84584-97-4Relevant academic research and scientific papers
A general and convenient palladium-catalyzed synthesis of benzylideneindolin-3-ones with formic acid as the CO source
Li, Rui,Qi, Xinxin,Wu, Xiao-Feng
, p. 6905 - 6908 (2017)
A general and convenient palladium-catalyzed carbonylative synthesis of 2-benzylideneindolin-3-ones from 2-iodoanilines and arylacetylenes has been developed. With formic acid as the CO source and Ac2O as the activator, a variety of 2-benzylideneindolin-3-ones were obtained in good to excellent yields with exceptional functional group tolerance.
Methylation of 2-Benzylideneindoline-3-one
Tomchin,Marysheva
, p. 1181 - 1185 (2007/10/03)
Methylation of 2-benzylideneindolin-3-one yields corresponding N-methyl derivative as a mixture of Z and E isomers, the former (with trans arrangement of the phenyl group with respect to carbonyl) prevailing. In addition, spirocyclic compounds are formed, previously reported 1,1″-dimethyl-3′,4′-diphenyl-dispiro[indoline-2, 1′-cyclobutane-2′,2″-indoline]-3,3″-dione and hitherto unknown 8b-methoxy-1′-methyl-2,3-diphenyl-1,2,3,8b-tetrahydrocyclopenta[b]indole- 1-spiro-2′-indolin-3′-one. Thus, a new cyclization of 2-arylmethyleneindolin-3-ones with formation of a cyclopentane ring has been revealed.
PHOTOISOMERIZATION OF α,β-UNSATURATED NITRO COMPOUNDS OF THE INDOLE SERIES TO ALKYLIDENE DERIVATIVES OF 2- AND 3-OXOINDOLINES
Velezheva, V. S.,Yaroslavskii, I. S.,Suvorov, N. N.
, p. 2129 - 2136 (2007/10/02)
Under the influence of UV light the E isomers of 1-(2-indolyl)- and 1-(3-indolyl)-2-nitropropenes change into the Z isomers, which are then converted into the 2-hydroxyiminopropylidene derivatives of 2- and 3-oxoindoline.The 2-hydroxyimino-2-methoxycarbon
