Tetrahedron letters

The synthesis of 1H-pyrazol-4-ols from 2-(2-alkylidenehydrazino) acetic acids

GM Pilling, RH Bell, RE Johnson

Index: Pilling, Garry M.; Bell, Rebecca H.; Johnson, Robert E. Tetrahedron Letters, 1988 , vol. 29, # 12 p. 1341 - 1342

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Citation Number: 10

Abstract

Tetrahedron Letters,Vol.29,No.l2,pp 1341-1342,1988 0040-4039/88 $3.00 + .OO Printed in Great Britain ... THE SYNTHESIS OF 1H-PYRAZOL-4-OLS FROM 2-(2-ALKYLIDENEHYDRAZINO) ACETIC ACIDS ... Garry M. Pilling, Rebecca H. Bell, and /Robert E. Johnson* Sterling-Winthrop Research Institute Rensselaer, NY 12144 ... Abstract: A new general method for synthesizing lH-pyrazol-4-01s by cyclizing 2-(2-alkylidenehydrazino)acetic acids with acetic anhydride ...