abstract |
The invention relates to organic chemistry, and in particular to a catalyst for the synthesis of 2-pyrrol-3-yloxindole derivatives. According to the invention, the use of 1,3-di (2-cyanoethyl) -1H-imidazol-3-tetrafluoroborate ionic liquid with the formula: as a catalyst for the synthesis of derivatives of 2-pyrrol-3-yloxindole. |