1: 90 percent / conc. H2SO4 / 24 h / Ambient temperature
2: 90 percent / conc. H2SO4 / 10 h / Heating
View Scheme
参考文献
Shridhar, D. R.; Sastry, C. V. Reddy; Lal, B.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1983 , vol. 22, # 3 p. 300 - 302
