-
~96%
参考文献:
Mabic Castagnoli Jr. Journal of Organic Chemistry, 996 , vol. 6, # p. 39 - 33
-
~64%
参考文献:
Valenta, Vladimir Protiva, Miroslav Collection of Czechoslovak Chemical Communications, 987 , vol. 52, # 8 p. 295 - 26
-
~%
参考文献:
Sokolova Cherkaev Boiko Moskovkin Chemistry of Heterocyclic Compounds, 997 , vol. 33, # 6 p. 676 - 679
-
~%
参考文献:
Ziering et al. Journal of Organic Chemistry, 947 , vol. 2, p. 894,897, 9O2
-
~%
参考文献:
McElvain Safranski Journal of the American Chemical Society, 95 , vol. 72, p. 334,335