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How Stereochemistry Considerations Can Improve Pesticide Safety

机译:立体化学注意事项如何提高农药安全性

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@@ About 30% of pesticides are chiral molecules and therefore exist as two or more stereoisomers, which can differ significantly in their toxicity, biodegradation, and persistence. Such differences can impact their relative safety to humans and environmental species. Enantiomers, mirror image optical isomers, are the best known examples of stereoisomers that can show these differences. However, the great majority of chiral pesticides are manufactured and applied as their racemates; i.e., equal mixtures of each enantiomer.
机译:@大约30%的农药是手性分子,因此以两种或多种立体异构体的形式存在,它们的毒性,生物降解性和持久性可能存在显着差异。这种差异可能会影响它们对人类和环境物种的相对安全性。对映异构体,镜像光学异构体,是可以显示这些差异的最著名的立体异构体实例。但是,绝大多数手性农药是作为外消旋体生产和应用的。即每种对映异构体的均等混合物。

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