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Volumn 49, Issue 46, 2008, Pages 6579-6584

BCl3-promoted synthesis of benzofurans

Author keywords

Benzofuran; Boron trichloride; Cyclodehydration; Lewis acid; Naphthofuran; Regioselectivity

Indexed keywords

BENZOFURAN DERIVATIVE; BORON TRICHLORIDE; CARBONYL DERIVATIVE; CHLORIDE; LEWIS ACID; NATURAL PRODUCT; UNCLASSIFIED DRUG;

EID: 53149112677     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2008.09.034     Document Type: Article
Times cited : (40)

References (31)
  • 3
    • 0000084592 scopus 로고    scopus 로고
    • Katritzky A.R., Rees C.W., and Scriven E.F.V. (Eds), Pergamon Press
    • In: Katritzky A.R., Rees C.W., and Scriven E.F.V. (Eds). Comprehensive Heterocyclic Chemistry II Vol. 2 (1996), Pergamon Press 259
    • (1996) Comprehensive Heterocyclic Chemistry II , vol.2 , pp. 259
  • 4
    • 0000338761 scopus 로고
    • Katritzky A.R., and Rees C.W. (Eds), Pergamon Press
    • In: Katritzky A.R., and Rees C.W. (Eds). Comprehensive Heterocyclic Chemistry Vol. 4 (1984), Pergamon Press 531
    • (1984) Comprehensive Heterocyclic Chemistry , vol.4 , pp. 531
  • 24
    • 0032858829 scopus 로고    scopus 로고
    • 3 was used to make benzofurans via demethylation and cyclodehydration, only four examples are shown and the yields are low.
    • 3 was used to make benzofurans via demethylation and cyclodehydration, only four examples are shown and the yields are low. Dupont R., and Cotelle P. Synthesis (1999) 1651
    • (1999) Synthesis , pp. 1651
    • Dupont, R.1    Cotelle, P.2
  • 25
    • 53149151117 scopus 로고    scopus 로고
    • note
    • 4, and concentrated under reduced pressure. The resulting residue was purified by silica gel column chromatography to give the benzofuran or naphthofuran 5.
  • 26
    • 53149097037 scopus 로고    scopus 로고
    • note
    • Spectral data:
  • 27
    • 53149151919 scopus 로고    scopus 로고
    • note
    • 3 led to the only demethylated product 5e′.{A figure is presented}
  • 30
    • 53149132056 scopus 로고    scopus 로고
    • note
    • 3, which is believed to be consumed as a consequence of the coordination to the ester moiety in 4p.
  • 31
    • 53149148966 scopus 로고    scopus 로고
    • note
    • CCDC 694499 contains the supplementary crystallographic data for compound 5p. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.