AlCl3 in neat (no solvent) byproducts: CH3SiCl3; heated for 1 h to 125°C; stirred for 2 h; heated to 135-140°C and then at 145-150°C for 2 h; AlCl3 sepd.; vacuum-distd.; elem. anal.;

above 200°C;

1: Li; Sn-Hg alloy / diethyl ether View Scheme

1: Na-Sn alloy / xylene View Scheme

[2,2']bipyridinyl; potassium tert-butylate; nickel dichloride in 2-methyl-propan-1-ol; tert-butyl alcohol T=60°C; Stille coupling; 12 h;

dichloro bis(acetonitrile) palladium(II) in N,N-dimethyl-formamide to a soln. of complex in DMF at room temp. under Ar was added a norbornene soln. , then aryltin trichloride was added dropwise, the soln. was heated at 55°C for 2 h, cooled to room temp. treated with CH3MgI for 1 h; HCl was added, poured into water, extd. with ether, dried over Na2SO4, evapd., silica gel chromy., GPC (chloroform); 8percent mixt. of isomers (88:12);