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A series of structurally related dibenzo‐15‐crown‐5, dibenzo‐18‐crown‐6, and dibenzo‐21‐crown‐7 compounds with oxymethylacetoxy side arms is synthesized by reaction of the corresponding crown ether alcohols with potassium hydride and bromoacetic acid. Multi‐step synthetic routes to the crown ether alcohol precursors are reported.
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Kim et al. (1998) studied this question.
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