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Naturally Occurring Diterpenoid Dimers: Source, Biosynthesis, Chemistry and Bioactivities

Li-Gen Lin1, Carolina Oi Lam Ung1, Zhe-Ling Feng1

  • 1State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, PR China.

Planta Medica
|August 20, 2016
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Structure of Conjugated Dienes

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Conjugated dienes are compounds characterized by the presence of alternating double and single bonds. In a conjugated system like 1,3-butadiene, the unhybridized 2p orbital on each carbon overlaps continuously, allowing the π electrons to be delocalized across the entire molecule. In contrast, this type of overlap does not occur in cumulated and isolated dienes, such as 2,3-pentadiene and 1,4-pentadiene, respectively. Instead, the π electrons remain localized between the double...
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Characteristics of the diene
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