ChemInform Abstract: Alkylation of Pyraz
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W. HOLZER; B. PLAGENS; K. LORENZ
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Article
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2010
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John Wiley and Sons
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Alkylation of Pyrazolones via the Mitsunobu Reaction. -Mitsunobu coupling of pyrazolinone (I) or 4-acylated analogues with simple alcohols results in a preferred or exclusive O-alkylation depending on the solvent used. This mild and effective method allows the preparation of products which are not