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1. Pirkle, W. H.; Welch, C. J.; Burke, J. A;
Lamm, B., Target-directed
Design of Chiral Stationary Phases, Analytical Proceedings, 1992,
29,
225.
2. Pirkle, W. H.; Welch, C. J.; Hyun, M. H., Concerning the role
of
face-to-edge p-p interactions in chiral recognition, J.
Chromatogr., 1992,
607, 126.
3. Pirkle, W. H.; Welch, C. J.; Lamm, B., Design, Synthesis, and
Evaluation of an Improved Enantioselective Naproxen Selector, J.
Org.
Chem., 1992, 57, 3854.
4. Pirkle, W. H.; Welch, C. J., An Improved Chiral Stationary
Phase for
the Chromatographic Separation of Underivatized Naproxen
Enantiomers, J. Liq. Chromatogr., 1992, 15(11), 1947.
5. Pirkle, W. H.; Welch, C. J.; Wilson, S. R., Assignment of
Absolute
Configuration to an Improved Enantioselective Naproxen Selector,
Chirality, 1994, 6, 615.
6. Welch, C. J., Analytical & Semipreparative Separation of
Enantiomers
Using the Whelk-O 1 Chiral Stationary Phase: Naproxen &
Abscisic Acid
as Case Studies, Chemistry in New Zealand, 1993, July, 9.
7. Pirkle, W. H.; Welch, C. J., Use of Simultaneous Face to Face
to Edge
¼-¼ Interactions to Facilitate Chiral Recognition, Tetrahedron:
Asymmetry, 1994, 5, 777.
8. Wilson, S. R.; Wu, Y.; Kaprinidis, N. A.; Schuster, D. I.;
Welch, C. J.,
Resolution of Enantiomers of C60-Enone Photoadducts: Mirror Image
Fullerenes, J. Org. Chem., 1993, 58, 6548.
9. Welch, C. J., An Improved Method for the Direct
Chromatographic
Resolution of Abscisic Acid Enantiomers, Chirality, 1993, 5, 569.
10. Pirkle, W. H.; Welch, C. J.; Zych, A. J., Chromatographic
Investigation of the Slowly Interconverting Atropisomers of
Hindered
Naphthamides, J. Chromatogr., 1993, 648, 101.
11. Zhen, L.; Conser, K. R.; Jacobsen, E. N., Asymmetric Alkene
Aziridination with Readily Available Chiral Diimine-Based
Catalysts, J.
Amer. Chem. Soc., 1993, 115, 5326.
12. Blum, A. M.; Lynam, K. G.; Nicolas, E. C., Use of a New
Pirkle-type
Chiral Stationary Phase in Analytical and Preparative Subcritical
Fluid
Chromatography of Pharmaceutical Compounds, Chirality, 1994, 6,
302.
13. Zhang, Y.; Schuster, G. B. A Search for Photoresolvable
Mesogens:
Synthesis and Properties of a Series of Liquid Crystalline,
Axially Chiral
1-Benzylidene-4-[4'-[(p-alkylphenyl)ethnyl]phenyl]cyclohexanes,
J. Org.
Chem., 1994, 59, 1855.
14. Pirkle, W. H.; Welch, C. J., Chromtographic and 1H NMR
support for
a proposed chiral recognition model, J. Chromatogr., 1994, 683,
347.
15. Wan, K. T.: Davis, M. E., Asymmetric Synthesis of Naproxen by
Supported Aqueous-Phase Catalysis, Journal of Catalysis, 1994,
148, 1.
16. Cardellina, J.H.; Bokesch, H.R.; McKee, J.C.; Boyd, M.R.,
Resolution
and comparative anti-HIV evaluation of the enantiomers of
calanolides
A and B, Bioorg & Med. Chem. Lett., 1995, 1011.
17. Pickard, S.T.; Pirkle, W.H.; Tabatabai, M.; Vogt, W.;
Boehmer, V.,
Dissymmetric calix[4]arenes: Optical resolution of some
conformationally fixed derivatives, Chirality, 1993, 5, 310.
18. Villani, C.; Pirkle, W.H., Direct high-performance liquid
chromatographic resolution of planar chiral tricarbonyl
(h6-arene)-chromium(0) complexes, J. Chromatogr., 1995, 693, 63.
19. Villani, C.; Pirkle, W.H., Chromatographic Resolution of the
interconverting stereoisomers of hindered sulfinyl and sulfonyl
naphthalene derivatives, Tetrahedron: Asymmetry, 1995, 6, 27-30.
20. Casarini, D.; Lunazzi, L.; Alcaro, S.; Gasparrini, F.;
Villani, C.,
Atropisomerism in hindered naphthyl sulfones investigated by
dynamic
NMR and dynamic HPLC techniques, J. Org. Chem., 1995, 60, 5515.
21. Hamper, B.C.; Dukesherer, D.R.; Moedritzer, K., Analytical
and
preparative separation of the enantiomers of pyrazole phenyle
ether
herbicides on three chiral stationary phases., J. Chrom., 1994,
666,
479-484.
22. Suarez, M.; Schuster, G.B., Photoresolution of an axially
chiral
bicyclo[3.3.0]octan-3-one: Phototriggers for a
liquid-crystal-based
optical switch, J. Amer. Chem. Soc., 1995, 117, 6732.
23. Lalonde, J.J.; Govardhan, C.; Khalaf, N.; Martinez, A.G.;
Visuri, K.;
Margolin, A.L., Cross-linked crystals of Candida rugosa lipase:
Highly
effiecient catalyst for the resolution of chiral esters, J. Amer.
Chem.
Soc., 1995, 117, 6845.
24. Welch, C.J.; Perrin, S.R., The Whelk-O 1 Chiral Stationary
Phase:
Some Recent Developments, Poster presented at the 4th
International
Symposium on Chiral Discrimination, Sept.22, 1993, Montréal.
25. Relationship Between Resolution and Analysis Time in Chiral
Subcritical Fluid Chromatography, Roger W. Stringham, Chirality,
1996,
8, 249-257.
26. Welch, C.J.; Perrin. S.R.; Improved chiral stationary phase
for
ß-blocker enantioseparations, J. Chromatogr., 1995, 690, 218.
27. Pirkle, W.H.; Burke, J.A., Preparation of a chiral stationary
phase
from an a-amino phosphonate, Chirality, 1989, 1, 57.
28. Pirkle, W.H.; Burke, J.A., J. Chromatogr., Chiral stationary
phase
designed for ß-blockers, 1991, 557, 173,.
29. Perrin, S.R., "Fast Liquid Chromatography for the
Analysis of
Enantiomers" In Pharmaceutical and Biomedical Applications
of Liquid
Chromatography; Riley, M., Lough, W.J., Wainer, Eds.; Pergamon
Division of Elsevier Science Ltd.: Oxford, 1994; Vol. 1, Chapter
3.
30. W.H. Pirkle, K.Z. Gan, L.J. Brice, The Enhancement of
Enantioselectivity by Halogen Substitutes, Tetrahedron:
Asymmetry, 7,
2813-2816, 1996.
31. W.H. Pirkle, J.L. Brice., S. Caccamese. G. Principato, S.
Failla, J.
Chromatogr., 1996, 721, 241-246.
32. W.H. Pirkle, M.E. Koscho, Z. Wu, High-Performance Liquid
Chromatographic Separation of the Enantiomers of
N-Aryloxazolinones,
N-aryl Thiazolinones and their Sulfur Derivatives on a Synthetic
Chiral
Stationary Phase, J. Chromatogr., 1996, 726, 91-97.
33. S. Caccamese, in press, Tetrahedron: Asymetry, 7, 2577-2584,
1996
34. J.K.Kennedy, Comparison of chiral separations on
polysaccharide
chiral stationary phases to an improved Pirkle Phase, J.
Chromatogr.,
1996, 725, 219-224.
35. Enantiomeric separation of [60]fullerene derivatives with an
inherent chiral addition pattern, Gross, B.; Schurig, V.;
Lamparth, I.;
Herzog, A.; Djojo, F.; Hirsch, A., Chem. Commun., 1997,
1117-1118.
36. Retention Tuning in the Enantioseparation of Naproxen Esters
and
Free Acid, C.J. Welch, T. Szczerba and S.R. Perrin, HRC, 20,
179-180,
1997
37. Chiral non-racemic C60 Derivatives: A Proposed Sector Rule
for
Fullerene Absolute Configuration, Wilson, S.R.; Lu, Q;Wu, Y Welch
,
C.J.;Schuster, D.I. Tetrahedron, 52, 5131-42, 1996
38. Chemoselective Synthesis and Resolution of Chiral
(1,9)Methanofullerene(70) Derivatives, Wang, Y; Schuster, D.I.;
Wilson,
S.R.; Welch, C.J., J. Org Chem. 61, 5198-5199, 1996.
39. Some Recent HPLC Separations of Enantiomers of Pharmaceutical
and other Compounds Using the Whelk-O 1 CSP, C.J. Welch, T.
Szczerba
and S.R. Perrin, J Chromatography, 758, 93-98, 1996
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