Chemistry of Heterocyclic Compounds

, Volume 15, Issue 6, pp 597–602 | Cite as

Intramolecular cyclization of 2-aryl-3-aminoacetyl-1,4-naphthoquinones to 3-benzocoumaranone derivatives

  • É. Ya. Lokmane
  • L. Ya. Larinya
  • Ya. F. Freimanis
  • I. B. Mazheika
  • É. É. Liepin'sh


The isomerization of 2-aryl-3-(N-alkyl-N-arylamino)acetyl-1,4-naphthoquinones to 2-(N-alkyl-N-arylamino)-4-aryl-5-hydroxy-6,7-benzocoumaran-3-ones was studied. The structures of the compounds obtained were confirmed by the data from the UV, IR, mass and PMR spectra.


Organic Chemistry Naphthoquinones Intramolecular Cyclization 
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Copyright information

© Plenum Publishing Corporation 1979

Authors and Affiliations

  • É. Ya. Lokmane
    • 1
  • L. Ya. Larinya
    • 1
  • Ya. F. Freimanis
    • 1
  • I. B. Mazheika
    • 1
  • É. É. Liepin'sh
    • 1
  1. 1.Institute of Organic SynthesisAcademy of Sciences of the Latvian SSRRiga

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