Optimization of long-range 1H-15N 2D NMR experiments at natural abundance - Assignment of the 15N resonances of cryptospirolepine at the submilligram level

Journal of Heterocyclic Chemistry

Volumn 36, Issue 4, 1999, Pages 1115-1117

  Hadden, Chad E ^a   Martin, Gary E ^a   Tackie, Albert N ^b   Schiff Jr , Paul L ^c  

^a PFIZER INC   (United States)

^b Centre for Scientific Research into Plant Medicine   (Ghana)

^c UNIVERSITY OF PITTSBURGH   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALKALOID; CRYPTOSPIROLEPINE; UNCLASSIFIED DRUG;

CHEMICAL ANALYSIS; CHEMICAL STRUCTURE; LETTER; NUCLEAR MAGNETIC RESONANCE;

EID: 0032867663     PISSN: 0022152X     EISSN: None     Source Type: Journal    
DOI: 10.1002/jhet.5570360449     Document Type: Letter

References (28)

1. Any survey of published mansucripts is now virtually impossible, the number of references to papers involving 2D nmr is now well in the 1000's. Selected examples of the now numerous monographs that have been published include the following as representative examples: A. Bax. Two-Dimensional NMR in Liquids, D. Reidel Publishing Co., Boston, 1982; R. R. Ernst, G. Bodenhausen, and A. Wokaun, Principles of Nuclear Magnetic Resonance in One and Two Dimensions, Clarendon, Press, Oxford, 1987; W. S. Brey, Pulse Methods in ID and 2D Liquid-Phase NMR, Academic Press, San Diego, 1988; G. E. Martin and A. S. Zektzer, Two-Dimensional NMR Methods for Establishing Molecular Connectivity - A Chemist's Guide to Experiment Selection, Performance and Interpretation, VCH, New York, 1989; K. Nakanishi, One-Dimensional and Two-Dimensinal NMR Spectra by Modern Pulse Techniques, University Science Books, Mill Valley, CA, 1990; W. R. Croasmun and R. M. K. Carlson, Two-Dimensional NMR Spectroscopy - Applications for Chemists and Biochemists, 2nd ed., VCH, New York, 1994.
2. Any survey of published mansucripts is now virtually impossible, the number of references to papers involving 2D nmr is now well in the 1000's. Selected examples of the now numerous monographs that have been published include the following as representative examples: A. Bax. Two-Dimensional NMR in Liquids, D. Reidel Publishing Co., Boston, 1982; R. R. Ernst, G. Bodenhausen, and A. Wokaun, Principles of Nuclear Magnetic Resonance in One and Two Dimensions, Clarendon, Press, Oxford, 1987; W. S. Brey, Pulse Methods in ID and 2D Liquid-Phase NMR, Academic Press, San Diego, 1988; G. E. Martin and A. S. Zektzer, Two-Dimensional NMR Methods for Establishing Molecular Connectivity - A Chemist's Guide to Experiment Selection, Performance and Interpretation, VCH, New York, 1989; K. Nakanishi, One-Dimensional and Two-Dimensinal NMR Spectra by Modern Pulse Techniques, University Science Books, Mill Valley, CA, 1990; W. R. Croasmun and R. M. K. Carlson, Two-Dimensional NMR Spectroscopy - Applications for Chemists and Biochemists, 2nd ed., VCH, New York, 1994.
3. Any survey of published mansucripts is now virtually impossible, the number of references to papers involving 2D nmr is now well in the 1000's. Selected examples of the now numerous monographs that have been published include the following as representative examples: A. Bax. Two-Dimensional NMR in Liquids, D. Reidel Publishing Co., Boston, 1982; R. R. Ernst, G. Bodenhausen, and A. Wokaun, Principles of Nuclear Magnetic Resonance in One and Two Dimensions, Clarendon, Press, Oxford, 1987; W. S. Brey, Pulse Methods in ID and 2D Liquid-Phase NMR, Academic Press, San Diego, 1988; G. E. Martin and A. S. Zektzer, Two-Dimensional NMR Methods for Establishing Molecular Connectivity - A Chemist's Guide to Experiment Selection, Performance and Interpretation, VCH, New York, 1989; K. Nakanishi, One-Dimensional and Two-Dimensinal NMR Spectra by Modern Pulse Techniques, University Science Books, Mill Valley, CA, 1990; W. R. Croasmun and R. M. K. Carlson, Two-Dimensional NMR Spectroscopy - Applications for Chemists and Biochemists, 2nd ed., VCH, New York, 1994.
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5. Any survey of published mansucripts is now virtually impossible, the number of references to papers involving 2D nmr is now well in the 1000's. Selected examples of the now numerous monographs that have been published include the following as representative examples: A. Bax. Two-Dimensional NMR in Liquids, D. Reidel Publishing Co., Boston, 1982; R. R. Ernst, G. Bodenhausen, and A. Wokaun, Principles of Nuclear Magnetic Resonance in One and Two Dimensions, Clarendon, Press, Oxford, 1987; W. S. Brey, Pulse Methods in ID and 2D Liquid-Phase NMR, Academic Press, San Diego, 1988; G. E. Martin and A. S. Zektzer, Two-Dimensional NMR Methods for Establishing Molecular Connectivity - A Chemist's Guide to Experiment Selection, Performance and Interpretation, VCH, New York, 1989; K. Nakanishi, One-Dimensional and Two-Dimensinal NMR Spectra by Modern Pulse Techniques, University Science Books, Mill Valley, CA, 1990; W. R. Croasmun and R. M. K. Carlson, Two-Dimensional NMR Spectroscopy - Applications for Chemists and Biochemists, 2nd ed., VCH, New York, 1994.
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