tetraphosphorus decasulfide; bis-trimethylsilyl ether; sulfur in xylene 1 h; Heating;

1: cyclohexanone With potassium hydride in tetrahydrofuran Metallation; 0.25 h; 2: carbon disulfide With bis(trimethylsilyl)-sulfide in tetrahydrofuran Substitution; 0.333333 h; 3: With 1,2,2-trichloro-1,1,2-trichloro-ethane in tetrahydrofuran T=0°C; Oxidation; 0.5 h;

1: 1.05 M potassium tert-butoxide / dimethylformamide; benzene / 1 h / Ambient temperature 2: 1.) N-chlorosuccinimide; 2.) (Me3Si)2S, imidazole / 1.) CH2Cl2, 0 deg C, 20 min; 2.) CH2Cl2, RT, 18 h View Scheme

diphosphorus pentasulfide; xylene

1: diethyl ether 2: methanol; hydrogen chloride 3: phosphorus (V)-sulfide; xylene View Scheme

1: methanol; hydrogen chloride 2: phosphorus (V)-sulfide; xylene View Scheme

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