Separation of the enantiomers of commercial agricultural compounds using the Whelk-O CSP

Enantiomer

Volumn 3, Issue 1, 1998, Pages 37-43

  Welch, Christopher J ^a   Szczerba, Ted ^a  

^a REGIS TECHNOLOGIES INC   (United States)

Author keywords

Agrochemicals; Chromatography; Enantiomers

Indexed keywords

AGRICULTURAL CHEMICAL; FUNGICIDE; HERBICIDE; INSECTICIDE;

ARTICLE; CHIRALITY; ENANTIOMER; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; PRIORITY JOURNAL; PURIFICATION;

EID: 0031679464     PISSN: 10242430     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (14)

1. J. Crosby, Manufacture of Optically Active Materials: An Agrochemicals Perspective, Pestic. Sci, 1996, 11, 31.
2. E.J. Ariens, J.J.S. van Rensen, W. Welling, Stereoselectivity of Pesticides: Biological and Chemical Problems, Elsevier, New York, 1988.
3. H.P. Buser, E. Francotte, Stereoselective Analysis in Crop Protection, in Chiral Separations: Applications and Technology, S. Ahuja, Ed., American Chemical Society, Washington, DC, 1997.
4. S. Allenmark, Chromatographic Enantioseparation: Methods and Applications, 2nd edition, Ellis Horwood, New York, 1991.
5. C.J. Welch, Analytical and Semi-Preparative Separation of Enantiomers Using the Whelk-O 1 Chiral Stationary Phase: Naproxen and Abscisic Acid as Case Studies, Chem. in New Zealand, July, 1993, 9.
6. W.H. Pirkle, C.J. Welch, An Improved Chiral Stationary Phase for the Chromatographic Separation of Underivatized Naproxen Enantiomers, J. Liq. Chromatogr., 1992, 15, 1947.
7. W.H. Pirkle, C.J. Welch, B. Lamm, Design, Synthesis, and Evaluation of an Improved Enantioselective Naproxen Selector, J. Org. Chem., 1992, 57, 3854.
8. W.H. Pirkle, C.J. Welch, Use of Simultaneous Face to Face and Face to Edge π-π Interactions to Facilitate Chiral Recognition, Tetrahedron Asymmetry, 1994, 5, 777-780.
9. C.J. Welch, T. Szczerba, S.R. Perrin, Some Recent HPLC Separations of the Enantiomers of Pharmaceuticals and other Compounds Using the Whelk-O 1 CSP, J. Chromatogr., 1997, 758, 93-98.
10. B.C. Hamper, D.R. Dukeshere, K. Moedritzer, Analytical and Preparative Separation of the Enantiomers of Pyrazole Phenyl Ether Herbicides on Three Chiral Stationary Phases, J. Chromatogr., 1994, 666, 479-484.
11. W.H. Pirkle, W. Lee, C.J. Welch, Chromatographic Separation of the Enantiomers of 2-Aryloxypropionic Acids, Esters, and Amides, 1997, in press.
12. C.J. Welch, An Improved Method for the Direct Chromatographic Resolution of Abscisic Acid Enantiomers, Chirality, 1993, 5, 56.
13. W.H. Pirkle, C.J. Welch, Q. Yang, Comments on a Report of the Separation of the Enantiomers of π-Donor Analytes on π-Donor Chiral Stationary Phases, 1993, J. Chromatogr., 639, 329.
14. R A. Covey, A.F. Wolcott, O. Smith, W. Hubbard, US Patent # 3,272,854, 1966.