Table 2.
Standard reaction conditions: 0.5 mmol 2–15a, 3.0 equiv Et3N·3HF, 1.0 equiv p-CI BA, 5 mol % RuPhosAuCl, 5 mol % AgBF4, 4:1 MeCN:CH2CI2 [0.7M], rt, 24 h.
2-15b isolated as a single isomer except 11b.
Detemined by 19F NMR spectroscopy with PhF as an internal standard.
6.0 mmol scale.
5.0 mmol scale.
55 °C ginsoluble product.
1.25 M, 4.0 equiv Et3N·HF.
1.25 M, 4.0 equiv Et3N·3HF.
1.43 M, 4.5 equiv Et3N·3HF, 50 °C.