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Reaction of adenine with propylene oxide and styrene oxide was found to give 9-(2-hydroxypropyl)- and 9-(2-hydroxyphenethyl)adenine, respectively. N-carboxyethylated uracil, thymine and cytosine were prepared by allowing to react the corresponding pyrimidines with propiolactone.
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Kondo et al. (1973) studied this question.
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