ChemInform Abstract: Preparation and Cycloaddition Reactions of Novel Heterocyclic Mesomeric Betaines.
β Scribed by David O. Morgan; W. David Ollis; Stephen P. Stanforth
- Publisher
- John Wiley and Sons
- Year
- 2000
- Weight
- 33 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0931-7597
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Synthesis of New Conjugated Mesomeric Betaines from Alkoxycarbonylazinium Salts. -Treatment of the iodide (I), which is generated from 2-ethoxycarbonylpyridinium N-aminide, with aminoheterocycles leads to various mesomeric betaines like (III) and (VI). In some cases, however, desired betaines are n
Synthesis of Mesomeric Betaines, Quinoliziniumides, via Back-Donated 1,6-Cyclization. -3-Aminopyridinium salts (I) react with polarized olefins to form the corresponding 3-aminopyridinium N-allylides (III). Thermolysis in xylene or acetic acid affords the back-donated 1,6-cyclization products (IV)
## 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 βFull Textβ option. The original article is trackable v