We report herein a divergent enantioselective total synthesis of (-)-ajmalicine, (+)-mayumbine, and (-)-roxburghine C. The synthesis employs Franzen's organocatalytic reaction between N-acetoacetyl tryptamine and (E)-5-hydroxypent-2-enal to generate a func ...
In this article, the wrong slot blots of LASH-BL34-45 and BL 4B12 were presented in Figure 2a; the figure should have appeared as shown below. The original article has been corrected. ...
Despite the widespread adoption of face recognition technology around the world, and its remarkable performance on current benchmarks, there are still several challenges that must be covered in more detail. This paper offers an overview of the Face Recogni ...