Abstract

The gibberellins represent an important class of diterpenoid phytohormones of ubiquitous occurrence in higher plants. On the other hand, they are secondary metabolites in fungi, especially in Gibberella fujikuroi. Starting with an introduction into the hitherto identified members it is the aim of the article to give a comprehensive overview of the synthesis of gibberellins. Particularly the pathways to rare native compounds starting from biotechnologically available gibberellic acid (gibberellin A3), the different methods for the preparation of labelled gibberellins as well as recent developments in the synthesis of structural analogs for structure-activity relationships, molecular probes, and as potential plant growth regulators are reviewed. The total synthesis of gibberellins is not included. An up to date survey of the research in the mentioned field covering the literature through 1988 is provided.

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