Weinstock, Leonard M.; Tull, Roger J.; Douglas, Alan W.; Shinkai, Ichiro
Journal of Organic Chemistry, 1980 , vol. 45, # 26 p. 5419 - 5421

Shinkai, I.; Zwan, M. C. Vander; Hartner, F. W.; Reamer, R. A.; Tull, R. J.; Weinstock, L. M.
Journal of Heterocyclic Chemistry, 1981 , vol. 18, p. 197 - 198