A novel method for suppression of the abnormal Fischer indole synthesis
作者:Bruce G. Szczepankiewicz、Clayton H. Heathcock
DOI:10.1016/s0040-4020(97)90396-3
日期:1997.6
A method is described for the use of the Fischerindolesynthesis to prepare 7-hydroxy-indoles in good yield. The method involves the construction of a 4-aminobenzoxazine and removal of the N-O tether after the indole has been formed.