《有机波谱分析》习题答案

有机波谱分析练习题

有机波谱分析习题参考答案“有机质谱”部分习题参考答案 有机质谱” 1 3. A C2H3Cl, m/z 142 B C2H6S M 43 ( C3H7), 2. C2H2Cl2 , 142 or ClCH=CHCl (n-C4H9)3N, 4. 略

m/z

C9H20N,

5. (a)CH3COCH2CH2CH2CH3, (b) CH3COCH(CH3)CH2CH3 6. 7. 8. (a) CH3CH2CH2COOCH3, p-CH3COC6H4NO2 m/z 172, M 28 (C2H4) ,

CH3COCH2CH(CH3)2 (c) CH3COC (CH3)3 (c) CH3CH2COOCH2CH3

(b) (CH3)3CCOOH

C6H5OBr ,

BrC6H4OCH2CH3

9. C6H5COOCH2CH2CH2CH3 ,

m/z 123 M 55,酯的双氢重排。

“核磁共振氢谱”部分习题参考答案 核磁共振氢谱” 1.CH3CH2COOCH3 , 2.CH3CH2OCOCH(NO2)CH3

3. (a) C6H5CH(CH3)OCOCH3 , (b)C6H5CH2CH2OCOCH3, (c) p-CH3C6H4COOCH2CH3 4. HOCH2CH2CN , 5. CH3CH2OCOCH2N(CH3)2 7. 略, 8. CH3CH2CH2COOCH=CH2

6. CH3CH2OCOCH=CHCOOCH2CH3 ,9. c aOCH3 NH2

δa 6.35ppm, (1H, dd, Jac=8Hz, Jab=2Hz) δb 6.56ppm, (1H, d, Jab=2Hz) δc 6.85ppm, (1H, dd, Jca=8Hz)

bOCH3

10. (a) 2-乙基吡啶，(b)

3-乙基吡啶

“核磁共振碳谱”部分习题参考答案 核磁共振碳谱” 3. CH3COOCH=CH2 5. p-ClC6H4COCH3 7. (CH3CH2CO)2O 8. C6H5OCH2CH2OCOCH3 4. 6. 8. p-N ≡CC6H4COOH CH3CH2OCOCH2CH2COOCH2CH3 a: C6H5CH2COCH3 , b: C6H5COCH2CH3

有机波谱分析练习题

“红外光谱”部分习题参考答案 红外光谱” 2.C6H5 C≡CH, 5. 6. 7. 3. C6H5 OCH3 , 4. CH2=CHCH2C≡N, (B) CH2=CHOCOCH2CH3 (B) CH2=CHOCH2CH3 8. P-HSC6H4CH3 , 9. m-CH3C6H4NO2

(A) CH2=CHCH2OCOCH3 , (A) CH3COCH2CH3 , 7. P-HOC6H4CH(CH3)2 ,

“谱图综合解析”部分参考答案 谱图综合解析” 1.P-NH2COC6H4OCH2CH3 3.H3C H3C H2 C C H2C O O O

,

2. C6H5COCH2OC6H4CH3(p) 4.H3C H H

5.

H3C C H3C

CH2CH2CHO CN

6.

C6H5CH=CHCOCH(CH3)2O

(反式)

7.

CH3COOCH2CH(CH3)2

8.

H3C

SOCH2CH3 O