Microwave-Assisted Alkylation of [CB11H12]- and Related Anions

被引:27
作者
Valasek, Michal [1 ]
Stursa, Jan [1 ]
Pohl, Radek [1 ]
Michl, Josef [1 ,2 ]
机构
[1] Acad Sci Czech Republic, Inst Organ Chem & Biochem, CR-16610 Prague 6, Czech Republic
[2] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA
关键词
WEAKLY COORDINATING ANIONS; RADICAL POLYMERIZATION; CHEMISTRY; CARBORANES; LICB11ME12;
D O I
10.1021/ic101234p
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A total of 19 permethylated derivatives of substituted [CB11H12](-) anions have been prepared using alkylation with microwave assistance. The reactions proceed much faster and more cleanly than under ordinary conditions. Microwave assistance is especially convenient for the permethylation of carborane anions carrying electron-withdrawing groups in positions 1 and/or 12. Even [1-F-CB11H11](-) can be undecamethylated, whereas under ordinary heating, it has only been hexamethylated.
引用
收藏
页码:10247 / 10254
页数:8
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