化学与应用化学专业英语命名.ppt
《化学与应用化学专业英语命名.ppt》由会员分享,可在线阅读,更多相关《化学与应用化学专业英语命名.ppt(33页珍藏版)》请在优知文库上搜索。
1、Nomenclature of Chemical substance International Union of Pure and Applied Chemistry (IUPAC) The IUPAC name of an alkane with an unbranched chain of carbon atoms consists of two parts: a prefix that indicates the number of carbon atoms in the chain; the ending that indicates the species Nomenclature
2、 of Hydrocarbon Prefixs used in the IUPAC system to indicate one to 20 carbon atoms in a chain Nomenclature of HydrocarbonPrefix number of carbon atoms Prefix number of carbon atoms Meth 1 Undec 11 Eth 2 Dodec 12 Prop 3 Tridec 13 But 4 Tetradec 14 Pent 5 Pentadec 15 Hex 6 Hexadec 16 Hept 7 heptadec
3、17 Oct 8 Octadec 18 Non 9 Nonadec 19 Dec 10 Eicos 20 烷烃(烷烃(Alkanes):):-ane 甲烷methane, 乙烷ethane, 己烷hexane 烷烃基(烷基烷烃基(烷基alkyl) 方法:删去方法:删去-ane,加上,加上-yl; 如甲基:methyl; 乙基:ethyl; 正丁基:n-butyl ; 异丙基:iso-propyl; (n-: normol, 正;iso-:异;neo-:新) 命名原则命名原则 alphabetical order 3-ethyl-3-methyl-pentane 表示相同的基团数 3,3-dim
4、ethyl-pentane ( 2:di-, 3:tri- , 4:tetre-, 5:penta-; 6:hexa-.) 在字母序中不考虑表示数字的字. Nomenclature of Hydrocarbon 烯烃烯烃 (Alkenes):-ene 乙烯ethene;丙稀propene;戊烯pentene. 双键的位置:2-pentene;2-methyl-2-pentene. 1,3丁二烯1,3-butadiene 烯烃基(alkylene) 乙烯基:vinyl 氯乙烯vinyl chloride 炔烃炔烃(Alkynes):-yne 乙炔ethyne 丙炔propyne; 4-甲基-2-
5、己炔4-methyl-2-hexyne Nomenclature of Hydrocarbon醇(醇(Alcohols):):-ol 乙醇ethanol, 异丙醇iso-propanol, HOCH2CH2OH: 1,2-ethanediol (ethylene glycol); CH3CH(OH)CH2OH: 1,2-propanediol (propylene glycol); HOCH2CH(OH)CH2OH: 1,2,3-propanetriol (glycerol).醚(醚(Ethers)烷烃为母链,烷氧基为取代基(OR), 烷氧基的命名:数字前缀加oxy, 如甲氧基:methoxy
6、; 乙氧基ethoxy; C-C-C-O-C-C-C-Cpropoxybutane.氧两边的烷基为取代基,醚作母链: 丙基丁基醚propyl butyl ether特例: 乙醚 CH3CH2OCH2CH3: diethyl ether, ethyl ether, etherNomenclature of Derivative 胺(胺(Amines)以胺为母体amine; 乙胺ethylamine;丙胺propylamine以胺为取代基:amino-;乙胺aminoethane; 丙胺aminopropane (CH3)2CHCH2CH2NH21-amino-3-methylbutane (is
7、opentylamine) CH3CH2CH2CH(CH3)CH2NHCH3N-methyl-1-amino-2-methylpentane NH2(CH2)6NH2 1,6-diaminohexane (hexamethylenediamino)如有几个取代基,胺基作amino-;4-胺基苯酚4-aminophenol.苯胺:aniline;-氯-苯胺4-chloroaniline (p-chloroaniline)四甲基氢氧化铵:Tetramethylammonium hydroxide三甲基戊基碘化铵trimethylpentylammonium iodideNomenclature o
8、f Derivative 醛(醛(Aldehydes):):-al CH3CH2CHO: propanal; (CH3)2CHCH2CHO: 3-methylbutanal; CH3CH2CH(CH3)CHO: 2-methylbutanal 苯甲醛苯甲醛benzaldehyde(俗名)俗名)不饱和醛:不饱和醛:-enalH2C=CH-CHO: propenal CHO-CH=(CH3)CCH2CH2CH=C(CH3)CHO 3,7-dimethyl-2,6-octadienal. 酮(酮(Ketones)酮作母体)酮作母体: -one 丙酮2-propanone; 4-甲基-3-己酮4-me
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 化学 应用化学 专业 英语 命名