Chemistry Reference
In-Depth Information
Table 1 Recent X-ray structures of BAEs including selected PAEs
X
Y
Substitution
Conformation Color
References
—
—
Twisted
Orange
[
47
,
48
]
4,5,4
0
,5
0
-Tetraaza
—
—
Twisted
Orange
[
64
]
Z
-1,1
0
-Dichloro
—
—
Twisted
Red
[
65
]
1,1
0
,3,3
0
,6,6
0
,8,8
0
-Cl
—
—
Twisted
Violet
[
66
]
—
—
Perchloro
Twisted
Blue
[
66
]
E
-Dibenzo[
a,a
0
]
—
—
Twisted
Violet
[
67
]
Benzo[def] Benzo[def]
Twisted
Red
[
68
,
69
]
O
O
anti
-Folded
Yellow
[
70
,
71
]
CO
CO
anti
-Folded
Yellow
[
56
-
60
]
C
¼
C(CN)
2
C
¼
C(CN)
2
anti
-Folded
Yellow
[
72
]
C(CH
3
)
2
C(CH
3
)
2
anti
-Folded
Colorless
[
73
]
Z
-2,2
0
-Tethered
S
S
anti
-Folded
Colorless
[
74
]
Se
Se
anti
-Folded
Colorless
[
75
]
Te
Te
anti
-Folded
Colorless
[
75
]
CH
¼
CH
CH
¼
CH
anti
-Folded
Colorless
[
61
]
CH
¼
CH
CH
¼
CH
syn
-Folded
Colorless
[
61
]
C
6
H
4
C
6
H
4
syn
-Folded
[
76
]
CH
¼
CH
CH
2
-CH
2
anti
-Folded
[
76
]
O
—
Twisted
Purple
[
63
]
O
—
2
0
,7
0
-Dimethyl
Twisted
Purple
[
63
]
O
—
2
0
,7
0
-Dimethyl
Folded
Yellow
[
63
]
O
—
Benzo[
b
]
Folded
Yellow
[
63
]
1
0
,3
0
,6
0
,8
0
-Cl-2
0
,7
0
‐
O
—
CH
2
OH Twisted
Blue
[
77
]
C
¼
O
—
Folded
Yellow
[
78
]
O — 1
0
,8
0
-Diaza
C
¼
Folded
Yellow
[
78
]
C
¼
O
—
Benzo[
b
]
Folded
Yellow
[
78
]
Se
—
Folded
Colorless
[
79
]
Te
—
Folded
Colorless
[
79
]
1
0
,8
0
-Diaza
S
—
Folded
Colorless
[
80
]
1
0
,8
0
-Diaza
Se
—
Folded
Colorless
[
80
]
1
0
,8
0
-Diaza
Te
—
Folded
Colorless
[
80
]
in Sect.
2.8
). 13 is considered a naphthologous BAE-2 generated by removal of the
two carbonyl bridges from 13-(13-oxo-(6(13
H
)-pentacenylidene)-6(13
H
)-
pentacenone (14)[
84
], a naphthalene analog of the BAE bianthrone (3).
X
X
9
10
11
