Unsaturated Macrocyclic compounds—LII: The synthesis of 1, 8-diethynylinaphthalene and its oxidation to a conjugated fourteen-membered ring system
RH Mitchell, F Sondheimer
Index: Mitchell,R.H.; Sondheimer,F. Tetrahedron, 1968 , vol. 24, p. 1397 - 1405
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Citation Number: 35
Abstract
Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A seven step synthesis of 1,8-diethynylnaphthalene (IX) from naphthalic anhydride (I) is described. Oxidation of IX with oxygen, cuprous chloride and ammonium chloride gave the very unstable “cyclic dimer” (XX), containing a conjugated 14-membered ring.
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