Behaviour of a naphthopyranone derivative towards some nitrogen and carbon nucleophiles
9-(p-Anisyl)-6a,7,8,9-tetrahydro-6-oxo-6H-benzonaphtholpyran-7,8-dicarboxylic acid (3) has been prepared by cycloaddition of 4-(p-methoxystyryl)-2H-naphtholpyran-2-one (2) with maleic anhydride.The reactions of 3 with amines, phosphorous
Essawy, S A,El-Kady, M Y,Metwally, R N,El-Shenawy, A I
p. 39 - 43
(2007/10/02)
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