Sigmatropic tautomerism between n-allyl-
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Yosuo Makisumi; Takashi Sasatani
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Article
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1969
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Elsevier Science
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French
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In continuation of our studies of 3,3-sigmatropic reactions, we have discovered the facile amino-Claisen rearrangement of the N-allyl-enamine system in pyrazolin-5-ones (1). Recent reports (2, 3,4) on the analogous examples of the amino-Claisen rearrangement prompt a preliminary report of our work o