Adding a certain compound to certain chemical reactions, such as: 18711-15-4, name is 4,6-Dichloroisatin, 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 18711-15-4, COA of Formula: C8H3Cl2NO2
(1) 1-Methyl-4,6-dichloroisatin A mixture of 60% NaH (20.5 mg), 4,6-dichloroisatin (947 mg), and iodomethane (0.328 mL) in THF (20 mL) were stirred overnight at room temperature, poured into 1 N hydrochloric acid, and extracted with ethyl acetate. The extracts were washed with sat. aqueous NaCl, dried over MgSO4, and concentrated. The residue was washed with hexane to give the title compound (849 mg, 84%). 1H-NMR (DMSO-d6, 300 MHz) delta 3.12-3.11 (3H, m), 7.33-7.30 (2H, m).
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Reference:
Patent; Sumitomo Pharmaceuticals Co., Ltd.; US6576656; (2003); B1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem