Table 1 (continued)
Entry Guest
Host
Solvent
K a (M
À1
)
Method References
41
G17Á2Br
44CBP3
D 2 O
(9.6 Æ 1.7) Â 10
3
NMR
[40]
42
G17Á2PF 6 44BP4-OH Acetone-d 6
b
NMR
[38]
43
G18Á2Cl
44CBP3
D 2 O
(1.5 Æ 0.2) Â 10
3
NMR
[40]
44
G18Á2PF 6 44BP4-OH Acetone-d 6
b
NMR
[38]
45
G19Á2BarF 44BP3
CD 2 Cl 2
b
NMR
[25]
46
G19Á2BarF 44BP4
CD 2 Cl 2
41 Æ 6
NMR
[25]
47
G20Á2BarF 44BP3
CD 2 Cl 2
34 Æ 4
NMR
[25]
48
G20Á2BarF 44BP4
CD 2 Cl 2
320 Æ 30
NMR
[25]
49
G20Á2BarF 22BP4
CD 2 Cl 2
640 Æ 30
NMR
[26]
50
G20Á2BarF 22BP5
CD 2 Cl 2
(2.2 Æ 0.2) Â 10
3
NMR
[26]
51
G20Á2BarF 22BP6
CD 2 Cl 2
(1.3 Æ 0.3) Â 10
3
NMR
[26]
52
G20Á2BarF 22BP7
CD 2 Cl 2
(1.4 Æ 0.1) Â 10
3
NMR
[26]
53
G20Á2BarF 22BP8
CD 2 Cl 2
(1.0 Æ 0.1) Â 10
3
NMR
[26]
54
G20Á2Br
44CBP4
H 2 O
(2.60 Æ 0.16) Â 10
4 ITC
[41]
55
G21Á2BarF 44BP3
CD 2 Cl 2
39 Æ 2
NMR
[25]
56
G21Á2BarF 44BP4
CD 2 Cl 2
390 Æ 10
NMR
[25]
57
G22Á2PF 6 44BP4-OH Acetone-d 6
230 Æ 30
NMR
[38]
58
G22Á2PF 6 44BP4-OH Acetonitrile-d 3 240 Æ 30
NMR
[38]
59
G22Á2PF 6 44BP3
Acetone-d 6
b
NMR
[38]
60
G23ÁPF 6
44BP4-OH Acetone-d 6
250 Æ 20
NMR
[38]
61
G23ÁPF 6
44BP4-OH DMSO-d 6
b
NMR
[38]
62
G23ÁPF 6
44BP4-OH DMF-d 7
b
NMR
[38]
63
G23ÁPF 6
44BP4-OH Acetone-d 6 /
CDCl 3
(1:1, v/v)
(2.1 Æ 0.3) Â 10
3
NMR
[38]
64
G23ÁPF 6
44BP4-OH Acetone-d 6 /
CD 2 Cl 2
(1:1, v/v)
(3.1 Æ 0.3) Â 10
3
NMR
[38]
65
G24
À
44CBP3TM
D 2 O
(1.56 Æ 0.07) Â 10
3 NMR
[42]
66
G26
À
44CBP3TM
D 2 O
592 Æ 1
NMR
[42]
67
G27
À
44CBP3TM
D 2 O
622 Æ 2
NMR
[42]
68
G28
44BP3
CDCl 3
b
NMR
[25]
69
G28
44BP4
CDCl 3
61 Æ 12
NMR
[25]
70
G29
44BP3
CDCl 3
b
NMR
[25]
71
G29
44BP4
CDCl 3
100 Æ 20
NMR
[25]
72
G30–G35 44BP3
CDCl 3
b
NMR
[25]
73
G30–G35 44BP4
CDCl 3
b
NMR
[25]
74
G36ÁCl
44CBP4
H 2 O
(1.16 Æ 0.10) Â 10
4 ITC
[41]
(continued)
12 Biphen[n]arenes: Synthesis and Host–Guest Properties
321