Catalytic site-specific and regioselective (3+2) transannulations between 1,2,3-thiadiazoles and allenoates

被引：8
作者：
Chen, Cunzhi [1 ]
Fang, Shuyan [1 ]
Yu, Mingwu [2 ]
Xu, Jiaxi [1 ]
Yang, Zhanhui [1 ]
机构：
[1] Beijing Univ Chem Technol, Coll Chem, Dept Organ Chem, Beijing 100029, Peoples R China
[2] Ludong Univ, Sch Chem & Mat Sci, Yantai 264025, Shandong, Peoples R China
来源：
ORGANIC CHEMISTRY FRONTIERS | 2023年 / 10卷 / 03期
基金：
中国国家自然科学基金;
关键词：
ALKENES; ALLENES;
D O I：
10.1039/d2qo01662a
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Allenoates, a type of perpendicularly "strained" surrogate of alkynes, readily transannulate, site-specifically and regio-selectively, with 1,2,3-thiadiazoles in the presence of catalytic Rh(i)/bisphosphine, producing tetrasubstituted thiophenes in a redox-neutral manner. 1,2,3-Thiadiazoles act as masked 1,3-dipoles with nucleophilic sulfur and electrophilic carbon termini.
引用
收藏
页码：661 / 667
页数：7
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