Description:Content: Introduction : biofunctional molecules and organic synthesis -- Synthesis of phytohormones, phytoalexins, and other biofunctional molecules of plant origin -- Synthesis of insect bioregulators other than pheromones -- Synthesis of pheromones -- Synthesis of biofunctional molecules of microbial origin -- Synthesis of marine bioregulators, medicinals and related compounds -- Synthetic examination of incorrectly proposed structures of biomolecules -- Conclusion : science as a human endeavor