Chan–Lam cross-coupling reactions promoted by anionic copper(I)/iodide species with cationic methyl-((pyridinyl)-pyrazolyl)pyridin-1-ium
作者:Jiang-Yan Xue、Jun-Chi Li、Hong-Xi Li、Hai-Yan Li、Jian-Ping Lang
DOI:10.1016/j.tet.2016.09.032
日期:2016.11
4)-(3-(pyridin-2-yl)-1H-pyrazol-1-yl)pyridin-1-ium iodide ([2,3′-pypzpym]I, [2,4′-pypzpym]I) are prepared. Reaction of CuI with [3,2′-pypzpym]I affords a mononuclear complex [CuI2(3,2′-pypzpym)] (1) and a one-dimensional coordination polymer [(Cu4I6)(3,2′-pypzpym)2]n (2). Analogous reactions of CuI with [4,2′-pypzpym]I, [2,3′-pypzpym]I or [2,4′-pypzpym]I yield [Cu4I6(4,2′-pypzpym)2] (3), [CuI2(2,3′-pypzpym)]
四个阴离子配体,包括1-甲基-3(或4)-(1-(吡啶-2-基)-1 H-吡唑-3-基)吡啶-1-碘化碘([3,2'-pypzpym] I ,[4,2'-pypzpym] I)和1-甲基-3(或4)-(3-(吡啶-2-基)-1 H-吡唑-1-基)吡啶-1-碘化物([制备2,3'-pypzpym] I,[2,4'-pypzpym] I)。CuI与[3,2'-pypzpym] I反应可得到单核络合物[CuI 2(3,2'-pypzpym)](1)和一维配位聚合物[(Cu 4 I 6)(3,2 ′-pypzpym)2 ] n(2)。CuI与[4,2'-pypzpym] I,[2,3'-pypzpym] I或[2,4'-pypzpym] I的类似反应产生[Cu 4 I 6(4,2'-pypzpym)2](3),[CuI 2(2,3'-pypzpym)](4)和[CuI 2(2,4'-pypzpym)](5)。相对于的CuI,复合物1