N-bromobutanimide → HCID 10069607, compound

Participants

Reaction Steps

1-Bromo-2,5-pyrrolidinedione (0.26 g) was added to a solution of the product from Example 27 step b) (0.5 g) in DMF (5 ml) and the solution stirred at room temperature for 20 mins. Water (5 ml) was added and the mixture stirred for a further 30 mins. The reaction was diluted with further water (50 ml), extracted with ethyl acetate, dried (MgSO4) and filtered. The filtrate was evaporated in vacuo and the residue purified by reverse phase HPLC. After evaporation in vacuo the oily residue was treated with ether to give a solid Filtered off and dried to yield the title compound as a white solid (48 mg).

Provenance & Evidence