Nazarov Cyclization of Bis ([2.2]paracyclophane-1,9-dienyl) Ketone: First Synthesis of a Bis([2.2]paracyclophane)-Anellated Cyclopenta-1,4-diene. -The anellated cyclopentanone derivatives (II) and (III) can be obtained by Nazarov cyclization of the ketone (I). (III) is successfully transformed into
ChemInform Abstract: The First Synthesis and Characterization of Both Diastereomers of a Di[2.2]paracyclophane: 4,4′-Bis(1,1,2,2,9,9,10,10-octafluoro[2.2]paracyclophane).
✍ Scribed by A. J. Roche; J.-X. Duan; W. R. Dolbier Jr.; K. A. Abboud
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 26 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0931-7597
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## Abstract The title compounds 8 and 1 have been synthesized in three steps each from 1,2‐dibromo[2.2]paracyclophan‐1‐ene (2) and 1,2,9,10‐tetrabromo[2.2]paracyclophane‐1,9‐diene (4), respectively. Copper‐mediated coupling of vinyl bromides 2 and 4 with methyl‐ and phenylmagnesium bromide gives su
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