摘要
A simple synthesis of several methyl 2-oxo-2,3-dihydrobenzo[b]oxepine-4-carboxylates from Baylis-Hillman adducts of O-benzyl protected 2-hydroxybenzadehydes has been described through the acetylation, cyanation, debenzylation, as well as acid assisted Pinner cyclization.
- 出版日期2008-12