Sept-Oct 1982 Synthesis of Some 4-Carboxy-3- and 5-(2-Hydroxyalkyl)pyrazole Lactone Derivatives Suzanne Gelin*, Bernard Chantegrel and Christian Deshayes Laboratoire de Chimie Organique, Institut National des Sciences Appliquées, F-69621 Villeurbanne Cedex, France Received November 19, 1981 989 The synthesis and biological activities of some 4-oxo-l-or- 2-substituted l//-or-2i/-pyrano[4,3-c]pyrazole derivatives are described. J. Heterocyclic ...