Letter | Published:

α-Aminoisobutyric Acid, β-Hydroxyleucine, and γ-Methylproline from the Hydrolysis of a Natural Product


WE have been examining the structure of an antibiotic supplied to us by the Pharmaceuticals Division of I.C.I., Ltd.; but the work has now had to be suspended for lack of material. As there will be a considerable delay before it can be resumed, some of the results, which may have a wider interest, are recorded here.

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