101291-27-4Relevant articles and documents
Syntheses of Angular Condensed Ring Systems Combining a Benzodiazepinic, or Benzothiazepinic, and a Coumarinic Moiety
Djudjic, R.,Trkovnik, M.
, p. 77 - 82 (2007/10/02)
The title compounds were prepared via intermediates resulting from reactions of 3-formyl-4-hydroxycoumarin (1) with o-phenylenediamine, o-aminophenol and o-aminothiophenol, respectively.Intramolecular ring closures were effected between the free hydroxy and amino or thiol groups.