hydrogen fluoride

1: sec-butylmagnesium chloride With zinc(II) chloride in tetrahydrofuran T=20°C; 0.333333 h; 2: 1-chloro-4-(1,1-dimethylethyl)-1-cyclohexene With 1-methyl-pyrrolidin-2-one; Pd0(tris(tert-butyl)phosphine)2 in tetrahydrofuran T=100°C; Negishi reaction; 5 h; Further stages. Title compound not separated from byproducts.;