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Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c01730
Abstract: An attempted Regitz diazo transfer onto homophthalic anhydride led to the discovery of an unexpected ring contraction, which gave N-sulfonyl phthalide-3-carboxamide derivatives. The reaction is thought to proceed via a [3 + 2] cycloaddition of…
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Keywords:
ring contraction;
diazo transfer;
unexpected ring;
contraction homophthalic ... See more keywords