1: With ethylmagnesium bromide in tetrahydrofuran T=-60°C; 2: With acetone in tetrahydrofuran T=-60°C; 0.5 h;

1: 84 percent / NaOH, triethylbenzylammonium chloride / CH2Cl2; ethanol / 16 h / 25 °C 2: 60 percent / tributylstannane / benzene / 35 - 40 °C View Scheme

ethanol; phenol; cobalt(II)salen in N,N-dimethyl-formamide Electrochemical reaction;

1: 1-bromo-2,2-diphenylcyclopropane With isopropylmagnesium chloride lithium chloride complex in tetrahydrofuran; 1,4-dioxane T=25°C; Grignard reaction; 48 h; 2: acetyl chloride With CuCN*2LiCl in tetrahydrofuran; 1,4-dioxane Grignard reaction; stereoselective reaction;

sodium iodide in acetone T=100°C;

1: 1-bromo-2,2-diphenylcyclopropane With isopropylmagnesium chloride lithium chloride complex in tetrahydrofuran; 1,4-dioxane T=25°C; 48 h; 2: With zinc(II) chloride in tetrahydrofuran; 1,4-dioxane 3: 1-chloro-4-bromobenzene With Pd(OAc)2*1.5S-Phos in tetrahydrofuran; 1,4-dioxane Negishi coupling reaction; stereoselective reaction;

1: 1-bromo-2,2-diphenylcyclopropane With isopropylmagnesium chloride lithium chloride complex in tetrahydrofuran; 1,4-dioxane T=25°C; Grignard reaction; 48 h; 2: N,N-dimethyl-formamide in tetrahydrofuran; 1,4-dioxane Grignard reaction; stereoselective reaction;