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Examples include ethane-1,2-diol or ethylene glycol HO−(CH 2) 2 −OH, a common ingredient of antifreeze products. Another example is propane-1,2-diol, or alpha propylene glycol, HO−CH 2 −CH(OH)−CH 3, used in the food and medicine industry, as well as a relatively non-poisonous antifreeze product.
General structure of a 1,2-acetonide. The diol is shown in blue, the acetone part in red. In organic chemistry, an acetonide is the functional group composed of the cyclic ketal of a diol with acetone. The more systematic name for this structure is an isopropylidene ketal. Acetonide is a common protecting group for 1,2- and 1,3-diols. [1]
1,3-Propanediol is the organic compound with the formula CH 2 (CH 2 OH) 2. This 3-carbon diol is a colorless viscous liquid that is miscible with water. Products
Download QR code; Print/export ... Download as PDF; Printable version; In other projects Wikimedia Commons; ... a vicinal diol; 1,3-Propanediol, a.k.a. trimethylene ...
2-methylpropane-1,2-diol; 2-methylpropane-1,3-diol; and one unstable geminal diol: 2-methylpropane-1,1-diol (not a glycol), hydrate of 2-methylpropanal (isobutyraldehyde) These three methylpropanediols are structural isomers of butanediols. They are not chiral.
1,3-Butanediol is an organic compound with the formula CH 3 CH(OH)CH 2 CH 2 OH, not to be confused with 1,4 Butanediol. With two alcohol functional groups, the molecule is classified as a diol . The compound without the R (or D) designation is racemic, which is what has been used in most studies before 2023.
Example of a 1,2-diol (Ethyleneglycol, top),a 1,3-diol (1,3-Propanediol, middle)and a 1,4-diol (1,4-Butanediol, bottom).An alkanediol, composed of alkane and diol, are a group of substances consisting of linear or branched hydrocarbon chains containing exactly two hydroxy groups at different positions.
All three isomers have the chemical formula C 6 H 6 O 2. Similar to other phenols, the hydroxyl groups on the aromatic ring of a benzenediol are weakly acidic . Each benzenediol can lose an H + from one of the hydroxyls to form a type of phenolate ion.