Canadian Journal of Chemistry

Derivatives of 2-pyrazolin-5-one. V. Preparation and properties of 1', 2'-dihydrospiro [[2] pyrazoline-4, 3'(4'H)-quinoline]-5-one. derivatives and related compounds

RT Coutts, AM El-Hawari

Index: Sabitha, Gowravaram; Satheesh Babu; Subba Reddy; Yadav Synthetic Communications, 1999 , vol. 29, # 24 p. 4403 - 4408

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Citation Number: 4

Abstract

... Page 9. 2864 CAN. .I. CHEM. VOL. 55, 1977 ... In some cases, the reaction mixture was con- centrated to about half its volume then diluted with water. ... Suitable reaction times were found to be 24 h when ethanol was the solvent, or 4-6 h when butan01 was employed. ...