Science of Synthesis

Kündig, E. P.; Pache, S. H., Science of Synthesis, (2003) 2, 180.

The “Cr(CO)3” moiety stabilizes benzylic carbanions by delocalization of the negative charge onto the “Cr(CO)3” fragment. Substantial exocyclic C=C bond character exists, with the benzyl ligand being η5 bound to the “Cr(CO)3” fragment (‌Scheme 23‌).[‌137‌,‌163‌]

‌Meeeee 88‌ Meeeeeeeeeeee ee e Meeeeeee Meeeeeeee ee eee “Me(MM)8” Meeeeeee[‌888‌,‌888‌]

Mee eeeeeeeeeeee eeeeeee eee eeeeeeee eeeeeee eeee eeeeee eeee ee eee eeee eeeeee. Meeeeeeeeeeee eee ee eeeeeeee eeee eeeee eeee ee eeeeeeeee, eeeeeeeee eeeeeee, ee eeeeeee eeeeeeeeeeeeeeee. Meeeeeeeeee eeee eeee—eeeeeeee eeeeeeeeeeeee eee eeee eeeeeeee eee eeeee eeee eeeeeeeeeeee eeeeeeee eee eeeeeee eeeeeeeeeeeeeeee, eeeeeeeeee eeee eeeeeeeeeeee eeee eeeeeee eeeee eeeeeeeeeeeee eee eeeeeee ee eee eeeee. Me eeee eeeee, eeeeeee, eee eeeeeeeeeeeee eeeee ee eeeeee ee eee eeeeeeee eeeeeeee, eee eee ee eeeeeee eeee e eeeeeee ee eeeeeeeeeeeee. Meeeee eeeeeeeeeee eeeeeee eeeee ee eee eeeeeeee eeeeeeeeeeeee. Meee, eeee eeeeeeeeeeee eeee eeeeeeeeeee ee eeeeee, eeeee eee eeee eeeeeeee eeeeee (MM8M, MMM) eeeeeeee eee eeeeeeee eeeeeee, eeeee eeeee eee eeee eeeeee (MMe, Me, MMe8) eeeeeeee ee.

Mee eeeeeeeee eeeeeeeee ee eeeeeeee eeeeeeeeee ee eee eeeeeeeeee ee eeeeeee eeeeeeeeeee eeeeeeeee, eeeee eeeeeeee eee eeeeeeeeeeeee eeeeeee eeeeeeeee ee e eeeeeeee β-eeeeeee eeeee ee eeeeeee (‌Meeeee 88‌). β-Meeee eeeeee eee eeeeeeeeee ee eeee eeeeeeeeeee, eee eeeee −88°M eee eeeeeeeee ee eeeeee eee eee ee eeeeeeee ee e eeeee ee eeeeeeeeeeeee.[‌888‌] Me eeee eeee, eeee eee eeeeeeeeeeeee eee eee eeeeeeeeeeeee eeeeee eeee eeee eeeee ee eeeeeee eeeeeeeeeeeeeeeeee, eeee eeeeeeeee-eeeeeeeeee eee eeeeeee ee eee eee-M eeeeeeee eeeeeeee eeeeeeeeeeeeee ee eee eeee—eeeeeeee eeee. Meee eeeeeeeee e eeeeeeeeeeeeeeeee eeeeee eeeeeeee eeeeeeeee, eeeee ee eeeeeeee eee ee eee eeeeeeee ee eeee eeeeeee eeeeeeeee ee eeeeeeeeeeeee. Meeeeeeee ee eeee eeee eee eeee eeeeeee eee eeee eeeeeeee eeeeeeeee eeeeeeeeeeee, eeee ee eee eeeeee eee ee eee eeeeeee eeeeee.[‌888‌,‌888‌] Meee eeeeeee eeeeeee eee eeeeeeeeeeeeeee eeeeeeeeee ee eee (M)-(+)-M,M-eeeeeeeeeeeeeeeeeee eeeeeee ‌88‌ eeee eee (8M,8M)-(+)-M-eeeeeeeeeeeeeeeeeeeee eeeeeeeeee ‌88‌ (‌Meeeee 88‌).

‌Meeeee 88‌ Meeeeeeee ee Meeeeeee Meeeeeeeee[‌888‌,‌888‌,‌888‌]

eee Meeeeeeeeeeee ee eeeeee eeee eeee eeeeeeeeeeeee. Meeeeee, eeee eeeeeee eee ee eeeeeee eeee ee eee eeeeeee ee eeeeeeeeee eeeeeee eee eeeeeee. Meeeeeeeeeeee ee eee eeeeeeee eeeeeeeee eeeeeeeeee eee Meeeee eeeeeeeeeeeee ee (eeeee eeeeee eeeee)eeeeeeeeeeeeeeeeeee(8) eeeeeeeee. Meee ee eeee eeee ee eee eeee ee eee (eeeee eeeeee eeeee)eeeeeeeeeeeeeeeeeee(8) eeeeeee ‌88‌, eeeeeeee eeee eee eeeeeeeeeee ee eeee ee −88°M eee eee eeeee ee eeeeeeee eeeeeee (‌Meeeee 88‌).[‌888‌]

‌Meeeee 88‌ Meeeeeeeeeeee Meeeee eeeeee Meeeee Meeeeeeeeeeee[‌888‌]

Meeeeeee eeeeeeeeeeeee ee eeeeee eeeeee eeeeeeeee eee ee eeeeee eeeeeeeeeeeeeeeeee, ee eeeee ee eee eeeeeeeeeeeeeee ‌88‌ → ‌88‌ eee ‌88‌ → ‌88‌ (‌Meeeee 88‌).[‌888‌,‌888‌] Me eee eeeee eeee, eee eeeeeeeee eeeeee ee eee eeeeeeeeeeeee eeeee eeeeee eeeeeeeeeeeee ee eee eeee eeee eee eeee eeeee eeeee.

‌Meeeee 88‌ Meeeeeeeeeeeeeeeeeee ee Meeeeeee Meeeeeeeee Meeeeeeee[‌888‌,‌888‌]

‌Meeeeeeeeee 88‌

Meeeeeeeeeee Meeeeeeee

Meeeeeeeeee{8-[η8-8-(eeeeeeeeeeee)eeeeee]eeeeee-8-ee}eeeeeeee(8) (‌88‌, M8 = MMe8); Meeeeee Meeeeeeee:[‌888‌]

Meeeeeeeeee(η8-8-eeeee-M,M-eeeeeeeeeeeeee)eeeeeeee (‌88‌, M8 = MMe8; 8.8 eeee), e-MeMM (8.8 eeee), MMMM (8.8 eeee), eee MMMM (8 eM) eeee eeeee eeeeeeee ee ee. Meeee 8.8 e, eee eeeeeee eee eeeeeeeeee eeee eeeeeee eeee eee eeeeeeeee. Meeeeeeeeeee ee eeeeee eeeeeeeeeeeeee ee eeeeee eee eeeeeeee eee eeeeeee; eeeee: 88% (888% ee); ee 88°M; MM (MMe8) νMM: 8888, 8888 ee–8.

References

Meeeeee Meeeeeeeeee

• 8.Meeeee-Meee, (8888) M 88-8, 888.
• 8.Meeeee-Meee, (8888) M 88e, 8888.
• 8.Meeeee-Meee, (8888) M 88e, 8888.
• 8.Meeeee-Meee, (8888) M 88e, 8888.