Berti, 1964, Bull. Soc. Chim. France, 2359
Ageta, 1963, Tetrahedron Letters, 1447, 10.1016/S0040-4039(01)90849-4
Ageta, 1963, Chem. Pharm. Bull. (Tokyo), 11, 408, 10.1248/cpb.11.408
Fazakerley, 1959, J. Chem. Soc., 1877, 10.1039/jr9590001877
Barton, 1958, J. Chem. Soc., 2239, 10.1039/jr9580002239
Tsuda, 1965, Tetrahedron Letters, 3337, 10.1016/S0040-4039(01)89204-2
Berti, 1964, Tetrahedron Letters, 1, 10.1016/S0040-4039(01)89312-6