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The quaternary indole alkaloids from two Sumatran Lerchea species

Dayar Arbain1, Nova Syafni, Friardi

  • 1Faculty of Pharmacy, Andalas University, Kampus Limau Manis, Padang 25163, West Sumatra, Indonesia. d.arbain48@yahoo.com

Natural Product Communications
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Physical Properties of Amines

Amines with low molecular weight are usually gaseous at room temperature, while those with high molecular weight are liquid or solids in nature. Usually, low molecular weight amines have a rotten fish-like smell. Diamines typically have a pungent smell. For instance, cadaverine and putrescine, depicted in Figure 1, are two molecules responsible for decaying tissue.