Furans bearing epoxy enolsilane units via a tether that incorporates a nitrogen heteroatom,undergo intramolecular(4+3)cycloadditions to generate bis-heteroatomic polycyclic adducts having piperidine moieties in their ...Furans bearing epoxy enolsilane units via a tether that incorporates a nitrogen heteroatom,undergo intramolecular(4+3)cycloadditions to generate bis-heteroatomic polycyclic adducts having piperidine moieties in their frameworks.The cycloadducts,ultimately derived from furfural,a renewal chemical feedstock,are obtained with up to 4:1 dr and with ee retained from the epoxide.展开更多
基金supported by the Research Grants Council General Research Fund (No. 17301314)
文摘Furans bearing epoxy enolsilane units via a tether that incorporates a nitrogen heteroatom,undergo intramolecular(4+3)cycloadditions to generate bis-heteroatomic polycyclic adducts having piperidine moieties in their frameworks.The cycloadducts,ultimately derived from furfural,a renewal chemical feedstock,are obtained with up to 4:1 dr and with ee retained from the epoxide.