作者:Thomas L. Gilchrist、C. John Harris、Michael E. Peek、Charles W. Rees
DOI:10.1039/c39750000962
日期:——
1,2,4-Benzoxadiazines (1) are converted into the corresponding benzoxazoles (2) in good yields by heating in solvents at 80–140 °C; a mechanism involving π4a+π2a cyclisation of an ortho-quinoneimine intermediate is suggested.
1,2,4- Benzoxadiazines(1)被转化成相应的苯并恶唑(2通过在80-140℃下在溶剂中加热以良好产率); 涉及机构π 4一个+ π 2一个的环化的邻位建议-quinoneimine中间。