Sc(OTf)3-catalyzed, solvent-free domino synthesis of functionalized pyrazoles under controlled microwave irradiation
作者:Kumkum Kumari、Dushyant Singh Raghuvanshi、Viatcheslav Jouikov、Krishna Nand Singh
DOI:10.1016/j.tetlet.2011.12.094
日期:2012.2
An efficient, rapid, and green synthesis of functionalized pyrazoles has been accomplished under solvent-free conditions by the reaction of phenyl hydrazine, aldehydes and ethyl acetoacetate. This approach exploits the synthetic potential of microwave irradiation and scandium triflate combination and offers many advantages such as excellent product yields, shorter reaction time, easy isolation of products
通过苯肼,醛和乙酰乙酸乙酯的反应,在无溶剂条件下完成了功能化吡唑的高效,快速和绿色合成。这种方法利用了微波辐射和三氟甲磺酸scan结合的合成潜力,并提供了许多优势,例如出色的产品收率,较短的反应时间,易于分离的产品以及对环境无害的反应条件。