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Paper | Regular issue | Vol 36, No. 6, 1993, pp.1375-1380
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6334
Substituent Influenced Alkylation of 3-Substituted 5-Hydroxypyrazoles: Claisen Rearrangement of 5-Allyoxypyrazoles

Ki-Jun Hwang,* Chan-Mo Yu, Young-Dae Gong, and Kyung-Ho Park

*Korea Research Institute of Chemical Technology, P.O.Box 9, Daedeog Danji, Daejoen 305-606, Korea

Abstract

Conspicuous substituent effects of 3-substituted 5-hydroxypyrazoles in the process of alkylation and subsequent [3,3]-sigmatropic rearrangement of the resulting alkylated products are described.