‘meta-Wurster's crowns’: The synthesis a
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John W. Sibert; Daniel J. Seyer; Greg R. Hundt
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Article
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2002
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Elsevier Science
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English
⚖ 297 KB
meta-Wurster's crowns are a new class of hosts that incorporate the meta-phenylenediamine moiety within a macrocyclic framework. We have used a Pd-catalyzed amination procedure in the synthesis of representative m-Wurster's crown members containing aza-12-crown-4, aza-15-crown-5 and aza-18-crown-6 m