Pd(<sc>ii</sc>)-catalyzed B(9)-alkynylation of o/m-carboranes

被引：1

作者：

Zhang, Hao-Tian ^{[1
]}

Gao, Yan ^{[2
]}

Ma, Yan-Na ^{[1
]}

Chen, Xuenian ^{[1
,2
]}

机构：

[1] Zhengzhou Univ, Coll Chem, Zhengzhou 450001, Henan, Peoples R China

[2] Henan Normal Univ, Sch Chem & Chem Engn, Henan Key Lab Boron Chem & Adv Energy Mat, Xinxiang 453007, Henan, Peoples R China

来源：

ORGANIC CHEMISTRY FRONTIERS | 2024年 / 11卷 / 23期

基金：

中国国家自然科学基金;

关键词：

O-CARBORANES; CLICK CHEMISTRY;

D O I：

10.1039/d4qo01428f

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Alkyne motifs are important building blocks in organic syntheses. Therefore, introducing alkynyl groups into molecules is highly desirable. Herein, we developed a Pd(II)-catalyzed selective B(9)-alkynylation of o-carboranes and m-carboranes with (Pr3SiCCBr)-Pr-i as the alkynylated reagent. Ratios of 6 : 1 for o-carboranes and >20 : 1 for m-carboranes were detected in this reaction. Desilylation of the resultant product affords carboranyl acetylene, which can undergo further transformation to provide a diverse range of functional carboranes.

引用

页码：6706 / 6711

页数：6

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