Co-Authors:
Rosenthal, I., Chemistry Department, Nuclear Research Center-Negev, Beer-Seva, Israel, Volcani Institute of Agricultural Research, Department of Technology, P.O. Box 6, Bet-Dagan, Israel
Faraggi, M., Chemistry Department, Nuclear Research Center-Negev, Beer-Seva, Israel
Abstract:
The efficiency of the radiation-induced cleavage of the four stereoisomers of 1,3-dimethyluracil cyclobutane-type dimers is dependent on their stereochemistry. In slightly acid solutions for each electron donor, eaq- or CO2- two monomers are formed. In alkaline solutions, the cleavage of cis,syn and cis,anti dimers occurs via a chain mechanism. In pulse radiolysis the dimers behave similarly to the monomer. © 1980 American Chemical Society.
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