更新1:
a. 2-ethyl-2-isopropylbutane b. 3-ethyl-2,3-dimethylpentane c. 2-ethyl-1,2,3-trimethylbutane d. 2-ethyl-3-methylhexane
What is the correct IUPAC name for 3-ethyl-3-isopropylbutane?
回答 (1)
2016-09-23 7:08 pm
The answer is : b. 3-ethyl-2,3-dimethylpentane
The structure of the compound is shown below :
https://c1.staticflickr.com/9/8077/29585576070_7c474d2451_o.png
The longest chain is shown with a red line, and the carbon atoms are labeled in red. It is observed that 2 -CH₃ groups (methyl groups) are attached to C₂ and C₃ (i.e. 2,3-dimethyl-), while a -CH₂CH₃ group (ethyl group) is attached to C₃ (i.e. 3-ethyl-).
The structure of the compound is shown below :
https://c1.staticflickr.com/9/8077/29585576070_7c474d2451_o.png
The longest chain is shown with a red line, and the carbon atoms are labeled in red. It is observed that 2 -CH₃ groups (methyl groups) are attached to C₂ and C₃ (i.e. 2,3-dimethyl-), while a -CH₂CH₃ group (ethyl group) is attached to C₃ (i.e. 3-ethyl-).
收錄日期: 2021-04-18 15:41:22
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https://hk.answers.yahoo.com/question/index?qid=20160923103450AAzg1an