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不同化合物中甲基、亚甲基、次甲基的质子化学位移值

（H为产生吸收的质子）

化合物

δ

化合物

δ

化合物

δ

( (a) 甲基氢离子

 

C6H5CH2CH3

1.2

环戊烷

1.5

CH3NO2

4.3

CH3CH2OH

1.2

环己烷

1.4

CH3F

4.3

(CH3CH2)2O

1.2

CH3(CH2)4CH3

1.4

(CH3)2SO4

3.9

CH3(CH2)3Cl(Br,I)

1.0

环丙烷

0.2

C6H5COOCH3

3.9

CH3(CH2)4CH3

0.9

(c) 次甲基氢离子

 

C6H5-O-CH3

3.7

(CH3)3CH

0.9

C6H5CHO

10.0

CH3COOCH3

3.6

(b)亚甲基氢离子

 

4-ClC6H4CHO

9.9

CH3OH

3.4

EtOCOC(CH3)=CH2

5.5

4-CH3OC6H4CHO

9.8

(CH3)2O

3.2

CH2Cl2

5.3

CH3CHO

9.7

CH3Cl

3.0

CH2Br2

4.9

吡啶(α-H)

8.5

C6H5N(CH3)2

2.9

(CH3)2C=CH2

4.6

1,4-C6H4(NO2)2

8.4

(CH3)2NCHO

2.8

CH3COO(CH3)C=CH2

4.6

C6H5CH=CHCOCH3

7.9

CH3Br

2.7

C6H5CH2Cl

4.5

C6H5CHO

7.6

CH3COCl

2.7

(CH3O)2CH2

4.5

呋喃(α-H)

7.4

CH3SCN

2.6

C6H5CH2OH

4.4

萘(β-H)

7.4

C6H5COCH3

2.6

CF3COCH2C3H7

4.3

1,4-C6H4I2

7.4

(CH3)2SO

2.5

Et2C(COOCH2CH3)2

4.1

1,4-C6H4Br2

7.3

C6H5CH=CHCOCH3

2.3

HC≡CCH2Cl

4.1

1,4-C6H4Cl2

7.2

C6H5CH3

2.3

CH3COOCH2CH3

4.0

C6H6

7.3

(CH3CO)2O

2.2

CH2=CHCH2Br

3.8

C6H5Br

7.3

C6H5OCOCH3

2.2

HC≡CCH2Br

3.8

C6H5Cl

7.2

C6H5CH2N(CH3)2

2.2

BrCH2COOCH3

3.7

CHCl3

7.2

CH3CHO

2.2

CH3CH2NCS

3.6

CHBr3

6.8

CH3I

2.2

CH3CH2OH

3.6

对苯醌

6.8

(CH3)3N

2.1

CH3CH2CH2Cl

3.5

C6H5NH2

6.6

CH3CON(CH3)2

2.1

(CH3CH2)4N+I-

3.4

呋喃(β-H)

6.3

(CH3)2S

2.1

CH3CH2Br

3.4

CH3CH=CHCOCH3

5.8

CH2=C(CN)CH3

2.0

C6H5CH2N(CH3)2

3.3

环己烯(烯H)

5.6

CH3COOCH3

2.0

CH3CH2SO2F

3.3

(CH3)2C=CHCH3

5.2

CH3CN

2.0

CH3CH2I

3.1

(CH3)2CHNO2

4.4

CH3CH2I

1.9

C6H5CH2CH3

2.6

环戊基溴(C1-H)

4.4

CH2=CHC(CH3)=CH2

1.8

CH3CH2SH

2.4

(CH3)2CHBr

4.2

(CH3)2C=CH2

1.7

(CH3CH2)3N

2.4

(CH3)2CHCl

4.1

CH3CH2Br

1.7

(CH3CH2)2CO

2.4

C6H5C≡CH

2.9

C6H5C(CH3)3

1.3

BrCH2CH2CH2Br

2.4

(CH3)3CH

1.6

C6H5CH(CH3)2

1.2

环戊酮(α-CH2)

2.0

 

 

(CH3)3COH

1.2

环己酮(α-CH2)

2.0

 

 

　

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