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Synlett 2000; 2000(12): 1757-1760
DOI: 10.1055/s-2000-8682
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A New and Effective Method to Carbazoquinocin C and Related Carbazole-3,4-quinones as Biological Antioxidants: Key Reactions of 2-Vinylindoles with Oxalyl Chloride

Alparslan Aygün* , Ulf Pindur
  • *Institut für Pharmazie, Fachbereich Chemie und Pharmazie, Universität Mainz, Staudinger Weg 5, 55099 Mainz, Germany; Fax +49(6131)3 92 56 20; E-mail: pindur@mail.uni-mainz.de
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Publication Date:
31 December 2000 (online)

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The alkaloid carbazoquinocin C and some derivatives were synthesized in a few steps with good to excellent yields. The strategy outlined promises to be very convenient and highly economical compared with other methods reported. The key step comprises a cyclisation reaction of appropriate 2-vinylindoles with oxalyl chloride.

carbazole alkaloids - carbazole-3,4-quinones - cyclization - antioxidants

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