𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Direct Iodination of Sydnones and Their Cycloadditions to Form 5-Iodopyrazoles

✍ Scribed by Dumitraşcu, Florea ;Drâghici, Constantin ;Dumitrescu, Denisa ;Tarko, Laszlo ;Râileanu, Dan


Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
400 KB
Volume
1997
Category
Article
ISSN
0947-3440

No coin nor oath required. For personal study only.

✦ Synopsis


Abstract

Direct iodination of sydnones has been achieved using iodine monochloride, leading to yields in excess of 80%. The products were subjected to 1,3‐dipolar cycloaddition reactions affording novel 5‐iodopyrazoles.


📜 SIMILAR VOLUMES


ChemInform Abstract: Facile Access to 3,
✍ Thierry Delaunay; Mazen Es-Sayed; Jean-Pierre Vors; Nuno Monteiro; Genevieve Bal 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 43 KB

## Abstract The 1,3‐dipolar cycloaddition of 4‐halosydnones (I) with 1‐halopropiolates produces easily separable mixtures of dihalogenated pyrazolylcarboxylic esters (III).

ChemInform Abstract: Convenient Access t
✍ N. Satheesha Rai; Balakrishna Kalluraya; B. Lingappa; Shaliny Shenoy; Vedavati G 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 36 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

[3 + 2] Cycloadditions of Nitrile Oxides
✍ Irngartinger, Hermann ;Köhler, Claus-Markus ;Baum, Gerhard ;Fenske, Dieter 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 667 KB

## Abstract Three isomeric monoadducts 2aA, 2aB, and 2aC of fullerene‐70 with 2,4,6‐trimethoxybenzonitrile oxide 1a were synthesized and isolated. With a combination of FAB‐MS, ^13^C‐ and ^1^H‐NMR spectroscopy the structure of the orientational and regioisomers could be assigned. A precise X‐ray st