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Isosteric derivatives and analogues of the 7-keto-8-aminopelargonic acid (KAPA), 7,8-diaminopelargonic acid (DAPA) and desthiobiotin (DTB) vitamer intermediates involved in the biosynthetic pathway of biotin were prepared and evaluated as potential herbicides. The most active compound was desmethyl-KAPA which displayed a GR 50 (concentration of the active compound that causes a 50% growth...
An efficient synthetic pathway for the preparation of the vitamers of biotin which provides easy access to optically pure KAPA as well as diastereomeric mixtures of DAPA, DTB, and analogs thereof has been developed.
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