Without special precautions to exclude moisture or protic solvents, cross-b
ridged cyclam ligand 1 was found to readily complex zinc dichloride and yie
ld two types of cis-folded complexes in the solid-state; one a chloride-bri
dged dimer and the: other an aqua complex featuring a coordinated [ZnCl4](2
-) counterion. (C) 1999 Elsevier Science S.A. All rights reserved.