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Modification of Pyrroloisoquinolines with 2‐Bromoketones and Dimethyl Sulfoxide through Bromination

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Bromination of various dihydropyrrolo[2,1-a]isoquinolines and interesting N-heterocycles has been achieved in moderate to good yields by the use of 2-bromo-1-cyclopropylethanone and dimethyl sulfoxide as brominating reagents.


Abstract

Bromination of various dihydropyrrolo[2,1-a]isoquinolines have been reached in moderate to good yields by the use of alkylacyl bromides and dimethyl sulfoxide as brominating reagent. Other N-containing heterocycles of interest such as pyrrolo[2,1-a]isoquinoline and multisubstituted pyrroles can also be brominated successfully under the current reaction system. Distinct reactivities between alkylacyl and arylacyl bromides resulting in bromination and dicarbonylation respectively have been investigated.

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