Table 1 Association constants (K a ) for the complexation of guests with biphen[n]arenes and their
derivatives
Entry Guest
Host
Solvent
K a (M
À1
)
Method References
1
G1ÁBArF 44BP3
CDCl 3
28 Æ 2
NMR
a
[25]
2
G1ÁBarF
44BP4
CDCl 3
(1.3 Æ 0.1) Â 10
3
NMR
[25]
3
G1ÁPF 6
44BP4-OH Acetone-d 6
32 Æ 4
NMR
[38]
4
G2ÁBarF
44BP3
CDCl 3
29 Æ 1
NMR
[25]
5
G2ÁBarF
44BP4
CDCl 3
570 Æ 40
NMR
[25]
6
G3ÁBarF
44BP3
CDCl 3
28 Æ 2
NMR
[25]
7
G3ÁBarF
44BP4
CDCl 3
(2.2 Æ 0.3) Â 10
3
NMR
[25]
8
G4ÁBarF
44BP3
CDCl 3
26 Æ 3
NMR
[25]
9
G4ÁBarF
44BP4
CDCl 3
(2.2 Æ 0.2) Â 10
3
NMR
[25]
10
G5ÁPF 6
44BP4-OH Acetone-d 6
160 Æ 20
NMR
[38]
11
G6ÁBarF
44BP3
CDCl 3
b
NMR
[25]
12
G6ÁBarF
44BP4
CDCl 3
(1.5 Æ 0.3) Â 10
4
NMR
[25]
13
G7Á2BarF 44BP3
CD 2 Cl 2
b
NMR
[25]
14
G7Á2BarF 44BP4
CD 2 Cl 2
(3.1 Æ 0.4) Â 10
4
NMR
[25]
15
G8ÁCl
44CBP3
H 2 O
(2.57 Æ 0.80) Â 10
4 ITC
[39]
16
G10ÁCl
44CBP4
H 2 O
(2.46 Æ 0.21) Â 10
4 ITC
[41]
17
G11ÁBarF 22BP4
CD 2 Cl 2
(3.6 Æ 0.6) Â 10
3
NMR
[26]
18
G11ÁBarF 22BP5
CD 2 Cl 2
(2.3 Æ 0.4) Â 10
4
NMR
[26]
19
G11ÁBarF 22BP6
CD 2 Cl 2
(1.5 Æ 0.3) Â 10
4
NMR
[26]
20
G11ÁBarF 22BP7
CD 2 Cl 2
(1.0 Æ 0.1) Â 10
4
NMR
[26]
21
G11ÁBarF 22BP8
CD 2 Cl 2
(1.1 Æ 0.1) Â 10
4
NMR
[26]
22
G12ÁBarF 22BP4
CD 2 Cl 2
(4.2 Æ 0.4) Â 10
3
NMR
[26]
23
G12ÁBarF 22BP5
CD 2 Cl 2
(8.1 Æ 0.6) Â 10
3
NMR
[26]
24
G12ÁBarF 22BP6
CD 2 Cl 2
(1.3 Æ 0.2) Â 10
4
NMR
[26]
25
G12ÁBarF 22BP7
CD 2 Cl 2
(7.0 Æ 0.4) Â 10
3
NMR
[26]
26
G12ÁBarF 22BP8
CD 2 Cl 2
(7.5 Æ 0.7) Â 10
3
NMR
[26]
27
G13Á2I
44CBP3
D 2 O
(1.1 Æ 0.2) Â 10
4
NMR
[40]
28
G13Á2I
44CBP4
H 2 O
(2.52 Æ 0.23) Â 10
4 ITC
c
[41]
29
G14Á2BarF 44BP3
CD 2 Cl 2
b
NMR
[25]
30
G14Á2BarF 44BP4
CD 2 Cl 2
92 Æ 5
NMR
[25]
31
G14Á2BarF 22BP4
CD 2 Cl 2
92 Æ 14
NMR
[26]
32
G14Á2BarF 22BP5
CD 2 Cl 2
63 Æ 13
NMR
[26]
33
G14Á2BarF 22BP6
CD 2 Cl 2
110 Æ 17
NMR
[26]
34
G14Á2BarF 22BP7
CD 2 Cl 2
170 Æ 17
NMR
[26]
35
G14Á2BarF 22BP8
CD 2 Cl 2
250 Æ 26
NMR
[26]
36
G14Á2PF 6 44BP4-OH Acetone-d 6
58 Æ 5
NMR
[38]
37
G14Á2PF 6 44BP4-OH Acetonitrile-d 3 170 Æ 20
NMR
[38]
38
G14Á2Br
44CBP3
D 2 O
(2.4 Æ 0.1) Â 10
4
NMR
[40]
39
G15Á2Br
44CBP3
D 2 O
(5.1 Æ 0.3) Â 10
4
NMR
[40]
40
G16Á2Br
44CBP3
D 2 O
(4.7 Æ 0.4) Â 10
3
NMR
[40]
(continued)
320
B. Li et al.