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- The diastereoisomeric esters of chrysanthemic acid with 1-trans chrysanthemol were separated on a column of 10% DC-QF-1 coated on Chromosorb W. 研究表明此菊酸酯在2米,10%25DC-QF-1不锈钢色谱柱上可以得到完全分离。
- Menthanol ester of chiral chrysanthemic acid was obtained via stereoselective esterification of the racemic acid, and the result was analyzed by MOPAC. 孟醇与过量外消旋菊酰氯反应表现出非对映异构体选择性,得到了光学活性菊酸的L-孟醇酯。
- Novel Synthesis of Optically Active Chrysanthemic Acid Ester 合成光学活性菊酸酯的方法
- Keywords Chrysanthemic acid;resolvation;o? tical isomer;stereoselective synthesis; 菊酸;光学异构体;拆分;不对称诱导;立体选择性合成;
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗?那是个严峻的考验。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- But "trans fat is not the same thing at all. 但“转化油却完全不同。
- She dropped acid in high school. 她高中时代服迷幻药。
- DISCONNECT THE TRANS RANGE SENSOR (TRS) CONNECTOR. 断开变速箱范围感知器(TRS)接头。
- The metal is fretted with the acid. 金属被酸腐蚀。
- HAIKOU FAR EAST ENTERPRISING TRANS CO., LTD. 海口华夏企业货运有限公司。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- HAITI TRANSAIR HAITI TRANS AIR S.A. 环海地航空公司。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- NINGBO HAITIAN INTERNATIONAL TRANS CO., LTD. 宁波海田国际货运有限公司。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。