Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Review
. 2022 Feb;34(2):253-294.
doi: 10.1002/chir.23372. Epub 2021 Nov 15.

Chiral organic stereochemistry: Chiral HPLC, chiral auxiliaries, CD spectroscopy, X-ray crystallography, and light-powered chiral molecular motors

Affiliations
Review

Chiral organic stereochemistry: Chiral HPLC, chiral auxiliaries, CD spectroscopy, X-ray crystallography, and light-powered chiral molecular motors

Nobuyuki Harada. Chirality. 2022 Feb.

Abstract

In the studies of chiral organic stereochemistry, it is important to use enantiopure compounds. For this purpose, the chiral HPLC (High-Pressure Liquid Chromatography) columns containing chiral stationary phases were invented by Y. Okamoto and coworkers for enantio-separating various racemic compounds. In addition, the use of chiral auxiliaries is also useful for preparing enantiopure compounds and also for determining their absolute configurations, where covalent-bonded diastereomers are separated by HPLC on silica gel. In this review article, these HPLC methods will be discussed together with the applications to some interesting organic compounds including light-powered chiral molecular motors.

Keywords: (+)-poly(triphenylmethyl methacrylate); (R)-(−)-2-methoxy-2-(1-naphthyl)propionic acid (MαNP acid); (−)-camphor-sultam dichlorophthalic acid (CSDP acid); 1H NMR diamagnetic anisotropy method; CD exciton chirality method; cellulose tris(3,5-dimethylphenylcarbamate); π-Electron SCF-CI-DV MO method.

PubMed Disclaimer

References

REFERENCES

    1. Okamoto Y, Suzuki K, Ohta K, Hatada K, Yuki H. Optically active poly(triphenylmethyl methacrylate) with one-handed helical conformation. J Am Chem Soc. 1979;101(16):4763-4765.
    1. Yuki H, Okamoto Y, Okamoto I. Resolution of racemic compounds by optically active poly(triphenylmethyl methacrylate). J Am Chem Soc. 1980;102(20):6356-6358.
    1. Okamoto Y, Honda S, Okamoto I, et al. Novel packing material for optical resolution: (+)-poly(triphenylmethyl methacrylate) coated on macroporous silica gel. J Am Chem Soc. 1981;103(23):6971-6973.
    1. Okamoto Y, Okamoto I, Yuki H. Chromatographic resolution of enantiomers having aromatic group by optically active poly(triphenylmethyl methacrylate). Chem Lett. 1981;10(7):835-838.
    1. Harada N, Nakanishi K. Circular Dichroic Spectroscopy-Exciton Coupling in Organic Stereochemistry. Mill Valley, CA: University Science Books; 1983.

LinkOut - more resources