有机化学专业英语幻灯片.ppt

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有机化学专业英语幻灯片

本周四晚课改为自由实践课,经图书馆查阅电子期刊(电子阅览室)或各阅览室的纸质期刊,将对期刊(化学类)的了解方式、了解并对其中某一期刊的内容进行描述以邮件形式发到如下邮箱,截止日期2010.9.20: 标题:班级+学号+姓名 1班:hy0408401@163.com 2班:hy0408402@163.com 4班:hy0408404@163.com 第四周始星期四晚9,10节课调至新图书馆一楼就业指导中心的多媒体教室 有机化合物命名 Origin of organic compounds Naturally occurring organic compounds are found in plants, animals, and fossil fuels All of these have a plant origin All of these rely on the “fixing” of C from CO2 Synthetic organic compounds are derived from fossil fuels or plant material Introduction Most current research focuses on Organic Originally from “organic” meaning life Not just chemistry of life, chemistry of carbon Exceptions: oxides of carbon (CO2, CO) carbonates,bicarbonates(NaHCO3,CaCO3) cyanides (NaCN, etc) Carbon forms four bonds Carbon can form four bonds, and forms strong covalent bonds with other elements This can be represented in many ways … Organic Chemistry: Functional Groups Functional groups Functional groups are parts of molecules that result in characteristic features About 100 functional groups exist, we will focus on about 10 Useful to group the infinite number of possible organic compounds E.g. the simplest group is hydrocarbons Made up of only C and H Not really a functional “group” Further divided into: Alkanes, Alkenes, Alkynes, Aromatics 一些作词头的常见官能团 主要官能团作词头和词尾时的应用名称 11~19Alkane = Number prefix-decane For example: 11-alkane Undecane 12-alkane Dodecane 13-alkane Tridecane 14-alkane Tetradecane 15-alkane Pentadecane 16-alkane Hexadecane 17-alkane Heptadecane 18-alkane Octadecane 19-alkane Nonadecane 20-alkane Eicosane 21~29 Alkane = Number prefix-cosane For example: 21-alkane

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