Cover; The Alkaloids: Chemistry and Physiology, Volume XIX; Copyright Page; Contents; List of Contributors; Preface; Contents of Previous volume; Chapter 1. Sceletium Alkaloids; I. Historical Background; II. The Ring Systems of Sceletium Alkaloids; III. Isolation and General Methods of Structure Determination; IV. Structural Classes; V. Synthesis of Sceletium Alkaloids; VI. Miscellaneous Chemical Transformations of Mesembrine Alkaloids; VII. Biosynthetic Studies; References; Chapter 2. Solanum Steroid Alkaloids; I. Introduction; II. Occurrence of Glycoalkaloids and Alkamines

III. GlycoalkaloidsIV. The Alkamines; V. Biochemistry; VI. Tables of Physical Constants; References; Chapter 3. Phenanthroindolizidine and Phenanthroquinolizidine Alkaloids; I. Introduction; II. Structures and Configurations; III. Occurrence; IV. Degradative Experiments and Structural Determination; V. Electronic Spectra; VI. Infrared Spectra; VII. Mass Spectra; VIII. Nuclear Magnetic Resonance Spectra; IX. Stereochemistry; X. Synthesis; XI. Biosynthesis; XII. Biological Activity; References; Index