indirect procedures 中文意思是什麼
indirect procedures
解釋
間接程序- indirect : adj. 1. 間接的，第二手的；迂迴的；曲折的。2. 不直截了當的，不坦率的，不誠實的。adv. -ly ,-ness n.
- procedures : 程序
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The procedures can be divided to the direct and indirect methods depending on whether the ( s ) - 2 - aminobutanol intermediate be involved : the former is to obtain the chiral ethambutol directly ; the latter is to get the ( s ) - 2 - aminobutanol intermediate firstly and the final product is synthesized through n - alkyl reactions
直接法就是直接合成得到手性的乙胺丁醇；間接法是先合成乙胺丁醇的關鍵中間體（ s ） - 2 -氨基丁醇，再通過n -烷基化反應得到最終產品。
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