## 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 βFull Textβ option. The original article is trackable v
Some 1-aroyl-4,4-dialkylsemicarbazides and their cyclization to afford 5-aryl-1,3,4-oxadiazol-2(3H)-ones
β Scribed by John S. Davidson
- Publisher
- Springer Vienna
- Year
- 1988
- Tongue
- English
- Weight
- 127 KB
- Volume
- 119-119
- Category
- Article
- ISSN
- 0026-9247
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Synthesis of Some 3-Aroyl-4-alkylbenzopyran-1H-1-ones and Mechanistic Studies on the Synthesis of 3-Aroyl-4-arylbenzopyran-1H-1-ones. -Base-mediated reaction of o-acylbenzoic acids (I) with bromoacetophenones (II) gives selectively the title 3-aroylbenzopyranones (III) (7 examples), while similar r