Abstract
With the use of the TiCl 3H 2O 2 radical-generating method within a continuous-flow system at ca. 25°C, a comprehensive EPR study of the radicals formed from acrylonitrile, methacrylonitrile, crotononitrile, and hydracrylonitrile has been carried out. The substituted ethylenes were also studied in a like fashion with the use of the TiCl 3H 2O 2CH 3OH radical-generating method. There have been a number of analogous investigations of these same substrates by other workers. In comparison with these, the study described here was more comprehensive and yielded superior spectroscopic resolution. Consequently, in some instances, the present study has shown substrates to yield radicals not characterized before and radicals previously reported to possess so far undetected couplings.
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