53307-72-5Relevant articles and documents
Polycyclic Compounds: Part I - Synthesis and Reactions of 2-Aryl-3-hydroxyphenalen-1-ones
Ayyangar, N. R.,Joshi, S. V.,Lugade, A. G.
, p. 1043 - 1046 (2007/10/02)
The reaction of naphthalic anhydride (I) with arylacetic acids results in the formation of 3-hydroxy-2-arylphenalen-1-ones (IIa, IIb) and 3-arylmethylene-1H,3H-naphthopyran-1-ones (IVa, IVb).Complete spectral evidence in favour of structure (IIa)