volume 55, issue 3, P809-818 1990
DOI: 10.1135/cccc19900809
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Abstract: Reaction of bis(2-chloroethyl) ether (II) with triethyl phosphite afforded diethyl 2-chloroethoxyethylphosphonate (III). This compound reacts with sodium salts of heterocyclic bases to give diethyl esters of N-(2-(2-phosphonylethoxy)ethyl) derivatives of purine and pyrimidine bases IV. Compounds IV on reaction with bromotrimethylsilane and subsequent hydrolysis were converted into N-(2-(phosphonylethoxy)ethyl) derivatives IV.