35751-41-8Relevant articles and documents
Polycyclic Compounds: Part II-Structural Features of CI Disperse Red 303
Ayyangar, N. R.,Joshi, S. V.,Lugade, A. G.
, p. 842 - 845 (2007/10/02)
Commercial CI Disperse Red 303, a benzothioxanthene dye has been shown to consist of isomeric mixture of 1-methoxy-2-phenyl-3H-naphthothioxanthehe-3-one (I) and 3-methoxy-2-phenyl-1H-naphthothioxanthene-1-one (II), the orange and the red components respectively in almost equal amounts.Their structural assignments are based on spectral studies.