ChemInform Abstract: Reactions of Stabilized Sulfur Ylides with α,β-Unsaturated Alkoxychromiumcarbene Complexes.
✍ Scribed by B. ALCAIDE; L. CASARRUBIOS; G. DOMINGUEZ; A. RETAMOSA; M. A. SIERRA
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 34 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0931-7597
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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