1: With bis(acetylacetonate)nickel(II); tri-cyclo-hexyl-phosphine in ethylene glycol dimethyl ether T=20°C; P=760.051 Torr; 3 h; 2: With hydrogenchloride; water in ethylene glycol dimethyl ether

4 A molecular sieve; triphenylphosphine; tin(ll) chloride; bis-triphenylphosphine-palladium(II) chloride in toluene T=75°C; P=75006 Torr; 16 h; Product distribution; Further Variations:Pressuressubstrate/catalyst conc., reaction time;

bis-triphenylphosphine-palladium(II) chloride; triphenylphosphine; tin(ll) chloride in toluene T=80°C; P=75006 Torr; 16 h; Further byproducts given;

bis-triphenylphosphine-palladium(II) chloride; triphenylphosphine; tin(ll) chloride in toluene T=72°C; P=30002.4 Torr; 40 h; Further byproducts given;