叔-butyl4-溴-1-氧代异二氢吲哚-2-羧酸盐

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred solution of 4-bromo-1-oxo-1,3-dihydro-isoindole-2-carboxylic acid tert butyl ester (0.206 g, 0.66 mmol) in tetrahydrofuran (10 ml) was added dropwise a solution of aq. lithium hydroxide (1M, 2 ml, 1.98 mmol) and the mixture stirred at room temperature under nitrogen for 18 hours. The mixture was diluted with diethyl ether (30 ml) and washed with 1M HCl (10 ml). The aqueous layer was extracted with diethyl ether (2×20 ml) and the combined organics dried over magnesium sulfate, filtered and the solvent removed by evaporation under reduced pressure to give the title compound (0.188 g, 86%) as a white waxy solid. washed with 1M HCl (10 ml) The aqueous layer was extracted with diethyl ether (2×20 ml) the combined organics dried over magnesium sulfate filtered the solvent removed by evaporation under reduced pressure