indazolone

English

From indazole ‎ -one.

indazolone (countable and uncountable, plural indazolones)

(chemistry) An unstable bicyclic heterocycle derived from indazole that has analgesic, sedative, and spasmolytic properties.
- 1960, Pierre Glafkidès, Photographic Chemistry, volume 2, page 603:
  In the case of the indazolones the link with the p-phenylenediamine is via the middle NH group.
- 1971, “Journal: Organic”, in Chemical Society, numbers 4-7, Great Britain, page 982:
  2,3,4,5-Tetraphenylcyclopentadienone (tetracyclone) was added to the dichloromethane as a trap for the indazolones […]