尼希希烷基-芳基交叉偶联反应的铑催化：新型三齿 3-二苯基膦基-2-(二苯基膦基)甲基-2-甲基丙基乙酸酯配体的效率。
Negishi alkyl-aryl cross-coupling catalyzed by Rh: efficiency of novel tripodal 3-diphenylphosphino-2-(diphenylphosphino)methyl-2-methylpropyl acetate ligand.
机构信息
Department of Chemistry, Faculty of Science, Okayama University, Tsushima-Naka, Okayama 700-8530, Japan.
出版信息
Org Lett. 2010 Apr 16;12(8):1692-5. doi: 10.1021/ol100210u.
PMID:20225837
Abstract
3-Diphenylphosphino-2-(diphenylphoshino)methyl-2-methylpropyl acetate acted as an efficient ligand for a Rh catalyst, achieving cross-coupling between arylzinc compounds bearing electron-withdrawing groups and alkyl electrophiles. The beneficial effect of the tripodal ligand and such aryl nucleophiles was discussed with regard to the specificity of the Rh catalysis.
摘要
3-二苯基膦基-2-(二苯基膦基甲基)-2-甲基丙基乙酸酯作为一种有效的 Rh 催化剂配体，实现了带有吸电子基团的芳基锌化合物和烷基亲电试剂之间的交叉偶联。讨论了三脚架配体和这种芳基亲核试剂的有益效果，以及它们对 Rh 催化的特异性的影响。
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