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. 2015 Oct 30;11:2038–2056. doi: 10.3762/bjoc.11.221

Table 5.

RCM and ene–yne reactions catalysed by 93a–f and 94 in air.a

Substrate Productb Catalyst (mol %) T (°C)c t (h) Yield (%)d

Inline graphic
29
Inline graphic
30
85 (1)
93a (1)
93b (1)
93c (1)
93d (1)
93e (1)
93f (1)
94 (1)
30
30
30
30
30
30
30
30
0.4
1.7
1.7
1.7
1.8
1.7
1.9
0.9
42
96
93
7
92
97
17
90

Inline graphic
77
Inline graphic
78
85 (1)
93a (1)
93b (1)
93d (1)
93e (1)
30
30
30
30
30
1.7
1.7
1.5
1.7
1.5
23
87
72
72
86

Inline graphic
95
Inline graphic
96
85 (5)
93a (5)
93b (5)
93d (5)
93e (5)
30
30
30
30
30
0.4
0.4
0.4
0.4
0.4
40
41
38
36
35

Inline graphic
55
Inline graphic
56
85 (2)
93a (2)
93b (2)
30
30
30
6
5
8
94e
96e
96e

aReaction conditions: Catalyst (mol %), nondegassed DCM (commercial-grade HPLC) (0.1 M) in air. bE = COOEt. cReactions at 50 °C were performed in nondegassed toluene (commercial-grade HPLC) in air. dYields determined by 1H NMR. eIsolated yields after flash chromatography [83].