357914-68-2Relevant academic research and scientific papers
Studies on the synthesis of 2,6-disubstituted dihydropyrans: Intervention of oxonia-cope rearrangements in the lewis acid mediated cyclodehydrative reactions of aldehydes and β-hydroxyallylsilanes
Roush,Dilley
, p. 955 - 959 (2001)
The dehydrative coupling reactions of anti-β-hydroxyallylsilanes 5 and aldehydes provide 2,6-cis-dihydropyrans 27 by pathways involving oxonium ions that cyclize via boat-like transition state 21, with the intervention of oxonia-Cope rearrangements (21 → 29).
