Metal-Catalyzed Oxidative Cyclizations of <i>a</i>,<i>c</i>-Biladiene Salts Bearing 1- and/or 19-Arylmethyl Substituents: Macrocyclic Products and Their Chemistry
作者:Jack J. Lin、Kevin R. Gerzevske、Paul A. Liddell、Mathias O. Senge、Marilyn M. Olmstead、Richard G. Khoury、Brent E. Weeth、Stephanie A. Tsao、Kevin M. Smith
DOI:10.1021/jo9619138
日期:1997.6.1
copper(II) 20-(ethoxycarbonyl)-3-methylidene-2,3,7,8,12,13,17,18-octamethyl-2-(p-tolylmethyl)chlorin (44), copper(II) 20-(ethoxycarbonyl)-2-methylidene-2,3,7,8,12,13,17,18-octamethyl-3-(p-tolylmethyl)chlorin (45), and three porphyrins: copper(II) 20-(ethoxycarbonyl)-2,3,7,8,12,13,17,18-octamethylporphyrin (3), copper(II) 2,3,7,8,12,13,17,18-octamethyl-20-p-tolylporphyrin (50), and copper(II) 20-(ethoxycarbonyl)-2
制备了几种1-单-和1,19-双(对-芳甲基)-a,c-胆二烯盐,并进行了铜(II)-或铬(III)辅助的氧化环化反应,得到了许多产物,其中将1-或19-取代基适应,消除或重排至四吡咯上的其他点。例如,使用19-(((乙氧羰基)甲基)-2,3,7,8,12,13,17,18-八甲基-19-(对甲苯基甲基)-a,c-的乙酸铜(II)进行环化biladiene dihydrobromide(25)生成铜(II)20-((乙氧羰基)甲基)-1-(对甲苯基甲基)-2,3,7,8,12,13,17,18-八甲基-1,20-二氢卟啉(42),铜(II)20-(乙氧羰基)-3-亚甲基-2,3,7,8,12,13,17,18-八甲基-2-(对甲苯基甲基)二氢卟酚(44),铜(II)20-(乙氧羰基)-2-亚甲基-2,3,7,8,12,13,17,18-八甲基-3-(对甲苯基甲基)二氢卟酚(45)和三种卟啉:铜(II