1: sulfuric acid / ethanol; water / 4 h / 100 °C
2: potassium dichromate / acetic acid / 0.08 h / 80 °C
3: hydrogenchloride; tin(ll) chloride / ethanol / 0.5 h / 70 °C
View Scheme
参考文献
Gohil, Vikrantsinh M.; Brahmbhatt, Keyur G.; Loiseau, Philippe M.; Bhutani, Kamlesh K.
Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 12 p. 3905 - 3907