Synthesis of 5H-spiro[furan-2,2′-indene]-1′,3′,5-triones from tetrahydro-4-oxoindeno[1,2-b]pyrroles

Heterocyclic communications

article

Mohammad Piltan¹ 

[1] Department of Chemistry, Faculty of Science, Sanandaj Branch, Islamic Azad University

关键词: amines;    dialkyl acetylenedicarboxylates;    2(5H)-furanones;    ninhydrin;   

DOI  :  10.1515/hc-2017-0250

学科分类：内科医学

来源: De Gruyter

【 摘 要 】

A simple approach to assembling of functionalized spiro-butenolide-indenetriones from oxoindeno[1,2- b ]pyrrole derivatives in the presence of H 2 SO 4 is described. Simplicity of the procedure, short reaction time and excellent yields are important features of this protocol.

【 授权许可】

CC BY|CC BY-NC-ND