6893
J . Am. Chem. SOC.1987, 109, 6893-6895 Table I. Reactions" of ( t m ~ ) N i ( c H ~ ) ~Ions Y + with Ni(tmc)' and with H 2 0 R-Ni( tmc) ',
with Ni(tmc)' k/M-'
hydrolysis
R = product s-Ib product khvd/S-' -(CH2)4I C2H4 I(CH2)&H3 2.7 X -(CH,),Br C2H4 1.6 X lo3 Br(CH2),CH3 1.3 X -(CH2)4C1 (