中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3,4-dihydro-1,1-dimethoxy-4-methylnaphthalen-2(1H)-one | 1363721-46-3 | C13H16O3 | 220.268 |
A simple and efficient methodology has been developed for the synthesis of pyrrolobenzoxazine and 3-arylamino coumarin derivatives promoted by trifluoroacetic acid. The initial step in the current protocol involves a Michael addition of the 1,4-benzoxazinone derivatives to the Michael acceptors and subsequent cyclization.