Enantioselective synthesis of C2 -symmetric spirobipyridine ligands through cationic Rh(I)/modified-BINAP- catalyzed double [2 + 2 + 2] cycloaddition.

Enantioselective synthesis of C2 -symmetric spirobipyridine ligands through cationic Rh(I)/modified-BINAP- catalyzed double [2 + 2 + 2] cycloaddition.
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通过阳离子 Rh(I)/修饰的 BINAP 催化双 [2 2 2] 环加成对映选择性合成 C2 对称螺联吡啶配体。

DOI:
10.1021/ol070129e
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发表时间:
2007
期刊:
影响因子:
5.2
通讯作者:
Ken Tanaka
Ken Tanaka
中科院分区:
化学1区
文献类型:
--
作者:
Azusa Wada;K. Noguchi;M. Hirano;Ken Tanaka

文献摘要

被引文献

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[结构:见正文]。通过阳离子铑(I)/(R)-Segphos或(R)-H8-BINAP配合物催化双二炔腈的不对称分子内双[2 + 2 + 2]环加成反应,高效合成了对映体富集的C2对称螺联吡啶配体.
[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.