAc and water. The organic layer was collected, dried over sodium sulfate, filtered, and then concentrated under reduced pressure. The residue was purified by silica gel chromatography (0- 60% ethyl acetate/hexanes, linear gradient) to afford 2,4-dichloro-5-(4- (trifluoromethyl)benzyl)-5H-pyrrolo[3,2-d]pyrimidine. MS ESI calc’d for Ci4H8Cl2F3N3 [M + H]+ 346, found 346.

According to the analysis of related databases, 63200-54-4, the application of this compound in the production field has become more and more popular.

Reference:
Patent; MERCK SHARP & DOHME CORP.; DINSMORE, Christopher; FRADERA LLINAS, Francesc Xavier; KUDALE, Amit Ashokrao; MACHACEK, Michelle; REUTERSHAN, Michael Hale; THOMPSON, Christopher Francis; TROTTER, B. Wesley; YANG, Liping; ALTMAN, Michael, D.; BOGEN, Stephane, L.; DOLL, Ronald, J.; VOSS, Matthew, E.; WO2014/100071; (2014); A2;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Synthetic Route of 63200-54-4, The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 63200-54-4, name is 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine. This compound has unique chemical properties. The synthetic route is as follows.

Compound 1 (435 mg, 2.3 mmol), methyl o-aminobenzoate (419 mg, 2.7 mmol) were dissolved in 10 mL tertbutanol.To the solution was added trifluoroacetic acid (0.256 mL, 3.45 mmol). The resulting reaction liquid was heatedin 85C oil bath with stirring until compound 1 was reacted completely (LC-MS tracking). The reaction was stopped. Tothe reaction liquid was added 40 mL of saturated sodium bicarbonate solution, and the liquid was separated. The organicphase was washed twice with saturated sodium chloride solution, dried over anhydride sodium sulfate, concentratedand purified by silica-gel column chromatography (dichloromethane/methanol) to yield compound 4 (white solid, 424mg, yield 61%), which was used directly for the reaction in next step.MS (ESI) m/z: 303 [M+H]+.

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant.we look forward to future research findings about 63200-54-4, 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine.

Reference:
Patent; Xiamen University; DENG, Xianming; ZHUANG, Zhongji; DENG, Zhou; HUANG, Xiaoxing; LIU, Yan; ZHANG, Ting; HUANG, Wei; XU, Qingyan; HU, Zhiyu; (86 pag.)EP3290420; (2018); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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. 63200-54-4, name is 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine, molecular formula is C6H3Cl2N3, 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. Computed Properties of C6H3Cl2N3

2,4-Dichloro-5H-pyrrolo [3,2-d] pyrimidine(600 mg, 3.19 mmol) was placed in a round bottom flask,N, N-dimethylformamide DMF (5 mL) was added to dissolve it,Methyl iodide (544 mg, 3.83 mmol) and cesium carbonate (520 mg, 1.60 mmol) were added successively and the reaction was stirred at room temperature for 24 h.Treatment: The reaction solution was added to water and extracted with ethyl acetate,The organic phase was collected, dried over anhydrous sodium sulphate, filtered off with suction and concentrated. A yellow solid. Yield: 91%.

With the rapid development of chemical substances, we look forward to future research findings about 63200-54-4.

Reference:
Patent; Zhengzhou University The First Affiliated Hospital; Kan Quancheng; Tian Xin; Zhang Xiaojian; Cheng Weiyan; Du Yue; Yang Zhiheng; Yuan Yongliang; (12 pag.)CN107312006; (2017); A;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Related Products of 63200-54-4, Adding some certain compound to certain chemical reactions, such as: 63200-54-4, name is 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine,molecular formula is C6H3Cl2N3, 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 63200-54-4.

To a solution of 2,4-dichloro-5H-pyrrolo[3,2-d]pyrimidine (6.6 g, 35.3 mmol) in ethanol (200 mL) was added sodium hydrogen carbonate (2.96 g) and Palladium on carbon (10%, 0.66 g). The mixture was stirred under an atmosphere of hydrogen at room temperature for 3 h. The mixture was filtered then filtrate absorbed onto silica gel. Flash chromatography, eluting with chloroform/methanol 4/1, afforded 2-chloro-5H- pyrrolo[3,2-d]pyrimidine (3.3 g, 61%). Also recovered from the column was 5H- pyrrolo[3,2-d]pyrimidine (1.5 g)

According to the analysis of related databases, 63200-54-4, the application of this compound in the production field has become more and more popular.

Reference:
Patent; CYTOPIA RESEARCH PTY LTD; WO2009/62258; (2009); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

63200-54-4, Adding a certain compound to certain chemical reactions, such as: 63200-54-4, 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine, 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, 63200-54-4, blongs to pyrimidines compound.

2-Chloro-4-(4-cyclopropyl-2,6-dimethylphenoxy)-5H-pyrrolo[3,2-Patent; VALEANT RESEARCH & DEVELOPMENT; WO2006/122003; (2006); A2;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia