A union of multi-component reactions to construct pyrazole- and pyranopyrazole-adorned 4H-chromene from simple reactants in water at RT is reported. 2 distinct four-component reactions occur transiently to form 4 new heterocycles via 10 covalent bonds in a single step.
报道了一种多组分反应联合,可以在室温下在水中从简单的反应物构建装饰有吡唑和吡喃吡唑的4H-色烯。2种不同的四组分反应会瞬时发生,通过单步反应形成4个新的杂环,共形成10个共价键。