Heterocycles. Part I. A new route to the synthesis of substituted 2-aminopyrimidines
作者:N. R. El-Rayyes
DOI:10.1002/jhet.5570190240
日期:1982.3
Heterocyclic aldehydes (A) reacted with alkyl aryl ketones (B) to give the corresponding 1,3-diaryl-2-propen-1-ones (Ia-1). Condensation of these chalcones with guanidine produced the corresponding 2-amino-4,6-diarylpyrimidines (IIa-1). The structure of all products was substantiated by chemical and spectroscopic methods.
Iron-Catalyzed Alkyne-Based Multicomponent Synthesis of Pyrimidines under Air
作者:Rakesh Mondal、Gargi Chakraborty、Amit Kumar Guin、Susmita Sarkar、Nanda D. Paul
DOI:10.1021/acs.joc.1c00867
日期:2021.10.1
An iron-catalyzed sustainable, economically affordable, and eco-friendly synthetic protocol for the construction of various trisubstitutedpyrimidines is described. A wide range of trisubstitutedpyrimidines were prepared using a well-defined, easy to prepare, bench-stable, and phosphine-free iron catalyst featuring a redox-noninnocent tridentate arylazo pincer under comparatively mild aerobic conditions
Synthesis, docking, machine learning and antiproliferative activity of the 6-ferrocene/heterocycle-2-aminopyrimidine and 5-ferrocene-1H-Pyrazole derivatives obtained by microwave-assisted Atwal reaction as potential anticancer agents
作者:Eclair Venturini Filho、Jorge W.S. Pina、Mariana K. Antoniazi、Laiza B. Loureiro、Marcos A. Ribeiro、Carlos B. Pinheiro、Celina J. Guimarães、Fátima C.E. de Oliveira、Claudia Pessoa、Alex G. Taranto、Sandro J. Greco
DOI:10.1016/j.bmcl.2021.128240
日期:2021.9
A simple and fast methodology under microwave irradiation for the synthesis of 2-aminopyrimidine and pyrazole derivatives using Atwal reaction is reported. After the optimization of the reaction conditions, eight 2-aminolpyrimidines containing ferrocene and heterocycles and three ferrocene pyrazoles were synthesized from the respective chalcones in good yields. Eight compounds had their structure determined
报道了一种在微波辐射下使用 Atwal 反应合成 2-氨基嘧啶和吡唑衍生物的简单快速方法。优化反应条件后,8个含二茂铁和杂环的2-氨基嘧啶类化合物和3个二茂铁吡唑类化合物均以良好的收率合成。八种化合物的结构由 X 射线衍射确定。在四种癌细胞系 HCT116、PC3、HL60 和 SNB19 上测试了分子杂交6a-h和9a-c,其中四种嘧啶6a、6f-h和一种吡唑9c衍生物显示出有希望的抗增殖活性。此外,还进行了对接模拟和机器学习方法来解释合成化合物所达到的生物活性。
Iron Catalyzed Synthesis of Pyrimidines Under Air
作者:Rakesh Mondal、Suman Sinha、Siuli Das、Gargi Chakraborty、Nanda D. Paul
DOI:10.1002/adsc.201901172
日期:2020.2.6
Herein we report an iron‐catalyzed multicomponent dehydrogenative functionalization of alcohols to pyrimidines under atmospheric conditions. Using a well‐defined Fe(II)‐complex featuring redox noninnocent 2‐phenylazo‐(1,10‐phenanthroline) ligand, as a catalyst, a wide array of 2,4,6‐trisubstituted pyrimidines were prepared via dehydrogenative coupling of primary and secondary alcohols with amidines
Metal-free cascade synthesis of unsymmetrical 2-aminopyrimidines from imidazolate enaminones
作者:Xue Cui、Jianting Ma、Tingting Zeng、Junyu Xu、Youbin Li、Xuesong Wang
DOI:10.1039/d1ra04319f
日期:——
metal-free synthesis of unsymmetrical 2-aminopyrimidines from imidazolate enaminones has been developed. In this procedure, various structural 2-aminopyrimidines, as well as 4,5-dihydroisoxazol-5-ols and pyrazoles were synthesized in moderate to excellent yields. A plausible mechanism was also proposed for the cascade reaction. This method represents an effective strategy towards the synthesis of unsymmetrical