N-acyl-5,5-dimethyl-oxazolidin-2-ones as latent aldehyde equivalents
作者:Jordi Bach、Steven D. Bull、Stephen G. Davies、Rebecca L. Nicholson、Hitesh J. Sanganee、Andrew D. Smith
DOI:10.1016/s0040-4039(99)01345-3
日期:1999.9
N-acyl-5,5-dimethyl-oxazolidin-2-ones can function as versatile latent aldehyde equivalents - reductive cleavage with DIBAL-H affords aldehydes in good yield, while tandem DIBAL-H/Wittig methodology affords α,β-unsaturatedesters.
Synthesis and Stereospecific Fragmentation of 3-Thiabicyclo[3.1.0]hexane 3,3-Dioxides
作者:Hsi-Hwa Tso、Li-Hong Tseng、Yu-Ying Yu
DOI:10.3987/com-93-6558
日期:——
Synthesis of new stereoisomeric 3-thiabicyclo[3.1.0]hexane 3,3-dioxides and experimental proof of their fragmentation to 1,4-dienes by a concerted, disrotatory process are described.