Forster Reaction.

M. O. J. Forster, J. Chem. Soc. 107, 260 (1915)
Cava, Litle, Chemistry & Industry (London) 1957, 367
Kirmse et al., Angew. Chem. 69, 106 (1957)
Meinwald et al., J. Am. Chem. Soc. 81, 4751 (1959)
Weygand, Bestmann, Angew. Chem. 72, 535 (1960)
Rundel, ibid. 74, 469 (1962)
Cava, Vogt, J. Org. Chem. 30, 3776 (1965)