121883-04-3Relevant articles and documents
Reaction of Trialkyl Phophites with 2-Oxo-indolin-3-ylidene Derivatives: Formation of Stable Zwitterions
Bansal, R. K.,Sharma, Diwakar,Jain, Jainendra K.
, p. 610 - 612 (2007/10/02)
Trialkyl phosphites and 2-oxo-indoline-3-ylideneacetophenones react in dichlormethane at ambient temperature to form quite stable zwitter ions, which do not show any tendency either to change into the trialkylphosphonium ylids or cyclic oxyphosphoranes as