Trioxypentafulvenes, 2 synthesis of 1‐substituted 2,3,6‐trioxypentafulvenes

Pedro Victory, Angel Alvarez‐Larena, Carlos Beti, Joséa I. Borrell, Xavier Batllori, Carlos Córdoba

Research output: Indexed journal article Articlepeer-review

9 Citations (Web of Science)


Syntheses of 2,3,6‐trioxypentafulvenes with a free position at the ring are described, in which the protection of the C‐3 hydroxy group as methoxy or acetoxy derivative has been required. The difference in the behavior of the title compounds in relation to the previously reported 1,4‐disubstituted 2,3,6‐trihydroxypentafulvenes 2a‐e, which only exhibit enol forms, is discussed and attributed to the disappearance of the push‐pull system formed by the C‐3 enol group and the C‐4 electron‐withdrawing substituent.

Original languageEnglish
Pages (from-to)207-212
Number of pages6
JournalChemische Berichte
Issue number1
Publication statusPublished - 1991


  • 2,3,6‐Trioxypentafulvenes
  • Keto‐enol tautomerism
  • Push‐pull system


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