𝔖 Bobbio Scriptorium
✦   LIBER   ✦

ChemInform Abstract: Differentiation Between 1,2,4,5-Tetraoxanes and 1,2,4,5,7,8-Hexaoxonanes Using 1H and 13C NMR Analyses.

✍ Scribed by Yuxiang Dong; Jonathan L. Vennerstrom

Publisher
John Wiley and Sons
Year
2010
Weight
32 KB
Volume
32
Category
Article
ISSN
0931-7597

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 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 via the “References” option.

📜 SIMILAR VOLUMES

Differentiation between 1,2,4,5-tetraoxa
Differentiation between 1,2,4,5-tetraoxanes and 1,2,4,5,7,8-hexaoxonanes using 1H and 13C NMR analyses
✍ Yuxiang Dong; Jonathan L. Vennerstrom 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 38 KB

## Abstract The proton and carbon resonance spectra of ten pairs of 1,2,4,5‐tetraoxanes and 1,2,4,5,7,8‐hexa‐oxonanes derived from acyclic and cyclic ketones have been recorded. A reliable method for distinguishing between 1,2,4,5‐tetraoxanes and 1,2,4,5,7,8‐hexaoxonanes by inspection of their chem

Azinoiminophosphorane mediated 4H,8H-1,2
Azinoiminophosphorane mediated 4H,8H-1,2,4-triazolo[1,5-C]-[1,3]oxazepin-4-ones and 5,6-dihydro-7H, 12H-naphtho[2,1-f]-[1,2,4]triazolo[1,5-c][1,3]oxazepin-7-ones synthesis
✍ Kyoung Tae Kim; Chang Hoon Lee; Kee-Jung Lee 📂 Article 📅 2003 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 41 KB 👁 1 views

## Abstract The aza‐Wittig reactions of benzaldehyde‐, acetophenone‐ and benzophenone 1‐[(triphenylphosphor‐anylidene)amino]ethylidenehydrazones (**1**) with 2,3‐furandiones **6** provide a new route to 4__H__,8__H__‐1,2,4‐triazolo[1,5‐__c__][1,3]oxazepin‐4‐ones **14** or 5,6‐dihydro‐7__H__,12__H__