Adding a certain compound to certain chemical reactions, such as: 19727-83-4, name is 6-Nitroindoline, 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 19727-83-4, name: 6-Nitroindoline
Step A: 6-Nitroindoline (3.0 g, 18.3 mmol) was dissolved in THF (45 mL) and Et3N (3.4 mL, 24.4 mmol) at O0C. Acetyl chloride (1.5 mL, 21 mmol) was added drop wise. The mixture was stirred at room temperature for 30 minutes. The mixture was partitioned between EtOAc and aqueous HCl. The organic layer was dried and concentrated to yield l-acetyl-6-nitroindoline (3.8 g, 100%) as a yellow solid.
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Reference:
Patent; PTC THERAPEUTICS, INC.; HWANG, Peter Seongwoo; TAKASUGI, James; REN, Hongyu; WILDE, Richard Gerald; TURPOFF, Anthony; AREFOLOV, Alexander; KARP, Gary Mitchell; CHEN, Guangming; CAMPBELL, Jeffrey Allen; WO2006/19831; (2006); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem