tetrabutyl ammonium fluoride; bis(η3-allyl-μ-chloropalladium(II)) in tetrahydrofuran T=20°C; 58 h; Title compound not separated from byproducts.;

1: 85 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / 2 h / -78 - 20 °C 2: 93 percent / diethyl ether / 0.5 h / 20 °C 3: 86 percent / Et3N / CH2Cl2 / 1 h / 20 °C 4: 83 percent / [(CF3)2C(Me)O]2Mo[CHCMe2Ph][N-2,6-diisopropylphenyl)] / benzene / 24 h / 20 °C 5: π-allylpalladium chloride dimer; tetrabutylammonium fluoride / tetrahydrofuran / 60 h / 20 °C View Scheme

1: 93 percent / diethyl ether / 0.5 h / 20 °C 2: 86 percent / Et3N / CH2Cl2 / 1 h / 20 °C 3: 83 percent / [(CF3)2C(Me)O]2Mo[CHCMe2Ph][N-2,6-diisopropylphenyl)] / benzene / 24 h / 20 °C 4: π-allylpalladium chloride dimer; tetrabutylammonium fluoride / tetrahydrofuran / 60 h / 20 °C View Scheme

1.1: potassium azodicarboxylate; acetic acid; pyridine / methanol / 10 h / 20 °C 1.2: 56 percent / n-BuNH2 / 10 h / 20 °C 2.1: 85 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / 2 h / -78 - 20 °C 3.1: 93 percent / diethyl ether / 0.5 h / 20 °C 4.1: 86 percent / Et3N / CH2Cl2 / 1 h / 20 °C 5.1: 83 percent / [(CF3)2C(Me)O]2Mo[CHCMe2Ph][N-2,6-diisopropylphenyl)] / benzene / 24 h / 20 °C 6.1: π-allylpalladium chloride dimer; tetrabutylammonium fluoride / tetrahydrofuran / 60 h / 20 °C View Scheme

1: 86 percent / Et3N / CH2Cl2 / 1 h / 20 °C 2: 83 percent / [(CF3)2C(Me)O]2Mo[CHCMe2Ph][N-2,6-diisopropylphenyl)] / benzene / 24 h / 20 °C 3: π-allylpalladium chloride dimer; tetrabutylammonium fluoride / tetrahydrofuran / 60 h / 20 °C View Scheme

1: 83 percent / [(CF3)2C(Me)O]2Mo[CHCMe2Ph][N-2,6-diisopropylphenyl)] / benzene / 24 h / 20 °C 2: π-allylpalladium chloride dimer; tetrabutylammonium fluoride / tetrahydrofuran / 60 h / 20 °C View Scheme

1: 91 percent / KOH; I2 / methanol; H2O / 3 h / 20 °C 2: 56 percent / pyridine; acetic acid; potassium azodicarboxylate / methanol / 10 h 3: 85 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / -78 - 20 °C 4: 93 percent / diethyl ether / 0.5 h / 20 °C 5: 86 percent / Et3N / CH2Cl2 / 0 - 20 °C 6: 83 percent / [(CF3)2MeCO]2Mo(=CHCMe2Ph)(=NC6H3-2,6-i-Pr2) / benzene / 24 h / 20 °C 7: tetrabutylammonium fluoride / allylpalladium chloride dimer / tetrahydrofuran / 58 h / 20 °C View Scheme

lithium aluminium tetrahydride in diethyl ether 1) room temp., 15 h, 2) reflux, 1 h;

lithium diethylamide in N,N,N',N',N'',N''-hexamethylphosphoric triamide

1: With selenium(IV) oxide; oxygen Oxidation; Acetylation; 12 h; Heating; 2: With lithium aluminium tetrahydride in tetrahydrofuran; diethyl ether T=36 - 40°C; Reduction; 2 h;