化合物英文命名规则.ppt
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1、Supplementary Information of Specialty English(专业英语补充信息),Nomenclature of compounds(化合物构词法) Zhang Baohua College of Environmental & Chemical Engineering ,I. Nomenclature of inorganic compounds(无机化合物构词法),1. Trivial name (俗名) H2O water CaO quicklime (生石灰) NH3 ammonia (复)ammonium(单) K2CO3 potash(草木灰) Ca
2、CO3 limestone (石灰石) Hg2Cl2 Calomel (甘汞),I. Nomenclature of inorganic compounds,2. If there are only two elements in the compounds(化合物), it is customary(习惯上) to name the more metallic(金属性) element first and the less metallic, or more electronegative(电负性) element second, with the suffix(后缀) “ide”. 若化合
3、物中仅有两种元素,习惯上先命名金属性强的元素,后命名金属性弱的元素,再加上ide作为后缀 K potassium Na sodium Ca calcium Ba barium S sulfur H hydrogen Cl chlorine Br bromine O oxygen I iodine,KCl potassium chloride NaBr sodium bromide BaS barium sulfide CaO calcium oxide HI hydrogen iodide,I. Nomenclature of inorganic compounds,3. For compou
4、nds containing still only two elements but more than two atoms(原子), the prefixes (前缀)“mono-”, “di-”, “tri-”, etc. become necessary. 对于仅含两种元素、但多于两个原子的化合物,加“mono-”, “di-”, “tri-”等前缀很有必要 (1)mono-, (2)di-, (3)tri-, (4)tetra-, (5)penta-, (6)hex-, (7)hept-, (8)octa- Cl2O di-chlorine monoxide ClO chlorine
5、monoxide ClO2 chlorine dioxide ClO3 chlorine trioxide Cl2O7 di-chlorine heptoxide ClO4 chlorine tetroxide,I. Nomenclature of inorganic compounds,And “-ous”, “-ic” were also used to denote(表示) the lower and higher metallic state. 用“-ous”表示低价化合物,用“-ic” 表示高价化合物,I. Nomenclature of inorganic compounds,Cu
6、I cuprous iodide CuI2 cupric iodide FeBr2 ferrous bromide FeBr3 ferric bromide SnCl2 stannous chloride SnCl4 stannic chloride HNO3 nitric acid HNO2 nitrous acid,Nomenclature of inorganic compoundsThe element symbols not from English,I. Nomenclature of inorganic compounds,4. A class of compounds in w
7、hich such prefixes are seldom used is that in which the metal atom usually exhibits(展现) only one oxidation state. 当化合物中的金属元素仅有一种价态,通常很少加前缀 ZnBr2 zinc bromide CaH2 calcium hydride Na2O sodium oxide Al2S3 aluminum sulfide,I. Nomenclature of inorganic compounds,5. Three elements present, such compounds
8、 are named by combining the suffix “-ate” with the name of the less electronegative of the two nonmetallic elements. And “-ite”, “-ate” are used to denote the lower and higher oxidation state of the same electronegative element. 含三种元素的化合物是通过在两种非金属元素中电负性较弱的一种之后加后缀“-ate” 来命名的。对于电负性相同的元素,用“-ite”表示低价元素,
9、用“-ate” 表示高价元素 NaNO3 sodium nitrate NaNO2 sodium nitrite,I. Nomenclature of inorganic compounds,When there are more than two oxidation states of the electronegative element, prefix used. The prefix “hypo-” meaning “below”, is used in the name of the lowest oxidation state. The prefix “per-” meaning
10、“highest”, is used when it is in the highest oxidation state. 当电负性较低的元素有超过两种价态时,就使用前缀。前缀“hypo-” 表示“低于”,用于低价态之前;前缀“per-” 表示“高于”,用于高价态之前,I. Nomenclature of inorganic compounds,I. Nomenclature of inorganic compounds,In inorganic acid, “-ous”, “-ic” are used to denote the lower and higher oxidation stat
11、e. 在无机酸中, “-ous”表示用于低价态, “-ic”表示用于高价态,I. Nomenclature of inorganic compounds,II. Nomenclature of organic compounds (有机化合物的命名),Nonfunctional Compounds (非功能性化合物),1. Alkane(烷烃) Alkene (olefin)(烯烃) Alkyne (炔烃) IUPAC names (systematic names) trivial names (popular names) IUPAC: International Union of Pur
12、e and Applied Chemistry,The names of linear alkanes, alkenes and alkynes(线型烷烃、烯烃、炔烃的命名): Suffix Methane(甲烷) Icosane(二十烷) (C1 C20 alkanes) -ane ethene (乙烯) Icosene(二十烯) (give position of C=C)-ene,trivial name: ethylene(乙烯) propylene (丙烯) butylene(丁烯) acetylene (ethyne)(乙炔) Icosyne(二十炔) -yne (give pos
13、ition of C=C) Methane(甲烷) ethane(乙烷) propane (丙烷) butane(丁烷) pentane(戊烷) hexane(己烷) heptane(庚烷) octane(辛烷) nonane(壬烷) decane(癸烷) undecane(十一烷) dodecane(十二烷) tridecane(十三烷) Tetradecane(十四烷) pentadecane (十五烷) hexadecane(十六烷) heptadecane(十七烷) octadecane(十八烷) nonadecane(十九烷 )icosane(二十烷) (C1-C20 alkanes
14、),Common substituents(常见取代基): alkyl(烷基), alkenyl(烯基), alkynyl(炔基) groups: Alkyl omit(省略) the suffix “ane” and add “yl” to the end of the name 烷基省略后缀“ane” ,将“yl” 加在名称之后 methyl(甲基) nonadecyl(十九基 ) icosyl(二十基) Alkenyl omit the last letter “e” and add “yl” to the end of the name 烯基省略最后一个字母“e” ,将“yl” 加在名
15、称之后 1-propenyl (丙烯基), 2-penten(五亚乙基六胺)-2-yl trivial names: vinyl(乙烯基), allyl (烯丙基),Alkynyl omit the last letter “e” and add “yl” to the end of the name 炔基省略最后一个字母“e” 并在名称后加“yl” 1-propynyl(丙炔基), 1-pentynyl(戊炔) benzyl(苄基) phenyl(苯基) If the same alkyl group appears more than once in a molecule(分子), it
16、is indicated(表明) by the prefixes: (如果同样的烷基在分子中出现超过一次,要通过前缀表明) For identical(完全相同的) simple groups: di-, tri-, tetra- (对于相同的简单基团: di-, tri-, tetra- ) For identical complicated(复杂的) group: bis-, tris-, tetrakis-, pentakis-, bi-: biphenyl(联苯), binuclear-(双核的) (对于完全相同的复杂集团:bis-, tris-, tetrakis-, pentaki
17、s-, ),Branched-alkyl(支链烃) group: Impotant prefix: iso-(异), neo-(新), sec-(仲), tert-(叔) sec-, tert- used only for the butyl group sec-, tert-仅用于烃基 sec-butyl(仲丁基), tert-butyl (叔丁基) iso-, neo- used for both compounds and substituents(取代基). iso-, neo-可用于化合物和取代基 isobutyl(异丁基), isobutane(异丁烷), isohexyl(异己基
18、), neopentyl(新戊基), neopentane(新戊烷) The names of the substituents are given in alphabetical(依字母顺序的) order in the systematic names(系统名称) of organic compounds. Except the prefixes iso- and neo-, the other prefixes, such as di-, tri-, sec-, tert- are not involved in alphabetical listing. 在有机化合物的系统命名中,取代
19、基的名称是按照字母顺序给出的,除了前缀iso- and neo-, 其他前缀,比如di-, tri-, sec-, tert- ,不包含在依字母顺序的列表中,Exercises:,2-methylpentane 2-甲基戊烷,2,2-dimethyl-5-ethyloctane 2,2-二甲基-6-乙基壬烷,3-methyl-6-ethyloctane 3-甲基-6-乙基辛烷,4-sec-butyl-3-methylnonane 3-甲基-4-仲丁基壬烷,4-propyl-5-isopropyldecane 4-丙基-5-异丙基癸烷,3-propyl-1,3,5-hexatriene 3-丙基
20、-1,3,5-己三烯,2-methyl-4,4-bis(tert-butyl)-octane 2-甲基-4,4-二异丁基辛烷,5-sec-butylnonane 5-(2-butyl)nonane 5-2-butylnonane 5-异丁基壬烷,(2Z,4E)-3-ethyl-2,4-hexadiene 顺,反- 3-甲基-2,4-己二烯,4-vinyl-1-hepten-5-yne,3-acetylenyl-1,5-hexadiene 3-乙炔基-1,5-己二烯,3-vinyl-4-propyl- 1,3-hexadiene-5-yne 3-乙烯基-4-丙基-1,3-己二烯-5-炔,苄基 b
21、enzyc 苯基 phenyl para-p-对位 meta-m-间位 o-邻位 Fe(NO3)3 ferric nitrate Fe(NO2)2 ferrous nitrite NaOH sodium hydroxide KCl potassium chloride H2SO4 sulfuric acid H2SO3 sulfurous acid BaI2 barium iodide KClO potassium hypochlorite KClO2 potassium chlorite KClO3 potassium chlorate KClO4 potassium perchlorate
22、 CO2 carbon dioxide 实际中的变通:ethene-ethylene ethyne-acetylene,2. Monocyclic(单环的) compounds(单环化合物),cyclo + alkane(烷烃) cyclo + alkyl(烷基) cyclo + alkene(烯烃) cyclo + alkenyl (烯基),Cyclohexane(环己烷),Cyclohexene(环己烯),Cyclopentylcyclohexane 环戊基环己烷,1,3 cyclohexdiene 1,3-环己二烯,trans-1-ethyl- 4-methylcyclohexane 反
23、-1-乙基-4-甲基环己烷,3-ethyl-1,4,5-trimethylcyclohexene 3-乙基-1,4,5-三甲基环己烯,2-methyl-5-cyclopentyl- heptane 2-乙基-5-环戊基庚烷,Aromatic compounds(芳香族化合物),xylene(二甲苯) o, m, p-,benzene(苯),toluene(甲苯),mesitylene(1,3,5-三甲基苯),styrene(苯乙烯),Monosubstituted(单基取代的) benzenes:,nitrobenzene(硝基苯),ethylbenzene(乙苯),chlorobenzene
24、(氯苯),aniline(苯胺),cyanobenzene(苯甲腈),phenol(苯酚),Multisubstituented aromatic compounds(多取代的芳香化合物),m-sec-butyl chlorobenzene 间仲丁基氯苯,p-acetylbenzoic acid 对乙酰苯甲酸,o-hydroxybenzoic acid 邻羟基苯甲酸,p-ethyltolene 对乙基甲苯,p-bromomethoxy benzene 对溴甲氧基苯,3-ethyl-4-phenyl cyclohexene 3-乙基-4-苯基 环己烯,m-methylaniline 间甲基苯胺,
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