Spiro-Fused (C2)-Azirino-(C4)-pyrazolones, a New Heterocyclic System. Synthesis, Spectroscopic Studies and X-ray Structure Analysis1

W Holzer, RM Claramunt…

文献索引：Chantegrel, Bernard; Nadi, Abdel-Ilah; Gelin, Suzanne Synthesis, 1983 , # 10 p. 844 - 845

全文：HTML全文

被引用次数: 26

摘要

... We have presented the straightforward synthesis of a variously substituted new spiro-heterocyclic system of type 4 starting from easily available 4-acylpyrazolones 2. Key ... stirring, to a suspension of 2-benzyl-1,2-dihydro-5-methyl-3H-pyrazol-3-one (1g) 44 (1.882 g, 10 mmol) and ...