Conclusions
The optical antipodes of N-p-[di-(2-chloroethyl)amino]phenacetylvaline, methionine, and alanine were obtained by the acid chloride and N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline methods; the carbodiimide method and the activated cyanomethyl ester method give significant or complete racemization.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 891–894, April, 1976.
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Klyukene, R.B., Karpavichyus, K.I. & Kil'disheva, O.V. Synthesis of optical antipodes of N-p-[di-(2-chloroethyl)amino]phenacetylamino acids. Russ Chem Bull 25, 870–872 (1976). https://doi.org/10.1007/BF00922399
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DOI: https://doi.org/10.1007/BF00922399