Chemistry Reference
In-Depth Information
Diphenyl-
acetylene
O
Cu(OTf)
2
/AlCl
3
(1)
Δ
95%
87%
64
65
66
O
Diphenyl-
acetylene
68a
Cu(OTf)
2
/AlCl
3
Δ
(2)
+
68%
89%
67
69
68b
R
R
R
R
R
70
Cu(OTf)
2
/AlCl
3
Δ
(3)
R
77%
75%
O
R
R
R
R
72
73
R
R
71
R= C
12
H
25
Scheme 17 (continued)
