Synthesis of dixanthones and poly(dixanthone)s by cyclization of 2-aryloxybenzonitriles in trifluoromethanesulfonic acid

Organic Letters

Volumn 3, Issue 15, 2001, Pages 2337-2340

  Colquhoun, Howard M ^a,c   Lewis, David F ^a   Williams, David J ^b  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

^b IMPERIAL COLLEGE LONDON   (United Kingdom)

^c UNIVERSITY OF READING   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0041910911     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol010097+     Document Type: Article

References (12)

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2. (b) Hepworth, J. D. In Comprehensive Heterocyclic Chemistry; Boulton A. J., McKillop, A., Eds.; Pergamon: Oxford, 1984; Vol. 3, pp 835-840.
3. Bichan, D. J.; Yates, P. Can. J. Chem. 1975, 53, 2054-2063.
4. Olah, G. A.; Mathew, T.; Farnia, M.; Prakash, G. K. S. Synlett 1999, 1067-1068 and references therein.
5. Okogun, J. I.; Okwute, K. S. J. Chem. Soc., Chem. Commun. 1975, 8.
6. For a serendipitous synthesis of a polyxanthone, see: Kricheldorf, H. R.; Adebahr, T. Makromol. Chem. 1993, 194, 2103-2115.
7. Laidlaw, G. M.; Collins, J. C.; Archer, S.; Rosi, D.; Schulenberg, J. W. J. Org. Chem. 1973, 38, 1743-1746.
8. Booth, B. L.; Noori, G. F. M. J. Chem. Soc., Perkin Trans. 1 1980, 2894-2900.
9. 2 data and the SHELXTL program package version 5.03.
10. 3. Data collection and structure solution as for compound 7.
11. Colon, I.; Kelsey, D. J. Org. Chem. 1986, 51, 2627-2637.
12. Semmelhack, M. F.; Helquist, P. M.; Jones, L. D. J. Am. Chem. Soc. 1971, 93, 5908-5910.