Table 3.
yield (%) |
|||||||
---|---|---|---|---|---|---|---|
conditions | C-1 | C-2 | C-3 | C-4 | C-5 | C-6 | C-7 |
10% [PPh3Au(TA)]OTf, 2 h | 30 | ||||||
10% [XPhosAu(TA)]OTf, 12 h | 75 | ||||||
10% POP-TA-Au, 6 h | 79 | 71 | 69 | 70 | 68 | 68 | 65 |
General conditions: 10 mol % gold catalyst, DCM (0.05 M).
Yields determined by H NMR.