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alkyl group substituents

Chinese translation: 烷基取代基

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:alkyl group substituents
Chinese translation:烷基取代基
Entered by: Jing Nie
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06:49 Aug 1, 2004
English to Chinese translations [PRO]
Medical - Chemistry; Chem Sci/Eng
English term or phrase: alkyl group substituents
“Optionally substituted acylamino” means an acylamino group which may be substituted on the alkyl portion by one or more alkyl group substituents.

看上下文可以用氟来取代alkyl group 的氢。
alkyl group substituents的意思是不是可取代烷基的取代基,我想不出简单的描述方法。
Jing Nie
China
Local time: 12:22
烷基取代基
Explanation:
“被任意取代的酰胺基”指的是其烷基部分可被一个或一个以上的烷基取代基所取代的酰胺基。
酰胺基 = R-CO-NH2



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Note added at 15 hrs 50 mins (2004-08-01 22:39:20 GMT)
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所谓“其烷基部分可被一个或一个以上的烷基取代基所取代”,并非是指该烷基部分(R-)整个都被“烷基取代基”所取代,而是指该烷基上的氢原子被一个或一个以上的取代基取代,就像你的上下文中可以用氟来取代alkyl group 的氢一样。换言之,alkyl group substituents的意思就是可取代烷基上氢原子的取代基。再如,氯代甲烷就是甲烷上的一个氢原子被取代基氯所取代。

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ysun
United States
Local time: 23:22
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Summary of answers provided
5 +1烷基取代基ysun


  

Answers


44 mins   confidence: Answerer confidence 5/5 peer agreement (net): +1
烷基取代基


Explanation:
“被任意取代的酰胺基”指的是其烷基部分可被一个或一个以上的烷基取代基所取代的酰胺基。
酰胺基 = R-CO-NH2



--------------------------------------------------
Note added at 15 hrs 50 mins (2004-08-01 22:39:20 GMT)
--------------------------------------------------

所谓“其烷基部分可被一个或一个以上的烷基取代基所取代”,并非是指该烷基部分(R-)整个都被“烷基取代基”所取代,而是指该烷基上的氢原子被一个或一个以上的取代基取代,就像你的上下文中可以用氟来取代alkyl group 的氢一样。换言之,alkyl group substituents的意思就是可取代烷基上氢原子的取代基。再如,氯代甲烷就是甲烷上的一个氢原子被取代基氯所取代。



ysun
United States
Local time: 23:22
Native speaker of: Chinese
PRO pts in category: 606
Grading comment
Thank you all!

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