Synthetic Route of 13421-13-1, 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 13421-13-1 as follows.
General procedure: To a solution of imidazole carbaldehyde (1a-d) (100 mg, 1 equiv) in methanol (3 mL) were added successively Na2SO4 (0.2 g), amine 2a-d (1.2 equiv), alkynoic acid 3a-c (1.2 equiv) and isonitrile 4a-c (1.2 equiv) in a screw capped vial equipped with a magnetic stir bar. The reaction mixture was stirred at room temperature for 24-48 h in closed vial. After completion of the reaction, the mixture was diluted with dichloromethane (100 mL) and was extracted with water (50 mL). Organic layer was washed with brine (50 mL), dried over magnesium sulfate and evaporated under reduced pressure to obtained residue which was subjected to silica gel column chromatography (1-5 % methanol in dichloromethane) to afford the desired product 5a-r as solid.
According to the analysis of related databases, 13421-13-1, the application of this compound in the production field has become more and more popular.
Reference:
Article; Li, Zhenghua; Legras, Laetitia; Kumar, Amit; Vachhani, Dipak D.; Sharma, Sunil K.; Parmar, Virinder S.; Van Der Eycken, Erik V.; Tetrahedron Letters; vol. 55; 13; (2014); p. 2070 – 2074;,
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