1.1: 99 percent / NaOH / methanol; tetrahydrofuran; H2O / 12 h / 20 °C 2.1: 2,4,6-trichlorobenzoyl chloride; triethylamine / toluene / 1 h / 20 °C 2.2: 99 percent / 4-(dimethylamino)pyridine / toluene / 1 h 3.1: 85 percent / tetra-n-butylammonium fluoride; acetic acid / tetrahydrofuran / 120 h / 20 °C 4.1: 95 percent / N,N-diisopropylethylamine / CH2Cl2 / 1 h / 20 °C 5.1: 97 percent / DDQ / CH2Cl2; H2O / 1 h / 20 °C 6.1: 77 percent / {[P(c-hexyl)3](1,3-dimesitylimidazolidin-2-yl)Ru(=CHPh)Cl2} / CH2Cl2 / 24 h / 20 °C 7.1: 90 percent / trifluoroacetic acid / CH2Cl2 / 24 h / 20 °C View Scheme