Synthesis of 3-Alkyl-3-bromo-1-ethoxycarbonyl-1,3-dihydro-2H-indol-2-ones
- 1 January 1992
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1992 (03) , 265-266
- https://doi.org/10.1055/s-1992-26084
Abstract
3-Alkyl-1,3-dihydro-2H-indol-2-ones 1 are converted to the coresponding 2-ethoxycarbonyloxy derivatives 2 by reaction with ethyl chloroformate in the presence of triethylamine. Bromination of 2 affords the title compounds in 73-93% yield.Keywords
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