(S)-()-2-Pentanol

2025年1月3日
产品资讯

(S)-()-2-Pentanol

(S)-(+)-2-Pentanol is a chiral alcohol with the molecular formula C₅H₁₂O. It is one of the two enantiomers of 2-pentanol, the other being (R)-(−)-2-pentanol. The (S)-(+)-2-pentanol has the hydroxyl group (-OH) attached to the second carbon of the pentane chain, and the configuration around this chiral center is such that it rotates plane-polarized light in a clockwise direction, which is indicated by the (+) sign.

Here is the structure of (S)-(+)-2-pentanol:

    CH₃
     |
CH₃-CH-CH₂-CH₂-OH
     |
    H

In this structure:

  • The carbon chain has five carbon atoms.
  • The hydroxyl group (-OH) is attached to the second carbon.
  • The second carbon is a chiral center, meaning it has four different groups attached to it: a hydrogen (H), a hydroxyl group (OH), a methyl group (CH₃), and an ethyl group (CH₂CH₃).

The (S) designation indicates that the configuration of the chiral center follows the Cahn-Ingold-Prelog priority rules, where the groups are prioritized based on atomic number, and the lowest priority group (hydrogen in this case) is positioned away from the viewer. The remaining three groups are then arranged in a clockwise manner, which corresponds to the (S) configuration.

(S)-(+)-2-Pentanol is used in organic synthesis and as a chiral building block in the production of various chemicals and pharmaceuticals. Its optical activity makes it useful in studies of stereochemistry and asymmetric synthesis.

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