An elementary termolecular reaction involves the simultaneous collision of three atoms, molecules, or ions.57079-01-3, name is 11-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)undecanoic acid. Here is a downstream synthesis route of the compound 57079-01-3. 57079-01-3
57079-01-3, N-Maleimidyunndecanoic acid (171.4 g, 0.61 mol) and ethyl acetate (300 ml) were added to a 500 ml three-necked flaskand then thionyl chloride (142 g, 1.21 mol) A lot of gas released.After refluxing for 3h,almost no gas was released, the ethyl acetate was removed by concentration and excess thionyl chloride was added, and 200 ml of ethyl acetate was added to remove the residualacidonce toobtain crude N-maleimido undecanoyl chloride.The crude product was dissolved in 200 ml of ethyl acetate and added dropwise to a solution of N-hydroxysuccinimide (92 g, 0.8 mol) and diisopropylethylamine (129 g, 1.0 mol) in 300 ml of ethyl acetate. IceWater cooling control temperature does not exceed 20 , drip finished room temperature stirring 3h.The reaction mixture was washed with 200 ml of water to remove diisopropylethylamine hydrochloride, 100 ml of 1N hydrochloric acid to remove excess diisopropylethylamine, 200 ml of saturated saline, washed, dried and concentrated to give196 g of a white solid, ethyl acetate and petroleum Ether mixed solvent was recrystallized to give a white solid 152g,HPLC purity 98.2%, yield 66.1%.
There are, however, a few established termolecular elementary reactions. The reaction of nitric oxide with oxygen appears to involve termolecular steps. you can also browse my other articles about 57079-01-3
Reference£º
Patent; Suzhou Haofan Biological Technology Co., Ltd.; Lv Minjie; Zhang Haiyan; Wang Guichun; Sun Fangchao; (10 pag.)CN105037237; (2017); B;,
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