Alkaloids

Isolation, Identification, and Structure Elucidation of Alkaloids A General Overview.- 1 Introduction.- 2 Isolation.- 3 Identification and Structure Elucidation.- 4 Strategy.- 5 Future Prospects.- References.- Inverse-Detected 2D-NMR Applications in Alkaloid Chemistry.- 1 Introduction.- 2 Historical Background.- 3 Suppression of Unwanted Magnetization Arising from 1H-12C Species.- 4 Inverse-Detected One-Bond Heteronuclear Shift Correlation Experiments.- 5 Long-Range Heteronuclear Chemical Shift Correlation - HMBC.- 6 HMQC-TOCSY and Other Hyphenated Inverse-Detected 2D Experiments.- 7 Other Inverse-Detected NMR Experiments -Selective and F1 Region-Selected Experiments.- 8 Sample Requirements.- 9 Applications of Inverse-Detected NMR Techniques to Alkaloid Chemistry. Structural Problems.- 10 Conclusion.- References.- Electrochemical Detection of Alkaloids in HPLC.- 1 Introduction.- 2 Principles of HPLC with Electrochemical Detection.- 3 Methods of Detection in Plants.- 4 Possible Methods for Detecting Other Alkaloids.- 5 Conclusions and Future Directions.- References.- Gas Chromatography in the Analysis of Alkaloids.- 1 Introduction.- 2 Pyrrolizidine Alkaloids.- 3 Quinolizidine Alkaloids.- 4 Tropane Alkaloids.- 5 Quinoline Alkaloids.- 6 Morphinan Alkaloids.- 7 Terpenoid Indole Alkaloids.- 8 Ergot Indole Alkaloids.- 9 Steroidal Alkaloids.- 10 Diterpenoid Alkaloids.- 11 Other Alkaloids.- 12 Conclusion.- References.- Alkaloid Analysis in Flue-Cured Tobacco.- 1 Introduction.- 2 Factors Affecting Alkaloid Concentration.- 3 Methods of Analysis of Tobacco Alkaloids.- 4 Summary.- References.- Assessment of Burley and Dark Tobacco Alkaloids During Storage, Aging, and Fermentation.- 1 Importance of Pyridine Alkaloids to Tobacco Quality and Usability.- 2 Importance of Storage, Aging,and Fermentation.- 3 Chemical Analyses.- References.- Detection of Alkaloids in Environmental Tobacco Smoke.- 1 Introduction.- 2 Overview of Sampling and Analysis Methods.- 3 Time-Integrated