278
SELF-ASSEMBLY AND CATALYSIS
0
H
H - C
C - H
I
I
H - C -
C - H
I
I
\
H
H
\ / b H
/O\
H - C
C - H
II
II
H /"-" H
Furan
Tetrahydro Furan
(THF)
S
H
H - C
C - H
I
I
H- C -
C - H
I
I
\
H
H
\ / \ / H
/ s\
H - C
C - H
II
II
H /"-" H
Thiophene
Tetrahydro Thiophene
(THT)
Figure 10.20. Sketches of the structures of the heterocyclic ring compound furan, its hydrated
analogue tetrahydrofuran (THF), and the corresponding sulfur compounds thiophene and
tetrahydrothiophene (THT).
Figure 10.21. Titanium neutral metal cluster Til3 bonded to the oxygen atoms of octahedrally
coordinated tetrahydrofuran (C4H80) molecules. Only the oxygen atoms of the THF are shown.
[From H. Bonnemann and W. Brijoux, in Moser (1996), Chapter 7, p. 169.1
Précédent

- 289/400

Suivant