Structure-Elucidating Total Synthesis of the (Polyenoyl)tetramic Acid Militarinone C
作者:Christian Drescher、Morris Keller、Olivier Potterat、Matthias Hamburger、Reinhard Brückner
DOI:10.1021/acs.orglett.0c00431
日期:2020.4.3
The (polyenoyl)tetramic acid militarinone C (1) heads a family of seven members. Before our work, the configuration of C-5 was unknown whereas the configurations of C-8′ and C-10′ were either (R,R) or (S,S). We synthesized the four stereoisomers of constitution 1, which conform with these insights. This included cross-coupling both enantiomers of the western building block (8) with both enantiomers
(多烯酰基)四甲酸米利替农C(1)领导着一个由七个成员组成的家庭。在我们进行工作之前,C-5的构型是未知的,而C-8'和C-10'的构型是(R,R)或(S,S)。我们合成了构成1的四个立体异构体,它们与这些见解相符。这包括将西部结构单元(8)的两个对映体与东部结构单元(9)的两个对映体交叉偶联。产生的1个异构体的比旋光表明,天然1的构型与偶联配偶体(S)-图8和(R,R)-9。通过将天然1降解为酒精35并通过与合成(R,R)-35证明其构型同一性,证实了这一结论。