Three-Component Coupling Strategy for Expeditious Synthesis of 4-Aminobenzoxazinones on Mineral Support
作者:Lal Dhar Yadav、Ritu Kapoor
DOI:10.1055/s-2005-921921
日期:——
Novel montmorillonite K-10 clay supported three-component reactions of substituted salicylaldehydes, N-substituted ureas/carbamates and ammonium acetate or an amine expeditiously yield 3,4-dihydro-4-amino-2H-benz[e]-1,3-oxazin-2-ones via cycloisomerization of intermediate aldimines under solvent-free microwave irradiation in a one-pot procedure.
新型蒙脱石 K-10 粘土支持取代水杨醛、N-取代脲/氨基甲酸酯和乙酸铵或胺的三组分反应,可迅速生成 3,4-二氢-4-氨基-2H-苯 [e]-1,3-在一锅法中,在无溶剂微波辐射下通过中间体醛亚胺的环异构化来制备恶嗪-2-酮。