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116问答网 > 化学大学有机化学如何从构象式判断RS？详细分析一下最好写在纸上有机化学老师求助

化学大学有机化学如何从构象式判断RS？详细分析一下最好写在纸上有机化学老师求助

2025-03-16 07:00:37

推荐回答（1个）

回答1：

把你要判断的碳原子所连基团按照大小顺序分别用R1，R2，R3，R4来表示，小基团在后面（注意判断空间构型），用右手判断，顺时针为R，逆时针为S ，百试不爽，当然也可以再写成费切尔投影式，也是以R1，R2，R3，R4来表示四个基团，很容易判断

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