## 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, please click on HTML or PDF.
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3-substituted-1,2,4-oxadiazolin-5-one; A useful amidine precursor and protecting group
โ Scribed by Richard E Bolton; Steven J Coote; Harry Finch; Andrew Lowdon; Neil Pegg; M Victoria Vinader
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- French
- Weight
- 177 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
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## 2-PhenyC4-p-tolylhydrazono-2-oxazoline-5-one (3) was rearranged by the action ofphenols and naphthols into 1,2,4-triazole-5-carboxylic esters (5) that were rearranged further o n reflux in AcOH-ZnCl, into triazolyl ketones (7). Rearrangement of 3 into 1,2,4-triazole derivatives could also be ef