... b L. Cassidei, M. Fiorentino, R. Mello, O. Sciacovelli, R. Curci; J. Org. Chem., 52 (1987), p. 699. c R. Curci; c ,in: AL Baumstark (Ed.), Adv. In Oxygenated Proc., 2JAI Press, Greenwich, CT (1988) ch. 1. 8; JK Crandall, DJ Batal; J. Org. Chem., 53 (1988), p. 1338. ... 9; a M. Bertrand, JP. Dulcere, G. Gil, J. Grimaldi, P. Sylvestre-Panthet; Tetrahedron Lett. (1976), p. 1507. ...