phosphoric acid; phosphorus pentoxide in n-heptane
T=90°C; 8 h;
参考文献
Zakharin, L. I.; Pryanishnikov, A. P.; Guseva, V. V.
Journal of Organic Chemistry USSR (English Translation), 1982 , p. 80 - 83
Zhurnal Organicheskoi Khimii, 1982 , vol. 18, # 1 p. 95 - 99
1: 80 percent / KOH / diethyl ether / 6 h / 20 °C
2: 83 percent / 50percent aq. H2SO4 / benzene / 3 h / 60 °C
3: 79 percent / P2O5, phosphoric acid / heptane / 8 h / 90 °C
View Scheme
参考文献
Zakharin, L. I.; Pryanishnikov, A. P.; Guseva, V. V.
Journal of Organic Chemistry USSR (English Translation), 1982 , p. 80 - 83
Zhurnal Organicheskoi Khimii, 1982 , vol. 18, # 1 p. 95 - 99
cation-exchange resin KU-2 in acetic acid
15 h; Heating;
参考文献
Zakharin, L. I.; Pryanishnikov, A. P.; Guseva, V. V.
Journal of Organic Chemistry USSR (English Translation), 1982 , p. 80 - 83
Zhurnal Organicheskoi Khimii, 1982 , vol. 18, # 1 p. 95 - 99
