UNSATURATED MACROCYCLIC COMPOUNDS. XXIV. 1 SYNTHESIS OF FOUR COMPLETELY CONJUGATED SIXTEEN-MEMBERED RING CYCLIC SYSTEMS

F Sondheimer, Y Gaoni

文献索引：Sondheimer,F.; Gaoni,Y. Journal of the American Chemical Society, 1961 , vol. 83, p. 4863 - 4864

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被引用次数: 38

摘要

Reaction of trans-l, 4-dibromo-2-butene with ah excess of ethynylmagnesium bromide in tetrahydrofuran in the presence of cuprous chloride yielded besides other products3 ca. 25% of trans-4-octene-1, 7-diyne (I)[mp 15", bp 59-60'(25 mm.), nl9~ 1.4718; CsHs (found: C, 92.28; H, 7.80; act. H, 2.01); no high-intensity absorption