1: 1) NaH / 1) THF, room temperature, 1 h, 2) -78 deg C -> room temperature, 2 h
2: 58 percent / LDA / tetrahydrofuran / a) -78 deg C, 1 h, b) room temperature, 4 h
View Scheme
参考文献
Hermann, Christine K. F.; Campbell, James A.; Greenwood, Thomas D.; Lewis, Judith A.; Wolfe, James F.
Journal of Organic Chemistry, 1992 , vol. 57, # 20 p. 5328 - 5334
nitric acid; urea
T=0°C; fuegt eiskalte konz.Schwefelsaeure hinzu,giesst in Wasser und schuettelt mit Aether aus;
参考文献
Drozdova, O. A.; Astrat'ev, A. A.; Kuznetsov, L. L.; Selivanov, V. F.
Journal of Organic Chemistry USSR (English Translation), 1982 , vol. 18, p. 2063 - 2067
Zhurnal Organicheskoi Khimii, 1982 , vol. 18, # 11 p. 2335 - 2340
Cremlyn, R. J.; Swinbourne, F. J.; Devlukia, P.; Shode, O.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984 , vol. 23, # 3 p. 249 - 253