5) In this paper, we have explored the research on the assembly of cycloalkanes with BIS crown ether as the main body, and successfully synthesized [3] cycloalkanes with BIS crown ether (H1) as the main body and 1,2-bis (4,4-bipyridine) ethane (C1) as the object, and studied the influence of C1 on the UV absorption of H1.
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