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  2. 3,5-Dihydroxybenzoic acid - Wikipedia

    en.wikipedia.org/wiki/3,5-Dihydroxybenzoic_acid

    It is prepared by disulfonation of benzoic acid followed by hydrolysis of the disulfonate. [3] It is a metabolite of alkylresorcinols, first identified in human urine [4] and can be quantified in urine [5] and plasma, [6] and may be an alternative, equivalent biomarker of whole grain wheat intake. [7]

  3. Dihydroxybenzoic acid - Wikipedia

    en.wikipedia.org/wiki/Dihydroxybenzoic_acid

    Dihydroxybenzoic acids (DHBA) are a type of phenolic acids. There are six main compounds, having all the same molecular formula C 7 H 6 O 4. Those are: 2,3-Dihydroxybenzoic acid (2-Pyrocatechuic acid or hypogallic acid) 2,4-Dihydroxybenzoic acid (β-Resorcylic acid) 2,5-Dihydroxybenzoic acid (Gentisic acid) 2,6-Dihydroxybenzoic acid (γ ...

  4. 2,3-dihydro-2,3-dihydroxybenzoate dehydrogenase - Wikipedia

    en.wikipedia.org/wiki/2,3-dihydro-2,3-dihydroxy...

    2,3-diDHB dehydrogenase catalyzes the NAD +-dependent oxidation of 2,3-dihydro-2,3-dihydroxybenzoate to produce an aromatic compound 2,3-dihydroxybenzoic acid (2,3-DHB or simply DHB). [4] In times of iron deficiency, iron uptake is controlled by three genes: ent , fep , and fes for synthesis, export, and uptake of ferric Enterobactin and its ...

  5. 2,4-Dihydroxybenzoic acid - Wikipedia

    en.wikipedia.org/wiki/2,4-Dihydroxybenzoic_acid

    2,4-Dihydroxybenzoic acid (β-resorcylic acid) is a dihydroxybenzoic acid. As a resorcylic acid, it is one of the three isomeric crystalline acids that are both carboxyl derivatives of resorcinol and dihydroxy derivatives of benzoic acid. [4] Synthesis from resorcinol is via the Kolbe-Schmitt reaction. [5]

  6. 2,3-dihydroxybenzoate 2,3-dioxygenase - Wikipedia

    en.wikipedia.org/wiki/2,3-dihydroxybenzoate_2,3...

    In enzymology, a 2,3-dihydroxybenzoate 2,3-dioxygenase (EC 1.13.11.28) is an enzyme that catalyzes the chemical reaction. 2,3-dihydroxybenzoate + O 2 2-carboxy-cis,cis-muconate. Thus, the two substrates of this enzyme are 2,3-dihydroxybenzoate and O 2, whereas its product is 2-carboxy-cis,cis-muconate.

  7. Danheiser benzannulation - Wikipedia

    en.wikipedia.org/wiki/Danheiser_Benzannulation

    Mycophenolic acid was prepared in nine steps in an overall yield of 17-19%. [15] Scheme 14:Benzannulation Toward the Synthesis of Mycophenolic Acid. In the synthesis of highly substituted indoles performed by Danheiser, the key step was a benzannulation reaction using cyclobutenone and ynamides to produce highly substituted aniline derivatives.

  8. Dakin oxidation - Wikipedia

    en.wikipedia.org/wiki/Dakin_oxidation

    The Dakin oxidation (or Dakin reaction) is an organic redox reaction in which an ortho- or para-hydroxylated phenyl aldehyde (2-hydroxybenzaldehyde or 4-hydroxybenzaldehyde) or ketone reacts with hydrogen peroxide (H 2 O 2) in base to form a benzenediol and a carboxylate.

  9. Büchner–Curtius–Schlotterbeck reaction - Wikipedia

    en.wikipedia.org/wiki/Büchner–Curtius...

    [4] [5] The reaction has since been extended to the synthesis of β-keto esters from the condensation between aldehydes and diazo esters. [6] The general reaction scheme is as follows: General Scheme for Buchner Reaction. The reaction yields two possible carbonyl compounds (I and II) along with an epoxide (III). The ratio of the products is ...