An efficient and inexpensive method for the N-alkylation of pyrimidines using ammonium sulfate coated Hydro-Thermal-Carbone (HTC) (AS@HTC) as reused heterogeneous catalyst was developed. The catalyst was characterized by several analytical techniques such as SEM, XRD, and FTIR. The effect of various parameters was studied including catalyst loading, mole ratio, to achieve excellent selectivity and yields in 80–90%. Significantly, the present protocol offers the use of an inexpensive and environmentally friendly catalyst and simple workup. The simplicity of the procedure, excellent yield of the products, and the recyclability of the catalyst are the main advantages of this method. Ammonium sulfate coated Hydro-Thermal-Carbone (HTC) (AS@HTC); an efficient and reused heterogeneous catalyst of the N-alkylation of pyrimidines was developed. Excellent selectivity and yields (80–90%) toward N1-alkylpyrimidines were achieved. Significantly, the present protocol offers the use of an inexpensive and environmentally friendly catalyst and simple workup.
开发了一种利用
硫酸铵包覆的
水热碳(HTC)(AS@HTC)作为可重复使用的非均相催化剂,进行
嘧啶N-烷基化的有效且经济的方法。通过
SEM、XRD和FTIR等多种分析技术对催化剂进行了表征。研究了各种参数的影响,包括催化剂负载量、摩尔比,以实现80-90%的优异选择性和产率。值得注意的是,当前协议提供了使用廉价且环境友好的催化剂和简单后处理的优势。该方法的简单性、产品的优异产率以及催化剂的可回收性是其主要优点。
硫酸铵包覆的
水热碳(HTC)(AS@HTC);开发了一种高效且可重复使用的非均相催化剂,用于
嘧啶的N-烷基化。实现了对N1-烷基
嘧啶的优异选择性和产率(80-90%)。值得注意的是,当前协议提供了使用廉价且环境友好的催化剂和简单后处理的优势。