[問題]NMR的結構
想問一題關務特考NMR的鑑定結構,題目
是第一頁第二大題的第一題,
從他給的資訊來看,我只解出
有一個酯類官能基,而且一個
氧是接甲基,但另外一團結構
我就看不出來了…,只知道應
該還有一個環
http://wwwc.moex.gov.tw/ExamQuesFiles/Question/101/101040_10830.pdf
然後還想問一個問題,就是化學位移
和自旋自旋分裂,skoog的書說化學位
移會隨磁場強度增加而增加,自旋自旋不會受磁場強度影響
可是這不是和認知的不一樣嗎?
就是因為化學位移不變,才要記一些吸收的位置
請各位大大幫忙解惑,謝謝
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