Metal-free and efficient approach to 4-thiocyanated 2H-chromenes via TFA-mediated cascade cyclization of 2-propynolphenols

Tao Yang,Xian-Rong Song,Ren Li,Fengyan Jin,Yuxing Zhang,Jiang Bai,Ruchun Yang,Haixin Ding,Qiang Xiao

Tetrahedron Letters（2019）

引用 12|浏览4

暂无评分

摘要

•TFA mediated synthesis of 4-thiocyanated 2H-chromenes in good to excellent yields.•The 4-thiocyanated 2H-chromenes are versatile intermediates in organic synthesis.•This approach can be enlarged to gram scale.•This process involves a SCN-containing alleneyl intermediate through SN1 way.

查看译文

关键词

2-Propynolphenols,4-Thiocyanated 2H-chromenes,TFA-mediated,Cascade cyclization

AI 理解论文

溯源树

样例

生成溯源树，研究论文发展脉络

Chat Paper

正在生成论文摘要