申请人:JAPAN SCIENCE AND TECHNOLOGY AGENCY
公开号:US20170001960A1
公开(公告)日:2017-01-05
There are provided a compound capable of being a novel ligand allowing regioselective borylation to be performed in the aromatic borylation reaction, and a catalyst using the same compound. There is provided a bipyridyl compound represented by a general formula (
1
): (wherein A represents a single bond, a vinylene group or an ethynylene group;
X represents an oxygen atom or a sulfur atom;
n pieces of R
1
may be the same or different, and R
1
represents a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group, an optionally substituted alkoxy group, an optionally substituted aryloxy group, an optionally substituted amino group, a cyano group, a nitro group, or an alkoxycarbonyl group, or two adjacent R
1
may form a saturated or unsaturated ring structure optionally containing a hetero atom together with the carbon atoms bonded to the two R
1
;
R
2
represents a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted alkoxy group, or an optionally substituted aryloxy group; and
n represents a number of
1
to
4
).
提供了一种化合物,可以作为一种新型配体,在芳基硼化反应中实现区域选择性硼化,并提供了使用该化合物的催化剂。提供了一种由通式(1)表示的双吡啶化合物:(其中A代表单键、乙烯基或乙炔基;X代表氧原子或硫原子;n个R1可能相同或不同,R1代表氢原子、卤素原子、可选择取代的碳氢基团、可选择取代的烷氧基团、可选择取代的芳氧基团、可选择取代的氨基团、氰基、亚硝基或烷氧羰基,或者两个相邻的R1可能形成一个饱和或不饱和环结构,该环结构与两个R1键合的碳原子一起可能含有一个杂原子;R2代表氢原子、可选择取代的碳氢基团、可选择取代的烷氧基团或可选择取代的芳氧基团;n代表1到4的数字)。