Jh. Oh et al., SYNTHETIC STUDIES ON TAXOL .2. BETA-FRAGMENTATION OF ALKOXY RADICALS IN MEDIUM-SIZED CARBOCYCLE SYNTHESIS, Tetrahedron letters, 35(21), 1994, pp. 3449-3452
An efficient excision of the keto bridge present in tricyclo[4.3.1.1(2
,5)]undecanones or tricyclo[5.3.1.1(2,6)]dodecanones has been accompli
shed by beta-fragmentation of an alkoxy radical under the procedure of
Suarez [PhI(OAc)(2)-I-2].