A facile aminocyclization for the synthesis of pyrrolidine and piperidine derivativesElectronic supplementary information (ESI) available: experimental details and characterization data. See http://www.rsc.org/suppdata/cc/b3/b304157c/
A Novel Synthesis of γ,δ-Unsaturated Aldehydes from α-Formyl-γ-lactones
作者:Roger L. Snowden、Robert Brauchli、Simon Linder
DOI:10.1002/hlca.201000447
日期:2011.7
A preparatively useful one‐step transformation of γ,γ‐disubstituted α‐formyl‐γ‐lactones into trisubstituted γ,δ‐unsaturated aldehydes is described, by means of catalytic amounts of either AcOH or AcOEt in the vapor phase over a glass support. A mechanistic rationale is proposed.