反应条件
1.1: 91 percent / H2SO4 / Heating
2.1: LDA; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone / tetrahydrofuran; hexane / 1 h / -78 °C
2.2: 95 percent / tetrahydrofuran; hexane / 14 h / -78 - 20 °C
View Scheme
参考文献
Wong, Man-Kin; Chung, Nga-Wai; He, Lan; Wang, Xue-Chao; Yan, Zheng; Tang, Yeung-Chiu; Yang, Dan
Journal of Organic Chemistry, 2003 , vol. 68, # 16 p. 6321 - 6328