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Convenient Synthesis of Triphenylphosphanylidene Spiro[cyclopentane-1,3′-indolines] and Spiro[cyclopent[2]ene-1,3′-indolines] via Three-Component Reactions

✍ Scribed by Han, Ying; Sheng, Yin-Jian; Yan, Chao-Guo

Book ID: 121873221
Publisher: American Chemical Society
Year: 2014
Tongue: English
Weight: 459 KB
Volume: 16
Category: Article
ISSN: 1523-7060
DOI: 10.1021/ol5008394

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## Abstract magnified image A novel, clean, one‐pot and three‐component synthesis of new spiro[chromeno[2,3‐__d__]pyrimidine‐5,3′‐indoline]‐2′,6(7__H__)‐diones and spiro[chromeno[2,3‐__c__]pyrazole‐4,3′‐indoline]‐2′,5(6__H__)‐diones via cyclo‐condensation reaction of isatins, 1,3‐cyclohexadiones, a