TY - JOUR AU - Yan, Yan-Mei; Li, Hao-Yang; Zhang, Min; Wang, Rong-Xin; Zhou, Chen-Guang; Ren, Zhen-Xing; Ding, Ming-Wu TI - One-Pot Synthesis of [1,2,3]Triazolo[1,5-a]quinoxalin-4(5H)-ones by a Metal-Free Sequential Ugi-4CR/Alkyne–Azide Cycloaddition Reaction SN - 0936-5214 SN - 1437-2096 PY - 2020 JO - Synlett JF - Synlett LA - EN VL - 31 IS - 01 SP - 73 EP - 76 ET - 2019/11/25 DA - 2019/12/13 KW - one-pot KW - metal-free KW - [1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-one KW - Ugi reaction KW - alkyne–azide cycloaddition reaction AB - A convenient and one-pot approach to prepare [1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-ones by a metal-free sequential Ugi-4CR/alkyne–azide cycloaddition reaction has been developed. The reaction of 2-azidobenzenamines, aldehydes, propiolic acids, and isocyanides produced the Ugi adducts, which were transformed to the [1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-ones in moderate to good yields via alkyne–azide cycloaddition reaction. PB - © Georg Thieme Verlag DO - 10.1055/s-0037-1610737 UR - http://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-0037-1610737 ER -