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Lactones

7-(2,4-dichlorophenyl)-3-hydroxy-5-heptanolide

(90761-31-2)

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dotriacolide

(80994-06-5)

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(-)-Salinosporamide A

(437742-34-2)

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Lactone refers to an organic substance that contains both a carboxyl group and a hydroxyl group in the same molecule, and the two are dehydrated. Organic compounds with one and only one ester group in the ring. Common ones are x=2, 3 or 4, which are called β-, γ- or δ-lactones, respectively. They are generally insoluble in water, easily soluble in organic solvents such as ethanol and ether, and their density is generally lower than that of water.
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