The Synthesis and Application of 3,6-Bis(triphenylphosphonium) Cyclohexene Dichromate: An Efficient Oxidizing Agent
摘要:
The synthesis of 3,6-bis(triphenylphosphonium) cyclohexene dichromate is described. This reagent oxidizes primary and secondary alcohols to their corresponding carbonyl compounds thiols to disulfides, and amines to their azo compounds.
Siloxy groups derived from secondary and tertiary benzyl alcohols can be transformed into azide groups at room temperature using TMSN3 in the presence of an iron catalyst (see scheme; TMS=trimethylsilyl). Secondary and tertiary benzylic silyl ethers can be transformed in the presence of primary silyl ethers, and other reactive functional groups, such as alkyl chlorides, α,β‐unsaturated esters, and aldehydes