作者:Daichi Oguro、Naoki Mori、Hirosato Takikawa、Hidenori Watanabe
DOI:10.1016/j.tet.2018.08.012
日期:2018.9
ants. The mosquito bite-deterring activity level of callicarpenal was reported to be similar to that of N,N-diethyl-m-toluamide. The novel synthesis of (−)-callicarpenal reported herein was accomplished by starting from (+)-pulegone. In our original approach, a novel Prins-type cyclization based on Meyer–Schuster rearrangement was featured as a key step.
Callicarpenal,来自美国紫珠(叶中分离紫珠美洲)和日本紫珠(紫珠),表现出对蜱和火蚁显著蚊子咬威慑活动和驱除活性。callicarpenal的蚊子叮咬威慑活性水平被报告为类似于的Ñ,Ñ二乙基米-toluamide。本文报道的(-)-愈伤组织的新颖合成是通过从(+)-普勒高酮开始而完成的。在我们的原始方法中,基于迈耶-舒斯特重排的新颖Prins型环化是关键步骤。