Preparation of 1,4-Cycloalkanediones by Hypoiodite Oxidation of Cycloalkanols
作者:Takasi Mori、Kiyohide Matsui、Hitosi Nozaki
DOI:10.1246/bcsj.43.231
日期:1970.1
Lead tetraacetate oxidation of 11, 12 and 13-membered cycloalkanols gives improved yields of 2,5-polymethylenetetrahydrofurans II in the presence of iodine. Oxidative cleavage of II furnishes 1,4-cycloalkanediones VII.
在碘存在下,11、12 和 13 元环烷醇的四乙酸铅氧化提高了 2,5-聚亚甲基四氢呋喃 II 的产率。II 的氧化裂解提供 1,4-环烷二酮 VII。
Synthesis of some medium- and large-ring cycloalk-2-ene-1,4-diones by intramolecular coupling of αω-bis-diazoketones
作者:Sunanta Kulkowit、M. Anthony McKervey
DOI:10.1039/c39780001069
日期:——
In the presence of Cu(acac)2(Hacac = acetylacetone) someαω-bis-diazoketones couple intramolecularly with loss of nitrogen giving cycloalk-2-ene-1,4-diones; the enediones can be converted into fused ring cyclopentenones by successive treatment with sodium dithionite and sodium hydroxide.