文摘
A macrocycle, 6, has been synthesized in high yield from 2,5-di(pyrazol-1-yl)hydroquinoneand 1,1'-fc[B(Me)NMe2]2 {fc = Fe(C5H4)2}. The molecule incorporates two redox-active 1,1'-ferrocenylene units in its backbone and contains four chiral boron centers, each of thempossessing the same configuration. It is demonstrated that crystal structures of organometallics of moderate complexity can be solved from high-resolution X-ray powder diffractionpatterns, once the connectivity between the functional groups is known.