Abstract
Comparative studies on the biodegradability of amides and imides are presented. Low-molecular-weight imides of varying chain lengths (4, 6, 7, 8, 18, and 20 carbons) were biodegrable. N-alkyl substitution of amides and imides resulted in non-biodegrable derivatives when the amide portion was greater than two carbons in length. N-alkyl-substituted derivatives of acetamide or diacetamide, however, were biodegrable. Several soil isolates, including Aspergillus niger and species of Flavobacterium and Alcaligenes, were capable of growth with imides as sole N or C sources.
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