An intramolecular conjugate addition of γ-trichloroacetimidoyloxy-α,β-unsaturated esters: a very concise route to daunosamine, acosamine, ristosamine and 3-epi-daunosamine precursors
作者:Yoshitaka Matsushima、Jun Kino
DOI:10.1016/j.tetlet.2006.09.164
日期:2006.12
3-amino-2,3,6-trideoxyhexoses, daunosamine, acosamine, ristosamine and 3-epi-daunosamine, via cis- and trans-oxazoline intermediates assembled by a novel intramolecular conjugate addition of γ-trichloroacetimidoyloxy-α,β-unsaturated esters in an acyclic system.
通过新型分子内组装的顺式和反式-恶唑啉中间体,已经制定了一种新的非常简明的策略,用于合成3-氨基-2,3,6-三苯氧基己糖,柔松胺,二十二胺,香豆胺和3-表柔松胺。无环体系中γ-三氯乙酰亚胺基氧基-α,β-不饱和酯的共轭加成