Continuously updated synthesis method about 2058-74-4

According to the analysis of related databases, 2058-74-4, the application of this compound in the production field has become more and more popular.

Application of 2058-74-4, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 2058-74-4 as follows.

A solution of N-methylisatin (322 mg, 2.0 mmol), phenylacetylene (306 mg, 3.0 mmol), CuI (76 mg, 0.4 mmol), and Cs2CO3 (978 mg, 3.0 mmol) in CH3CN (4.0 mL) was stirred at room temperature for 18 h. After aqueous extractive workup and column chromatographic purification process (CH2Cl2/EtOAc, 15:1) 1a was obtained as a pale yellow solid, 347 mg (66%).1-12 Other compounds were prepared similarly,1-12 and the propargylic alcohols were used in the next hydrogenation step without further identification process.

According to the analysis of related databases, 2058-74-4, the application of this compound in the production field has become more and more popular.

Reference:
Note; Seo, Da Young; Min, Beom Kyu; Roh, Hwa Jung; Kim, Jae Nyoung; Bulletin of the Korean Chemical Society; vol. 38; 10; (2017); p. 1231 – 1234;,
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