Crown ethers with an azo or azoxy unit a
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Jolanta Szczygelska-Tao; Jan F. Biernat; Victor Ch. Kravtsov; Yurii A. Simonov
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Article
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1999
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Elsevier Science
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French
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13-Membered crown ethers bearing oxygen and sulfur atom(s) and an azo-or azoxy group in the macrocyele have been synthesized by reductive maerocyclization of dinitropedands. The structure of a 13-membered azoxydithiacrown ether has been studied by X-ray analysis. Preliminary studies of these compoun