Lu YL, Sun J, Xie YJ, Yan CG. Molecular diversity of the cyclization reaction of 3-methyleneoxindoles with 2-(3,4-dihydronaphthalen-1(2H)-ylidene)malononitriles.
RSC Adv 2016. [DOI:
10.1039/c6ra00476h]
[Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The cyclization reaction of 3-methyleneoxindoles with 2-(3,4-dihydronaphthalen-1(2H)-ylidene)malononitrile in ethanol in the presence of DBU at room temperature afforded functionalized 3′-iminospiro[indoline-3,2′-phenanthrenes] in good yields.
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