Tetrahedron Letters p. 4631 - 4634 (1996)
Update date:2022-08-11
Topics:
Wright, Stephen W.
McClure, Lester D.
Hageman, David L.
A modification of the Gassman oxindole synthesis is described that proceeds from anilines and ethyl (methylsulfinyl)acetate, using oxalyl chloride to activate the sulfoxide to facilitate the formation of the key N-S bonded intermediate. This procedure is particularly convenient for reactions carried out on smaller scales and for anilines that are susceptible to electrophilic halogenation.
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