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Heterocyclic acetic acids, general structure

FIGURE 13.6 General structure for heterocyclic acetic acids. [Pg.328]

Flavonoids occur both in the free state and as glycosides. Their chemical structure is based on a C15 skeleton consisting of two benzene rings connected by a three-carbon chain, that is, C -Ci-C. The three-carbon chain is generally closed to form a heterocyclic ring (the C-ring). Flavonoids are products of both the shikimic acid and acetate pathways, being formed by the condensation of a phenyl-propanoid precursor with three malonyl coenzyme A units. [Pg.33]

See other pages where Heterocyclic acetic acids, general structure is mentioned: [Pg.328]    [Pg.205]    [Pg.978]    [Pg.194]    [Pg.328]    [Pg.382]    [Pg.265]    [Pg.278]    [Pg.978]    [Pg.403]    [Pg.403]    [Pg.351]    [Pg.300]    [Pg.403]    [Pg.91]    [Pg.149]    [Pg.202]    [Pg.608]    [Pg.48]    [Pg.609]    [Pg.159]   
See also in sourсe #XX -- [ Pg.328 ]



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General structure

Heterocycles structure

Heterocyclic acids

Heterocyclic structures

Structural generalization

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