Proline derived guanidine catalysts forge extensive H-bonded architectures: a solution and solid state study
作者:Zahraa S. Al-Taie、Simon R. Anetts、Jeppe Christensen、Simon J. Coles、Peter N. Horton、Daniel M. Evans、Leigh F. Jones、Frank F. J. de Kleijne、Shaun M. Ledbetter、Yassin T. H. Mehdar、Patrick J. Murphy、Jack A. Wilson
DOI:10.1039/c9ra07508a
日期:——
application to the Michael addition of 2-hydroxy-1,4-napthoquinone to β-nitrostyrene, achieving a maximum ee of 56%. Some insight into the mechanism was sought by using X-ray crystallography and a detailed study of the intra- and intermolecular hydrogen bonding is reported.
报道了一系列氨基酸衍生的胍有机催化剂的制备及其在 2-羟基-1,4-萘醌与 β-硝基苯乙烯的迈克尔加成中的应用,最大 ee 为 56%。通过使用 X 射线晶体学寻求对该机制的一些了解,并报告了对分子内和分子间氢键的详细研究。
Kasperowicz-Frankowska, Katarzyna; Gzik, Anna; Dziemidkiewicz, Michal, Acta poloniae pharmaceutica, 2014, vol. 71, # 6, p. 994 - 1003
作者:Kasperowicz-Frankowska, Katarzyna、Gzik, Anna、Dziemidkiewicz, Michal、Kolesi-Ska, Beata、Kamiski, Zbigniew J.