通过阳离子铑（I）/修饰的联萘二苯基膦催化的双[2 + 2 + 2]环加成反应对C2对称的螺双吡啶配体进行对映选择性合成。
Enantioselective synthesis of C2 -symmetric spirobipyridine ligands through cationic Rh(I)/modified-BINAP- catalyzed double [2 + 2 + 2] cycloaddition.
作者信息
Wada Azusa, Noguchi Keiichi, Hirano Masao, Tanaka Ken
机构信息
Department of Applied Chemistry, Graduate School of Engineering, and Instrumentation Analysis Center, Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan.
出版信息
Org Lett. 2007 Mar 29;9(7):1295-8. doi: 10.1021/ol070129e. Epub 2007 Mar 8.
PMID:17343391
Abstract
[structure: see text]. Enantioenriched C2-symmetric spirobipyridine ligands were efficiently synthesized through a cationic rhodium(I)/(R)-Segphos or (R)-H8-BINAP complex-catalyzed enantioselective intramolecular double [2 + 2 + 2] cycloaddition of bis-diynenitriles.
摘要
[结构：见原文]。对映体富集的C2对称螺双吡啶配体通过阳离子铑（I）/（R）-Segphos或（R）-H8-BINAP配合物催化的双二炔腈的对映选择性分子内双[2 + 2 + 2]环加成反应高效合成。
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