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化學專業英語--有機化合物的命名有機化合物的命名 Number Prefix (數字前綴) i).總碳數≤10;total C no. ≤10 前綴詞 1.甲: meth-; 2. 乙 : eth-; 3.丙: prop-; 4.丁: buta-; 5.戊: penta-; 6.己: hexa-; 7.庚: hepta-; 8.辛: octa-; 9.壬: nona-; 10.癸: deca-. 11.半,1/2: hemi-, semi-; 12.單,一: mono-, uni-; 13.3/2: sesqui-; 14.雙,兩: di-, bi-, bis-. Number Prefix (數字前綴) ii).總碳數>10時,totalC no.>10 普遍規律: ●一: hen(i)-; 2.二: do-; 3.三: tri(a)-;4.四: tetra-;五以后同上. 常用字頭: 11:undeca, hendeca-; 12:dodeca-; 13:trideca-; 14: tetradeca-; 15:pentadeca-;16: hexadeca-;17: heptadeca-; 18: octadeca-; 19: nonadeca-; 20: eicosa-; 21:heneicosa-; 22: docosa-; 23: tricosa-; 24: tetracosa-; 25: pentacosa-; 26:hexacosa-; 27: heptacosa-; 28:octacosa-; 29: nonacosa-; 30: triaconta-;31:hentriaconta-; 40:tetraconta-; 50: pentaconta-; 60:hexaconta-;70:heptaconta-; 80: octaconta-; 90: enneaconta-. 上一篇甾體化合物相關知識下一篇菌種供應總目錄索引2017 |