• Lecture 10: Alcohols, Ethers, Epoxides, Sulfides.

    第十堂:醇类,醚类,环氧化物,硫化物。

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  • Lecture 11: Alcohols, Ethers, Epoxides, Sulfides.

    第十一堂:醇类,醚类,环氧化物,硫化物。

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  • Lecture 12: Alcohols, Ethers, Epoxides, Sulfides.

    第十二堂:醇类,醚类,环氧化物,硫化物。

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  • The review is focused on the recent development of asymmertric synthesis of chiral epoxides by biocatalyzing prochiral alkenes.

    手性环氧化物在合成上具有重要的应用价值。

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  • Toxic matagenic and carcinogenic PAH diol epoxides can be derived from PAHS, which are responsible for most cases of lung cancer.

    有毒的matagenic和致癌物质PAH二醇环氧化合物均来源于多环芳香烃(PAH),它是导致大多数肺癌的罪魁祸首。

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  • It is also Pointed out that the effectiveness of epoxides as hydrolytic stabilizer is better than that of conventional carbodiimides.

    同时指出,环氧化合物的稳定效果优于碳化二亚胺。

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  • The catalysts are easy to prepare and use, they are easy to recover and reuse, and they convert olefins to epoxides in good yields with high selectivity.

    催化剂容易制备和使用,易于回收并再用,且它们能以很好的收率高选择性地 将烯烃转化成环氧化物。

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  • The industrial synthesis of certain optically active intermediates, including chiral amino acids, carboxylic acids, alcohols, amines and epoxides is reviewed.

    重点叙述了某些光学活性中间体的工业合成技术,包括手性氨基酸、手性羧酸、手性醇、手性胺和手性环氧化物。

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  • These results are significant because PAH diol epoxides react readily with DNA, induce mutations, and are considered to be ultimate carcinogens of multiple PAH in cigarette smoke.

    这些结果具有重要意义,因为多环芳烃二醇环氧化物极易与DNA反应,进而导致变异,因此被视为香烟烟雾中所含多种多环芳烃中最重要的致癌物质。

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  • Chlorohydrin production of propylene oxide with the impurities except for acetaldehyde, propionaldehyde and hydrocarbon, epoxides, halogenated alkanes, acetone, alcohols, such as.

    用氯醇法生产的环氧丙烷中所合杂质除有乙醛、丙醛外,还有烃类、环氧化物、卤代烷、丙酮、醇类等。

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  • "These results are significant because PAH diol epoxides react readily with DNA, induce mutations, and are considered to be ultimate carcinogens of multiple PAH in cigarette smoke, " the study said.

    研究认为:“这项结果相当重要,因为多环芳香环氧二醇(PAH diol epoxides)易与DNA反应,引发突变,所以被认为是吸烟产生的众多环芳香烃中最严重的致癌物质。”

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  • "These results are significant because PAH diol epoxides react readily with DNA, induce mutations, and are considered to be ultimate carcinogens of multiple PAH in cigarette smoke, " the study said.

    研究认为:“这项结果相当重要,因为多环芳香环氧二醇(PAH diol epoxides)易与DNA反应,引发突变,所以被认为是吸烟产生的众多环芳香烃中最严重的致癌物质。”

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