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4‑Hydroxybenzaldehyde (para‑hydroxybenzaldehyde) is an organic compound with the formula C 6 H 4 OH(CHO). [ 4 ] [ 5 ] Along with 2-hydroxybenzaldehyde and 3-hydroxybenzaldehyde , it is one of the three isomers of hydroxybenzaldehyde .
4-Hydroxybenzaldehyde This page was last edited on 30 July 2023, at 13:43 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
Salicylaldehyde is produced by condensation of phenol with formaldehyde to give hydroxybenzyl alcohol, which is oxidized to the aldehyde. [4] Salicylaldehydes in general are prepared by ortho-selective formylation reactions from the corresponding phenol, for instance by the Duff reaction, Reimer–Tiemann reaction, or by treatment with paraformaldehyde in the presence of magnesium chloride and ...
Pages in category "4-Hydroxyphenyl compounds" The following 155 pages are in this category, out of 155 total. ... 4-Hydroxybenzaldehyde; 4-Hydroxybenzyl isothiocyanate;
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. Overall, the carbonyl group is oxidised, whereas the H 2 O 2 is reduced.
4-Hydroxybenzoic acid, also known as p-hydroxybenzoic acid (PHBA), is a monohydroxybenzoic acid, a phenolic derivative of benzoic acid.It is a white crystalline solid that is slightly soluble in water and chloroform but more soluble in polar organic solvents such as alcohols and acetone. 4-Hydroxybenzoic acid is primarily known as the basis for the preparation of its esters, known as parabens ...
3-Hydroxybenzaldehyde is an organic compound with the formula HOC 6 H 4 CHO. It is a colorless solid although most samples appear tan. It is a colorless solid although most samples appear tan. Two other isomers of hydroxybenzaldehyde exist.
3,4-Dihydroxybenzaldehyde, also known as protocatechuic aldehyde, is a phenolic aldehyde, a compound released from cork stoppers into wine. [1] It is an isomer of 2,4-dihydroxybenzaldehyde . This molecule can be used as a precursor in the vanillin synthesis by biotransformation by cell cultures of Capsicum frutescens , a type of Chili pepper. [ 2 ]