1122-10-7, A balanced equation for a chemical reaction indicates what is reacting and what is produced, but it reveals nothing about how the reaction actually takes place. The reaction mechanism is the process, or pathway, by which a reaction occurs.1122-10-7, name is 3,4-Dibromo-1H-pyrrole-2,5-dione. An updated downstream synthesis route of 1122-10-7 as follows.
General procedure: To a solution of N-R-maleimide (10 mmol) in CCl4 (15 mL) was added dropwise a solution of Br2 (0.57 mL, 11 mmol) in CCl4 (10mL) at rt After the addition is completed, the reaction mixture was refluxed for 1 h and then cooled to room temperature. The solvent was evaporated in vacuo to give the crude trans-2,3-Dibromo-N-R-succinimide as pale-yellow solid. The crude succinimide was dissolved in THF (30 mL) and triethylamine (1.40 mL, 11 mmol) in THF (5 mL) was added dropwise at 0 oC.The resulting mixture was allowed to warm to room temperature and stirred for two h before concentrated in vacuo. The residue was dissolved in EtOAc and washed with H2O and brine. The organic layer was dried with anhydrous Na2SO4 and evaporated in vacuo to give bromo-N-R-maleimide (1)as pale-yellow solid with good yields., 1122-10-7
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Reference£º
Article; Li, Xiangmin; Li, Hongxian; Yang, Wei; Zhuang, Jinchen; Li, Hao; Wang, Wei; Tetrahedron Letters; vol. 57; 24; (2016); p. 2660 – 2663;,
Pyrroline – Wikipedia
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