Jost, P.; Chaquin, P.; Kossanyi, J.
Tetrahedron Letters, 1980 , vol. 21, p. 465 - 466

Crandall, Jack K.; Magaha, H. Steve; Henderson, Mark A.; Widener, Rexford K.; Tharp, Gregg A.
Journal of Organic Chemistry, 1982 , vol. 47, # 27 p. 5372 - 5380

Crandall, Jack K.; Magaha, H. Steve; Henderson, Mark A.; Widener, Rexford K.; Tharp, Gregg A.
Journal of Organic Chemistry, 1982 , vol. 47, # 27 p. 5372 - 5380