inorganic chemistry

concentrations of gelator, which was shown by thermoreversible
DSC studies. Temperature-dependent NMR and X-ray diffraction
experiments, as well as comparisons with analogues substituted
with shorter alkyl chains, suggested that the 3D networks

N

N N N R = CH^3 , X = Br

MeOH

DMSO DMF DMA

5 mm

2 mm1mm^1 mm

R = n-C 4 H 9 , X = Br

R = n-C 4 H 9 , X = I

R = n-C 16 H 33 , X = I

+

X–

N

R

Hg

R X

Pd

FIG. 22. Structure of gelating Pd(II) complexes described by Dötz
et al. Selected TEM micrographs of gels obtained from different
solvents are shown. Reproduced with the permission of Wiley-VCH
( 218 ).

N

N N N

R = n-C 8 H 17 , X = l;

R = n-C 4 H 9 , X = I.

R = n-C 16 H 33 , X = I;

+X–

X– X–

N

R

Hg

R X

Pd

R = n-C 16 H 33 , X = Br;

R = n-C 8 H 17 , X = l;

R = n-C 4 H 9 , X = I.

R = n-C 16 H 33 , X = I;

R = n-C 16 H 33 , X = Br;

N+

N N N

R

N+

R

20 mm

FIG. 23. Structure of gelating Pd(II) CNC pincer ligands and their
Pd(II) complexes described by Dötzet al. Selected dark-field optical
micrograph of a gel obtained with liquid crystals is shown. Reproduced
with the permission of Wiley-VCH ( 219 ).

86 CRISTIAN A. STRASSERTet al.