K. Takaki et al., A FACILE GENERATION OF ORGANOSAMARIUM ETA(3)-ALLYL COMPLEXES BY REDUCTIVE CLEAVAGE OF ALLYLIC ETHERS WITH (C(5)ME(5))(2)SM(THF)(N), Tetrahedron letters, 36(9), 1995, pp. 1505-1508
Reductive C-O bond cleavage of allylic benzyl ethers with two equivale
nts of (C(5)Me(5))(2)Sm(THF)(n) (n=2 or 0) takes place selectively to
generate (C(5)Me(5))(2)Sm(eta(3)-allyl) complexes in high yields along
with equimolar amounts of the samarium benzyloxide.