Abstract
1,2,3-Indantrione (II) reacts with dialkyl phosphites, yielding colourless 2:1 adducts, believed to have structure III. 2-Benzylidene-1,3-indandione (IX) reacts with diethyl phosphite, forming 1:1 adduct, having structure X. The action of triethyl phosphite on IX in benzene solution has been investigated and the resulting 1:1 adduct could have structure XIII. The UV, IR and NMR spectra of the adducts are in favour of the proposed structures.
Published Version
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