Terpenoids: Structure, Biogenesis, and Distribution - 1st Edition - ISBN: 9780126124064, 9781483220024

Terpenoids: Structure, Biogenesis, and Distribution

1st Edition

Recent Advances in Phytochemistry

Editors: V. C. Runeckles T. J. Mabry
eBook ISBN: 9781483220024
Imprint: Academic Press
Published Date: 1st January 1973
Page Count: 254
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Description

Recent Advances in Phytochemistry, Volume 6: Terpenoids: Structure, Biogenesis, and Distribution covers the advances in the chemistry and biochemistry of terpenoids, and the use of information regarding the occurrence of such compounds in genetics and population ecology. The book discusses the applications of physical methods to some structural and stereochemical problems in terpenes and steroids; novel sesquiterpenes isolated in composites; and the chemistry and biogenesis of the quassinoids (Simaroubolides). The text then describes the recent developments in the biosynthesis of plant triterpenes; the mechanisms of indole alkaloid biosynthesis, recognition of intermediacy and sequence by short-term incubation; and the biochemistry and physiology of lower terpenoids. The genetic and biosynthetic relationships of monoterpenes; and the confirmation of a clinal pattern of chemical differentiation in Juniperus virginiana from terpenoid data obtained in successive years are also encompassed. Botanists, biochemists, and people involved in the study of phytochemistry will find the book invaluable.

Table of Contents


List of Contributors

Preface

Applications of Physical Methods to Some Structural and Stereochemical Problems in Terpenes and Steroids

Introduction

Reexamination of Products of Benzoyl Chloride Reaction with d-Pulegone

Applications of Physical Methods to Steroid Problems

Bibliography

References

Novel Sesquiterpenes Isolated in Compositae

Introduction

Compounds Extracted from Compositae

References

Chemistry and Biogenesis of the Quassinoids ( Simaroubolides)

Introduction

Isolation and Structure of Various Simaroubaceae Bitter Constituents

Chemical and Physical Properties of the Quassinoids

Correlations of Some Quassinoids

Biosynthesis

References

The Biogenesis of Sesquiterpene Lactones of the Compositae

Introduction

The C-ll, C-12, and C-13 Atoms of the Lactone Ring

The Introduction of Oxygen at C-6 and C-8

Oxidative Formation of a Primary Lactonic Precursor

Elaboration to Higher Oxidation States

Rearrangements to Pseudoguaianolide Structures

Stereochemical Conditions for C-4 Methyl → C-5 Methyl Rearrangement

Summary

References

Recent Developments in the Biosynthesis of Plant Triterpenes

Introduction

The First Cyclic Precursor of Plant Sterols

Routes from Cycloartenol to Phytosterols

Removal of Methyl Groups at C-4 and C-14 in Phytosterol Biosynthesis

Mechanisms of Alkylation at C-24

Pentacyclic Triterpene Hydrocarbons

Onocerin Biosynthesis

Conclusions

References

Mechanisms of Indole Alkaloid Biosynthesis. Recognition of Intermediacy and Sequence by Short-Term Incubation

Introduction

Uptake of DL-Tryptophan-2-14C

From Vincoside to the Corynanthé Alkaloids

The Corynanthé-Strychnos Relationship

Aspidosperma and Iboga Alkaloids

Rearrangement of the Mevalonate-Derived Segment

References

Biochemistry and Physiology of Lower Terpenoids

Introduction

Hemiterpenes

Mono- and Sesquiterpenes

Morphology of Secretory Structures

Conclusions

Note Added in Proof

References

Genetic and Biosynthetic Relationships of Monoterpenes

Introduction

The Monoterpenes of F1 Generations

The Monoterpenes of F2 Generations

Genetic Analysis of Monoterpenes

Discussion

References

Confirmation of a Clinal Pattern of Chemical Differentiation in Juniperus virginiana from Terpenoid Data Obtained in Successive Years

Introduction

Population Data

Chemical Analysis

Characterization

Clustering Technique

Statistical Significance of Clustering Results

Results and Interpretations

Summary

References

Author Index

Subject Index


Details

No. of pages:
254
Language:
English
Copyright:
© Academic Press 1973
Published:
Imprint:
Academic Press
eBook ISBN:
9781483220024

About the Editor

V. C. Runeckles

T. J. Mabry