Table 1.
Isolated yields, unless otherwise noted.
70 °C.
50 °C.
95 °C, 10 days, only from the E isomer of starting material. The yield is determined by 19F NMR.
Isolated yields, unless otherwise noted.
70 °C.
50 °C.
95 °C, 10 days, only from the E isomer of starting material. The yield is determined by 19F NMR.