Sulfamic Acid: An Efficient, Cost-Effective, and Reusable Solid Acid Catalyst for the Synthesis of 1,8-Naphthyridines Under Solvent-Free Heating and Microwave Irradiation
作者:Y. Thirupathi Reddy、P. Raghotham Reddy、M. Nikhil Reddy、B. Rajitha、Peter A. Crooks
DOI:10.1080/00397910802109281
日期:2008.8.29
Abstract An efficient and convenient method is described for the synthesis of 1,8-naphthyridines in excellent yields by condensation of 2-aminonicotinaldehyde with various active methylene compounds in the presence of sulfamic acid as the catalyst in a solvent-free media using both conventional heating and microwave irradiation.
摘要 描述了一种高效、方便的方法,通过 2-氨基烟醛与各种活性亚甲基化合物在氨基磺酸作为催化剂的情况下,在无溶剂介质中使用常规加热进行缩合,以优异的收率合成 1,8-萘啶。和微波辐射。