作者:Ching-Yao Chang、Hui-Ming Liu、Tahsin J. Chow
DOI:10.1021/jo060935j
日期:2006.8.1
The first total synthesis of louisianin A, 4-allyl-6,7-dihydro-1-hydroxycyclopenta[ c] pyridin-5-one, is achieved from 2-chloro-4-cyanopyridine 5 via seven steps in an overall 24% yield. The key step is a cyclization-decarboxylation sequence toward the formation of a cyclopentenone ring.