𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On the totally tangent lines to a generic hypersurface of degree 4n−4 in ℙn

✍ Scribed by Luciana Picco Botta; Daniela Romagnoli


Publisher
Springer
Year
1992
Tongue
English
Weight
410 KB
Volume
59
Category
Article
ISSN
0003-889X

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


A new approach to the synthesis of 4-(N-
✍ Alexander V. Stepakov; Michail A. Kinzhalov; Vitaly M. Boitsov; Liubov V. Stepak 📂 Article 📅 2011 🏛 Elsevier Science 🌐 French ⚖ 676 KB

Reaction of N-aryl substituted maleimides with aliphatic ketazines leads to the formation of 4,5-dihydropyridazin-3(2H)-ones in moderate yields. The reaction proceeds through 1,4-addition of an azine to the maleimide double bond, as confirmed by separation of the corresponding adducts in some cases,

The unexpected rearrangement of 1,5-benz
✍ Brahim Lakhrissi; Mohamed Massoui; El Mokhtar Essassi; Vincent Lequart; Nicolas 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 74 KB

## Abstract Reaction of 1,5‐benzodiazepin‐2,4‐dione with 3‐__O__‐substituted‐5,6‐anhydro‐1,2‐isopropylidene‐α‐D‐glucofuranose gave the unexpected __N,N'__‐di‐glucofuranosyl benzimidazol‐2‐one by a novel rearrangement and ring closure reaction. A mechanism is proposed.