作者:Tomasz Fekner、Helge Müller-Bunz、Patrick J. Guiry
DOI:10.1021/ol062023+
日期:2006.10.1
A practical synthesis of potentially tridentate P,N,N-ligands containing two stereogenic elements incorporated into the axially chiral Quinazolinap and centrally chiral 2-oxazoline subunits is reported. The application of these novel hybrid ligands in Pd(0)-catalyzed asymmetric allylic alkylation revealed the matched and mismatched diastereomer, dominant stereogenic element, as well as the effect of
报道了一种实用的潜在的三齿P,N,N-配体的合成,该配体包含结合到轴向手性喹唑啉酮和中心手性2-恶唑啉亚基中的两个立体生成元素。这些新颖的杂化配体在Pd(0)催化的不对称烯丙基烷基化反应中的应用揭示了匹配和不匹配的非对映异构体,占主导地位的立体异构元素,以及恶唑啉R取代基对对映体选择性的影响(ee高达81%) 。[结构:见文字]