1: 11-bromo-undec-1-ene With magnesium in diethyl ether T=20°C; Grignard reaction; 1 h; 2: thien-3-yl bromide With [1,3-bis(diphenylphosphino) propane] dichloronickel(II) in diethyl ether T=20°C; Condensation; 3 h; Title compound not separated from byproducts;

1: 11-bromo-undec-1-ene With iodine; magnesium 2: thien-3-yl bromide With [1,3-bis(diphenylphosphino) propane] dichloronickel(II) Further stages.;

trichlorosilane