𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis of α,β-unsaturated spirolactams by intramolecular cyclization of endocyclic N-Acyliminium ions.

✍ Scribed by Maria J. Martín; Francisco Bermejo

Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
258 KB
Volume
36
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Stereoselective Cycloaddition of N-Acyli
Stereoselective Cycloaddition of N-Acyliminium Ions with α,β-Unsaturated Ketones and Esters
✍ Lingfeng Qiao; Yuehua Zhou; Wei Zhang 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 120 KB 👁 1 views

## Abstract The [4+2] reactions of __N__‐acyliminium ions, produced from 2‐aryl‐3‐hydroxy‐2,3‐dihydroisoindol‐1‐ones or 5‐hydroxy‐1‐phenyl‐2,5‐dihydro/2,3,4,5‐tetrahydropyrrol‐2‐ones in the presence of BF~3~OEt~2~, with __α__,__β__‐unsaturated ketones or esters were examined, and the dependence of

Exocyclic–Endocyclic N-Acyliminium Ion E
Exocyclic–Endocyclic N-Acyliminium Ion Equilibration via an Intramolecular α-Thioamidoalkylation in the Synthesis of Fused N,S-Heterocyclic Systems: Some New Parameters
✍ Nicolas Hucher; Anthony Pesquet; Pierre Netchitaïlo; Adam Daïch 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 231 KB

## Abstract The reactivity of __N__‐[aryl(or alkyl)thio(oxo or seleno)alkylamidals **6** bearing the __N__‐(CH~2~)__~n~__‐X‐(CH~2~)__~m~__‐Ar functionality towards neat TFA has been examined. Substrates of type **6** give, together with the products **11**, **17**, **19**, and **25** of the “expect