Adding a certain compound to certain chemical reactions, such as: 118289-55-7, name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, 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 118289-55-7, COA of Formula: C10H9Cl2NO
General procedure: Equimolar mixture of 6-chloro-5-(2-chloroethyl)-1,3-dihydro-2H-indol-2-one 1 (1.00mol) and the carbonyl compound (4i-x) (1.00mol) was stirred at RT in methanol (10mL) for 2h in presence of potassium carbonate (1.20mol). After completion, the reaction mass was filtered to remove inorganic salt, added methanol (10-20mL) and activated charcoal to the filtrate and stirred for 1hr. The crude product was filtered to remove charcoal, methanol was evaporated and cooled to 0-5C to get crude solid. Recrystallized using aqueous ethanol or methanol (Yield 60-70%).
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Reference:
Article; Meti, Gangadhar Y.; Kamble, Atulkumar A.; Kamble, Ravindra R.; Somagond, Shilpa M.; Devarajegowda; Kumari, Sandhya; Kalthur, Guruprasad; Adiga, Satish K.; European Journal of Medicinal Chemistry; vol. 121; (2016); p. 221 – 231;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem