t
Bu
t
Bu
(R
p )-5
t
Bu
Br
OTf
Br
Br
t
Bu
t
Bu
t
Bu
t
Bu
OC
6 H
13
OC
6 H
13
C
6 H
13 O
C
6 H
13 O
C
6 H
13 O
OC
6 H
13
OC
6 H
13
C
6 H
13 O
t
Bu
(R
p )-6
(R
p )-7
abs = 356 nm
= 1.3 x 10 5
M –1
cm –1
abs = 416 nm
= 0.35 x 10 5
M –1
cm –1
PL,max = 446 nm
PL = 0.51
|g
lum | = 3.5 x 10 –3
abs = 330 nm
= 2.2 x 10 5
M –1
cm –1
abs = 419 nm
= 1.1 x 10 5
M –1
cm –1
PL,max = 471 nm
PL = 0.60
|g
lum | = 1.0 x 10 –2
abs = 313 nm
= 1.3 x 10 5
M –1
cm –1
abs = 391 nm
= 0.46 x 10 5
M –1
cm –1
PL,max = 453 nm
PL = 0.45
|g
lum | = 1.0 x 10 –2
λ
λ
λ
Φ
λ
λ
λ
Φ
λ
λ
λ
Φ
Fig. 3.13
Structures and optical data of propeller-shaped cyclic molecules 5–7
42
Y. Morisaki