Regioselective mono-aza-Michael additions of divinyl ketones with 3-(arylimino)indolin-2-ones: Synthesis of N-enone-functionalized 3-(arylimino)indolin-2-ones
作者:Xiao Chen、Zheng Li
DOI:10.1177/1747519820920179
日期:2020.11
Selective mono-aza-Michael additions of divinyl ketones with 3-(arylimino)indolin-2-ones in the presence of cesium carbonate are described. N-Enone-functionalized 3-(arylimino)indolin-2-ones were efficiently synthesized in satisfactory yield. The salient features of this protocol are high regioselectivity, high yield, and mild conditions.
Mass spectral fragmentation and rearrangement of isatin derivatives
作者:Norton P. Peet、Robert J. Barbuch
DOI:10.1002/oms.1210190405
日期:1984.4
AbstractMass spectral fragmentation pathways were formulated for 1‐alkylisatins, 1‐alkyl‐3‐arylimino‐2‐indolinones and 3‐arylimino‐2‐indolinons bearing no substituent at the 1‐position. Deuterium‐labelled and 13C‐labelled compounds were utilized in this study. An interesting rearrangement of the 1‐alkyl compounds, in which the 1‐alkyl substituent is incorporated into a fulvene ion, was established.
Banerji; Lai; Basak, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2005, vol. 44, # 2, p. 426 - 429
作者:Banerji、Lai、Basak、Neuman、Prange、Chatterjee
DOI:——
日期:——
Catalyst‐free straightforward synthesis of 3‐cyano‐3‐arylamino‐2‐oxindoles through hydrocyanation with benzoyl cyanide
作者:Xiao Chen、Zheng Li
DOI:10.1002/jhet.3809
日期:2020.2
The effective hydrocyanation of 3‐(arylimino)indolin‐2‐ones with benzoyl cyanide under catalyst‐free condition at room temperature to synthesize 3‐cyano‐3‐arylamino‐2‐oxindoles is described. This protocol benefits from low toxicity, inexpensive, and easy‐to‐handle cyanating agent, no catalysts, no additives, mild conditions, good substrate tolerance, and simple work‐up procedure. This reaction successfully