作者:J.-P. Finet、A. Yu. Fedorov
DOI:10.1023/b:rucb.0000046245.89207.5c
日期:2004.7
Eight new pentavalent organobismuth derivatives were synthesized by the reactions of triphenylbismuth or phenyl-2,2"-biphenylenebismuth with chiral (1R)-(–)-camphor-10-sulfonic, (–)-menthyloxyacetic, or (R)-3-phenylbutyric acids. Enantioselective C-arylation of enolizable substrates with organobismuth reagents was carried out for the first time. Unlike iodine, sulfur, and selenium derivatives, which
通过三苯基铋或苯基-2,2"-亚联苯基铋与手性 (1R)-(-)-樟脑-10-磺酸、(-)-薄荷氧基乙酸或 (R)-3- 反应合成了八种新的五价有机铋衍生物苯基丁酸。首次使用有机铋试剂对可烯醇化底物进行对映选择性 C-芳基化。与碘、硫和硒衍生物不同,碘、硫和硒衍生物含有五元杂环,包括 2,2"-亚联苯基片段,苯基-2 ,2"-联亚苯基有机铋类似物进入 C-芳基化反应,伴随着选择性地将苯基转移到有机底物上。