How to Name a Compound

1. Find the longest continuous chain of C atoms, and use this as the base name.

2. Number the chain from the end nearest the first substituent encountered.

3. Name each substituent. (Side chains that are based on alkanes are called alkyl groups.)

 4. Begin the name with the number(s) on the C atom(s) to which each substituent is bonded.

5. When two or more substituents are present, list them alphabetically.

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1. 找出最长的C原子连续链，并以此作为碱基名称。

2. 从最靠近第一个取代基的末端开始编号。

3. 给每个取代基命名。(以烷烃为基础的侧链称为烷基。)

4. 以每个取代基所连着的C原子上的数字开始命名。

5. 当有两个或两个以上取代基时，按字母顺序列出它们。

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