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Two new tropane alkaloids from the bark of Erythroxylum vacciniifolium Mart. (Erythroxylaceae)

Emerson F Queiroz1, Boris Zanolari, Andrew Marston

  • 1Department of Research and Development, Aché Laboratórios Farmacêuticos S.A. Rodovia Presidente Dutra, km 222,2. Guarulhos-SP, cep 07034-904, Brazil. emerson.queiroz@ache.com.br

Natural Product Communications
|November 17, 2009
PubMed

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Physical Properties of Amines01:26

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.