1: 78 percent / benzene / 4 h / Heating 2: 74 percent / 1 h / 190 - 200 °C View Scheme
参考文献
Barnish, Ian T.; Fung, Shing C.; Gibson, Martin S.; Khan, Saeed R.; Pawalchak, Gordon A.; Tse, Kin M.
Journal of Heterocyclic Chemistry, 1986 , vol. 23, p. 417 - 419