申请人:General Electric Company
公开号:US07989476B2
公开(公告)日:2011-08-02
Compound of formula C is made by reacting a compound of formula A with an pyridyl boronic acid or pyridyl borate ester to form a compound of formula B; and
combining the compound of formula B with a pyridyl dihalide to form the compound of C;
wherein
R3, R4, R5, R6 and R7 are, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical;
X is, independently at each occurrence, CH or N;
Y is chloro or bromo;
Z is bromo or iodo; and when Y is bromo, Z is iodo;
d, e, and g are, independently at each occurrence, an integer ranging from 0-4;
f is an integer ranging from 0-2; and
h is an integer ranging from 0-3.
化合物C的配方由配方A的化合物与吡啶基硼酸或吡啶基硼酸酯反应形成配方B的化合物;并将配方B的化合物与吡啶二卤化物结合形成化合物C;其中R3,R4,R5,R6和R7在每次出现时独立地是C1-C20脂肪基,C3-C20芳香基或C3-C20环烷基;X在每次出现时独立地是CH或N;Y是氯或溴;Z是溴或碘;当Y是溴时,Z是碘;d,e和g在每次出现时独立地是0-4的整数;f是0-2的整数;h是0-3的整数。