Table 1.
Ar–X | T (°C) | tR1 (s) | Ar–Ar | Yield (%) |
24 | 3.100 | 72 | ||
24 | 3.100 | 69 | ||
0 | 3.100 | 76 | ||
−28 | 0.055 | 75 | ||
0 | 0.055 | 66 | ||
24 | 0.055 | 76 | ||
−48 | 0.014 | 53a | ||
−48 | 0.014 | 63a |
aPhLi instead of n-BuLi was used as lithiating reagent.
Ar–X | T (°C) | tR1 (s) | Ar–Ar | Yield (%) |
24 | 3.100 | 72 | ||
24 | 3.100 | 69 | ||
0 | 3.100 | 76 | ||
−28 | 0.055 | 75 | ||
0 | 0.055 | 66 | ||
24 | 0.055 | 76 | ||
−48 | 0.014 | 53a | ||
−48 | 0.014 | 63a |
aPhLi instead of n-BuLi was used as lithiating reagent.