Diastereoselective [4+3] Cycloadditions of Enantiopure Nitrogen-Stabilized Oxyallyl Cations
作者:David I. MaGee、Edouard Godineau、Paul D. Thornton、Michael A. Walters、Deborah J. Sponholtz
DOI:10.1002/ejoc.200600226
日期:2006.8
Diastereoselective trapping of chiral enantiopure oxyallyl cations by common dienes is reported. Excellent diastereoselectivities were obtained and depending on which auxiliary was used cycloadditions proceeded through a chelated or non-chelated pathway. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)
报道了普通二烯对手性对映体纯氧烯丙基阳离子的非对映选择性捕获。获得了优异的非对映选择性,并且取决于使用的助剂,环加成通过螯合或非螯合途径进行。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)