Diastereoselective Synthesis of Highly Functionalized Tetrahydroxanthenols—Unprecedented Access to Privileged Structural Motifs
作者:Carl F. Nising、Ulrike K. Ohnemüller、Anne Friedrich、Bernhard Lesch、Jochen Steiner、Hansgeorg Schnöckel、Martin Nieger、Stefan Bräse
DOI:10.1002/chem.200501485
日期:2006.4.24
Tetrahydroxanthenones, which can be easily prepared by a domino oxa-Michael aldol condensation, offer various possibilities for diastereoselective functionalization, giving access to the stereocontrolled synthesis of stereochemical triades or tetrades, which represent privileged structural motifs. In most cases, the relative stereochemistry was unequivocally established by crystal structure analysis
四氢噻吩酮类化合物可以通过多米诺oxa-Michael醛醇缩合反应轻松制备,为非对映选择性官能化提供了多种可能性,使人们能够获得立体化学三叉戟或四叉戟的立体控制合成方法,从而代表了特权的结构基序。在大多数情况下,通过晶体结构分析可以明确地建立相对立体化学。