bis (3-tert-butyl-4-hydroxy-5-methyl phenyl)-sulfide; 3-chloro-benzenecarboperoxoic acid in 1,2-dichloro-ethane T=55°C; 12 h;

1: With triphenylphosphine in tetrahydrofuran T=0°C; 1 h; 2: With water in tetrahydrofuran T=20 - 55°C; 14 h;