Adding a certain compound to certain chemical reactions, such as: 52537-00-5, name is 6-Chloro-2,3-dihydro-1H-indole, 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 52537-00-5, Safety of 6-Chloro-2,3-dihydro-1H-indole
Sodium cyanoborohydride (4. [88] g, 77.8 mmol) was added to a solution of 6- chloroindoline (5.9 g, [38.] 9 mmol) in acetic acid (100 mL). Gas evolution was evident at the beginning of the reaction. After stirring for 10 h, the solution was diluted with water (100 mL) and 6 N [NAOH] was added until the pH of the reaction mixture was 12-13. The resulting mixture was extracted with [CH2CLZ] (3 x 200 mL), and the combined organic layers dried over [MGS04.] Flash column chromatography on silica gel (35% [ETOAC/HEXANES)] yielded 2.3 g (39%) of a clear liquid : 1H NMR (DMSO-d6) 8 2.87 (t, J= 8.4 Hz, 2H), 3.44 (t, [J =] 8.4 Hz, 2H), 6.45 (d, J= 1.8 Hz, 1H), 6.47 (dd, J = 1.8, 7.6 Hz, 1H), 6.96 (d, J = 7.3 Hz, 1H).
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