作者:Alan R. Katritzky、Sandeep K. Singh、Rong Jiang
DOI:10.1016/j.tet.2005.11.085
日期:2006.4
1-(2,2-Dichlorovinyl)benzotriazole (7) was prepared by the reaction of 1-formylbenzotriazole with PPh3/CCl4. Lithiation substitution of 7 with electrophiles gave a variety of functionalized N-(ethynyl)benzotriazoles 8a-h in 32-84% yields. (c) 2006 Elsevier Ltd. All rights reserved.