药物合成反应(闻韧_第三版)第六章课后答案Chapter_6_Oxidation_Reaction

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《药物合成反应》(第三版) 闻韧主编 第六章氧化反应习题及答案

1 第六章 氧化反应习题及答案

1. 根据以下指定原料、试剂和反应条件,写出其合成反应的主要产物

(1)

CH

3CO

2H, 20oCCrO

3

(2)CCH

3O

SeO2

(3)H

2CrO

4

OH

CH

3CH(CH

3)

2

丙酮

(4)HOCH

2CH

2CCH

2CH=CHCO2CH

3CH

3

CH

3PCC

(5)CO

2CH

3CrO

3(Py)

2

(6)CH

3CH

2CHCCH

2CH

3

OHO

MnO

2

(7)CH

3CH=CHCO

2C

2H

5CF

3CO

3H

(8)(CH

3)

2CHCH=CHCH=CHCH2OH

ClCOCOClDMSO

(9)OH

HOH

2CMo(CO)

6

t-BuOOH

(10)

O1) I

2/AcOAg/AcOH/H

2O

2) KOH/MeOH

武汉工程大学

化工与制药学院《药物合成反应》(第三版) 闻韧主编 第六章氧化反应习题及答案

2 (11)

2) NaOH

COOH1) HCO

2H, H

2O

2

(12)O

H

3

CCH

3HH

3CH

2SO

4

MeOH

(13)H

2O

2, CH

3CN

CH

3OH, KHCO3

(14)KMnO4丙酮

(15)

NO1) O

3

2) Me

2S

1. 根据以下指定原料、试剂和反应条件,写出其合成反应的主要产物(参考答案)

题号 答案 注释

1 O

2

HO

O

3

CH

3CH(CH

3)

2

O

4

OHCCO

2CH

3

5

CH

3CH

3

CO

2CH

3

H

3CCH

3O

《药物合成反应》(第三版) 闻韧主编 第六章氧化反应习题及答案

3 6

OO

7

CH

3CHCHCO

2C

2H

5O

8

CHO

9 H

HOH

2COO

J. org. Chem., 1980, 45:4825.

10

OH

HOH

OH

11

COONa

OH

HO J. Org. Chem., 1972, 37: 3393.

12

CHCH

3H

3C

H

3C

OCH

3OH

13

OH

H

14

HOOCCOOH

J. Org. Chem., 1974, 39: 1535.

15

NO

O

CH

3 本题的教材中答案可能有误?

2. 在下列指定原料和产物的反应式中分别填入必需的化学试剂(或反应物)和反应条件。 《药物合成反应》(第三版) 闻韧主编 第六章氧化反应习题及答案

4 (1)

ClCH

3

ClCOOH

(2)PhCH=CHCH

2OHPhCH=CHCH=O

(3)

O

(4)

C

H

CH

2CO

2CH

3HC(CH

3)

2HC

H

CH

2CO

2CH

3HCHCHO

(5)

S

HHOH

NCH

3

H

3CO

2C

S

HHO

NCH

3

H

3CO

2C

(6)

OHOCH

3OOCH

3

(7)O

H

CHOH

HO

H

CO

2HHH

(8)CONH

2

CH(CH

3)

2CONH

2

CH(CH

3)2O

(9)OHOHO

(10)H

2C=CHCH(OC

2H

5)

2H

2CCHCH(OC

2H

5)

2

OHOH 《药物合成反应》(第三版) 闻韧主编 第六章氧化反应习题及答案

5 (11)CH2

CHCH

2CH

2OCPh

3

CH

3O

CHCH

2CH

2OCPh3

CH3 (12)PhCOCH

2CH2

COPhPhCOCHCHCO

Ph

2. 在下列指定原料和产物的反应式中分别填入必需的化学试剂(或反应物)和反应条件。(参考答案)

题号 答案 注释

1 1. KMnO

4, H

2O; 2. HCl

2 CrO

3·(Py)

2 J. Org. Chem., 1969, 34: 1979.

3 CrO

3·(Py)

2 J. Org. Chem., 1969, 34: 3587.

4 CrO

3·(Py)

2 J. Org. Chem., 1979, 44: 2441.

5 DMSO, Ac

2O

6 Org. Lett., 2003, 5: 3049.

7 Ag

2O

8 J. Org. Chem., 1992, 57: 6696.

9 CH

3COOOH, NaHCO

3 J. Org. Chem., 1987, 52: 4898.

10 KMnO

4, H

2O, 5℃

11 1. O

3; 2. Zn, H

2O J. Org. Chem., 1972, 37: 2877.

12 SeO

2, 80%AcOH

(aq.)

3. 阅读(翻译)以下有关反应操作的原文,请在理解基础上写出:(1)此反应的完整反应式(原料、

试剂和主要反应条件);(2)此反应的反应机理(历程)。

(1) Dipyridine chromium(VI) oxide (Note 1).

A dry, 1-l., three-necked flask fitted with a sealed mechanical stirrer, a thermometer, and a drying tube,

is charged with 500 ml. of anhydrous pyridine (Note 2), which is stirred and cooled to approximately 15°

(Note 3) with an ice bath. The drying tube is periodically removed and 68 g. (0.68 mole) of anhydrous

chromium(VI) oxide (Note 4) is added in portions through the neck of the flask over a 30-minute period.

The chromium trioxide should be added at such a rate that the temperature does not exceed 20° and in such

a manner that the oxide mixes rapidly with the pyridine and does not adhere to the side of the flask (Note 5).

As the chromium trioxide is added, an intensely yellow, flocculent precipitate separates from the pyridine

and the viscosity of the mixture increases. When the addition is complete, the mixture is allowed to warm

slowly to room temperature with stirring. Within one hour the viscosity of the mixture decreases and the

initially yellow product changes to a deep red, macrocrystalline form that settles to the bottom of the flask

when stirring is discontinued. The supernatant pyridine is decanted from the complex and the crystals are

washed several times by decantation with 250-ml. portions of anhydrous petroleum ether. The product is

collected by filtration on a sintered glass funnel and washed with anhydrous petroleum ether, avoiding

contact with the atmosphere as much as possible. The complex is dried at 10 mm. until it is free-flowing,