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Novel 1, 4-disubstituted adamantane stereoisomers: Synthesis and spectroscopic

A series of new 1, 4-disubstituted adamantane derivatives [e.g., 1-chloro-4-(carbethoxymethylene)adamantane (3), 1-chloro-4-(carbethoxymethyl)adamantane (4), 1-chloro-4-(2-hydroxyethyl)adamantane (5), 1-chloro-4-(2-bromoethyl)adamantane (6), 1-bromo-4-(2-bromoethyl)adamantane (7), 1-hydroxy-4-(carbethoxymethylene)adamantane (8), 1-hydroxy-4-(carbethoxy methyl)adamantane (9), 1-acetoxy-4-(carbethoxymethyl)adamantane (10), 1-hydroxy-4-(2-hydroxyethyl)adamantane (11), 1-hydroxy-4-cyanoadamantane (12), 1-hydroxy-4-carboxyadamantane (13), and 1-hydroxy-4-carbmethoxyadamantane (14)] have been synthesized, and their respective syn- and anti-isomers have been separated and identified.

Adamantane; 1; 4-disubstituted adamantane derivative; Syn-/anti-isomers

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