[Bmim]5[PNiW11O39]·3H2O an organic–inorganic hybrid as catalyst for one-pot pseudo-five-component synthesis of tetrazolyldiazepines
作者:Sajad Mousavifaraz、Zahra Nadealian、Valiollah Mirkhani、Abbas Rahmati
DOI:10.1007/s13738-017-1116-y
日期:2017.8
catalysts, [bmim]3[PW12O40]·3H2O and [bmim]5[PNiW11O39]·3H2O, have been prepared. The catalysts were fully characterized by several techniques such as elemental analyses, Fourier transform infrared spectroscopy, thermo-gravimetric analysis, scanning electron microscope and energy-dispersive X-ray analysis. Next, the hybrid catalysts have been used for the synthesis of functionalized diazepines containing
在本研究中,两个异构有机-无机混合催化剂,[BMIM] 3 [PW 12 ø 40 ]·3H 2 O和[BMIM] 5 [PNiW 11 ø 39 ]·3H 2 O,已经制备。催化剂通过多种技术进行了充分表征,例如元素分析,傅立叶变换红外光谱,热重分析,扫描电子显微镜和能量色散X射线分析。接下来,杂化催化剂已用于合成含有四唑环的官能化二氮杂pine。四唑-1 H以[bmim] 5 [PNiW 11 O 39 ]·3H 2 O为催化剂,可得到优异的收率和温和的实验条件,得到了-spiro [苯并[b]环戊达[e] [1,4]二氮杂卓产品。该方法是在环境温度下,通过1,2-二胺,异氰化物,TMSN3和两个分子的线性或环状酮在甲醇中通过一锅,拟五组分缩合反应进行的。