Reaction of Phosphonium Ylides with Alkyldichloroboranes
✍ Scribed by Prof. Dr. Hans-Jürgen Bestmann; Dr. Thomas Arenz
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 232 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
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## 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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The active ketenylidene-(2a) or thioketenylidenetriphenylphosphoranes (2b) react with 2-benzylidene-1,3-indandione (1), 5-benzylidenebarbituric acid (11), and 4-benzylidene-1,2-diphenyl-3,5-pyrazolidinedione (16) to give the corresponding pyranones and thioxopyranones (3a,b, 12a,b) and (17a,b), resp