Adding a certain compound to certain chemical reactions, such as: 324-03-8, name is 6-Fluoroindoline-2,3-dione, belongs to indolines-derivatives compound, 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 324-03-8, category: indolines-derivatives
To a stirred solution of starting material E-1.1-6 (55.0 g; 333.1 mmol) in DMF (550 ml_) is added K2CO3 (55.2 g; 399.7 mmol) and 2-iodo-propane (73.6 g; 433.0 mmol) at 25 C. The reaction mixture is stirred at 25 C for 16 h. Then the mixture is diluted with water and extracted with ethyl acetate. The organic layer is concentrated under reduced pressure to obtain crude compound. The crude is purified by column chromatography using silicagel (230-400 pm) with eluting mixture of ethyl acetate and hexane. Yield: 51 % (35.0 g; 169.0 mmol) HPLC-MS: (M+H)+ = 208; tRet = 2.02 min; method RND-FA-4.5-MIN
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Reference:
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; TONTSCH-GRUNT, Ulrike; BAUM, Anke; RUDOLPH, Dorothea Ingrid; (85 pag.)WO2019/145410; (2019); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem