126567-61-1Relevant articles and documents
Studies in Spiroheterocycles, Part XV. Investigation of the Reaction of 3-(2-Oxocycloalkylidene)-indol-2-ones with Thiourea and Urea Derivatives
Joshi, Krishna C.,Dandia, Anshu,Sanan, Sangeeta
, p. 1397 - 1400 (2007/10/02)
The reaction of 3-(2-oxocycloalkylidene)indol-2-one 1 with thiourea and urea derivatives has been investigated.Reaction of 1 with thiourea and urea in ethanolic potassium hydroxide media leads to the formation of spiro-2-indolinones 2a-f in 40-50percent y