- Amino acid derivatives and sweetening agent
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Novel amino acid derivatives (including ones in the form of a salt) such as 2-amino-4-hydroxy-4-ethylcarbamoyl-4-(3-indolylmethyl)butyric acid are provided which can be used as a low-calorie sweetening agent that is excellent in a degree of sweetness, and as an efficient ingredient thereof. These substances can be used as an efficient ingredient of a sweetening agent, and also, can be used for imparting sweetness to products such as beverages and foods requiring sweetness. Therefore, such excellent sweetening agents, and foods or beverages to which sweetness is imparted can be also provided.
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Page/Page column 8-9
(2010/02/11)
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- Synthesis of tryptophans
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The preparation of racemic and optically pure tryptophans is described. The D-enantiomers of the 6-substituted compounds possess a potent sweetening capability. Novel intermediates are also disclosed.
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