A novel acid-catalyzed rearrangement of 9,10-diaryl-9,10-dihydroanthracene-9,10-diols affording 10,10′-diaryl-9-anthrones
✍ Scribed by Mario Smet; Joachim Van Dijk; Wim Dehaen
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- French
- Weight
- 962 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0040-4020
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9,10-Didehydroanthracene ( 1) is an interesting derivative of which is formed by monodecarbonylation of 2. Carbene 7 is labile towards visible-light irradiation and easily looses the p-benzyne that has been subject of several studies. In contrast to an earlier report, the photochemical second CO mol
X-ray analysis of the title complex revealed hydrogen-bonded chains comprising two crystallographically independent types of trans-9,10-dihydroxy-9,10-diphenyl-9,10-dihydroanthracene molecules, in which the central 1,4-cyclohexadiene rings are respectively flat and very slightly puckered, with Che e