Chemistry of Heterocyclic Compounds p. 1308 - 1313 (1982)
Update date:2022-08-04
Topics:
Poritere, S.E.
Shluke, Ya.Ya.
Lidak, M.Yu.
Kilevitsa, M.K.
A general method for the synthesis of optically active 9-purinyl-α-amino acids by condensation of 5-amino-4,6-dichloropyrimidine with α,ω-diamino carboxylic acids and subsequent cyclization of the Nω-(5-amino-4-chloro-6-pyrimidinyl)-amino acids with triethyl orthoformate was developed.A number of 6-substituted α-amino-ω-(9-purinyl)carboxylic acids were obtained by nucleophilic substitution of the chlorine atom in the α-amino-ω-(6-chloro-9-purinyl)carboxylic acids.
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