Liebigs Annalen p. 217 - 220 (1997)
Update date:2022-09-26
Topics: Intramolecular cyclization
Loeffler, Jonas
Schobert, Rainer
Upon heating in xylene α-hydroxyamides 3 react with the cumulated phosphorus ylide 1 to give the substituted 2(3H)-oxazolones 8 in 40-80% yield. The reaction proceeds via an addition/cyclization/intermolecular-Wittig olefination sequence, which implies th
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