作者:Saleh, Ebraheem Abdu Musad、Abdullah, Bashar Mudhaffar、Mohammed, Hala Kh.、Kassem, Asmaa F.、Sapaev、Ghildiyal, Pallavi、Hamoody, Abdul-hameed. M.、Alawadi, Ahmed、Altimari, Usama S.、Nejad, Maryam Sadat Ghorayshi
DOI:10.1007/s11164-024-05290-w
日期:——
dual-functional Brønsted acidic ionic liquid (BAIL) catalyst, namely 1,3-(4,4'-dipyridinium disulfonic acid)propane dimethanesulfonate (DPDSPDM), was produced, and its structure was identified using TGA, FT-IR, 13C NMR, 1H NMR, and mass spectrometry techniques. Then, it was utilized as a versatile, homogeneous, and recyclable catalyst in preparing N,N'-Methylene bisamides (1a-14a, 5–13 min, 90–98%
本文制备了双功能布朗斯台德酸性离子液体(BAIL)催化剂,即1,3-(4,4'-二吡啶鎓二磺酸)丙烷二甲磺酸盐(DPDSPDM),并通过TGA、FT对其结构进行了鉴定。 -IR、 13 C NMR、 1 H NMR 和质谱技术。然后,它被用作制备 N,N'-亚甲基双酰胺(1a-14a,5-13 分钟,90-98%,50 °C,无溶剂)、四氢色烯-色烯的多功能、均质且可回收的催化剂。 (1b-12b,8–20 分钟,91–98%,60 °C,无溶剂)和吡啶并二嘧啶(1c-12c,2–5 分钟,93–98%,25 °C,H 2 O)。在这三种合成路线中,由于具有碱性(MeSO 3 ˉ)和酸性(SO 3 H)位点,DPDSPDM的催化活性范围显着且普遍,合理的机理为:显示支持这种高性能。这种均相催化剂的重现性以及诸如适当的 TOF(周转频率)和 TON(周转数)值、温和的条件、后处理简单、反应时