Cyclobutane-bicyclobutane system. Part 13. Bromination of

J . Am. Chem. SOC.1987, 109, 5149-5156

trans-R'Ir(C0)L

2

RCCR,

I

I

-1r

c,i

A

B

[ Ir[C:O)R']L2]

LCCi: C(0)R'

R'

!

L.

c0

I L....Ir....L a

RCCR