1: With potassium carbonate in ethylene glycol dimethyl ether; water
T=20°C; 0.5 h; Inert atmosphere;
2: With bis-triphenylphosphine-palladium(II) chloride in ethylene glycol dimethyl ether; water
T=20 - 80°C; Inert atmosphere;
Takeuchi, Hiroshi; Takano, Katsuyuki
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1986 , p. 611 - 618