α,β-Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. II. A Novel Synthesis of α-Sulfenylated Ketones and α-Sulfenylated Aldehydes from α,β-Epoxy Sulfoxides
作者:Tsuyoshi Satoh、Takumi Kumagawa、Koji Yamakawa
DOI:10.1246/bcsj.58.2849
日期:1985.10
Treatment of α,β-epoxy sulfoxides, prepared from 1-chloroalkyl phenyl sulfoxides and carbonyl compounds, with various kinds of alkane- or arenethiolates afforded α-sulfenylated ketones in good yields. This method also offered a novel procedure for a synthesis of α-sulfenylated aldehydes.
Stereochemically controlled synthesis of spirocyclic lactones and ethers from -methyl-4-piperidone and 3-quinuclidinone by phenylthio migration
作者:Iain Coldham、Eric W. Collington、Peter Hallett、Stuart Warren
DOI:10.1016/s0040-4039(00)80748-0
日期:1988.1
Phenylthio migration coupled to stereoselective aldol reactions provides single diastereoisomers of allylic sulphides and spirocyclic tetrahydrofurans and butenolides based on the piperidine and quinuclidine skeletons.