Chemical Reaction of Electron Donor-Acceptor System: Reaction Mechanism of the Tricyanovinylation Reaction of N,N-Dimethylaniline with Tetracyanoethylene

Abstract
The decay of the charge-transfer (CT) absorption band in the tricyanovinylation reaction of N,N-dimethylaniline (DMA) with tetracyanoethylene (TCNE) in 1,2-dichloroethane was followed by the electronic absorption measurement. Primary hydrogen isotope effect was observed for the decay of the CT-band in line with the mechanism: