Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: cis-Cyclohexane-1,2-dicarboxylic acid, is researched, Molecular C8H12O4, CAS is 610-09-3, about Mass spectra of carboxylic acids. IV. Carboxyl-carboxyl interaction in some cycloalkane-1,2-dicarboxylic acids and its relation with molecular geometry.Synthetic Route of C8H12O4.
The interaction of the (arboxyl groups in the fragmentation of the mol. ions of trans-cyclohexane-1,2-dicarboxylic acid and cis-cyclobutane-1,2-dicarboxylic acid distinguishes these acids from their cis and trans isomers, resp. This ortho effect is related to the geometrical arrangement of the carboxyl groups in the ground-state mols.
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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics