Chemical Oxidation Studies of β-Hydroxy-sulfides withtris(4-Bromophenyl)aminium Hexachloroantimonate: Diastereoselective Sulfoxide Obtaining and Pinacol-Type Rearrangement
摘要:
The chemical oxidation of some beta-hydroxy-sulfides in the presence of tris(4-bromo-phenyl)aminium hexachloroantimonate (TBPA) is reported. The oxidation of 2-ethylsulfanyl-cyclohexan-1-ol (cis- and trans-) resulted the corresponding sulfoxides with good diastereoselectivity (d.e.; approximate to50%) and for 2-methyl-2-ethylsulfanyl-cyclohexan-1-ol and 2-ethylsulfanyl-1,2-diphenyl-ethanol, the corresponding nonsulfanylated ketones (61-75%) and ethyl ethanethiolsulfonate (51-65%) were obtained via oxidative cleavage and pinacol-type rearrangement.
Chemical Oxidation Studies of β-Hydroxy-sulfides withtris(4-Bromophenyl)aminium Hexachloroantimonate: Diastereoselective Sulfoxide Obtaining and Pinacol-Type Rearrangement
摘要:
The chemical oxidation of some beta-hydroxy-sulfides in the presence of tris(4-bromo-phenyl)aminium hexachloroantimonate (TBPA) is reported. The oxidation of 2-ethylsulfanyl-cyclohexan-1-ol (cis- and trans-) resulted the corresponding sulfoxides with good diastereoselectivity (d.e.; approximate to50%) and for 2-methyl-2-ethylsulfanyl-cyclohexan-1-ol and 2-ethylsulfanyl-1,2-diphenyl-ethanol, the corresponding nonsulfanylated ketones (61-75%) and ethyl ethanethiolsulfonate (51-65%) were obtained via oxidative cleavage and pinacol-type rearrangement.