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   » » Wiki: Butanediol
Tag Wiki 'Butanediol'.
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Butanediol, also called butylene glycol, may refer to any one of four stable structural isomers:

  • 1,2-Butanediol
  • 1,3-Butanediol
  • 1,4-Butanediol
  • 2,3-Butanediol


Geminal diols
There are also two (gem-diols), which are less stable:


Isobutylene glycol and methylpropanediol
Isobutylene glycol may be considered a kind of butylene glycol, similarly to butane historically including and (isobutane). The modern name for the closely related type of compounds is methylpropanediol. There are two stable structural isomers:
  • 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 (isobutyraldehyde)
These three methylpropanediols are structural isomers of butanediols. They are not chiral.


Examples
2-Methylpropane-1,3-diol derivatives:
  • , an experimental medication
  • 2-Methyl-2-propyl-1,3-propanediol, medication precursor and active metabolite


See also

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