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УГЛЕВОДЫ PowerPoint PPT Presentation


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УГЛЕВОДЫ. ДИ- И ПОЛИСАХАРИДЫ. Цель лекции. с формирова ть представлени е о взаимосвязи строения и свойств ди- и поли сахаридов. План лекции. Медико-биологическое значение ди- и полисахаридов Классификация Химические свойства Реакции обнаружения. Углеводы. Моносахариды. Полисахариды.

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УГЛЕВОДЫ

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-


  • -


  • - -


  • . ( n=10)


+

+


CH2OH

CH2OH

4

1

1

OH

OH

HO

OH

OH

O

OH

HO

OH

-D-

-1,4-

-D--1,4--D-

-


CH2OH

CH2OH

CH2OH

CH2OH

OH

OH

OH

OH

OH

O

O

OH

HO

HO

OH

OH

OH

OH

-

-

-


-

Ag(NH3)2OH

to

Ag

NH3

H2O

+

+

+

Cu(OH)2

Cu2O

H2O

+

+

to


-1,4-

Br2, H2O


CH3OH

HCl

-D--1,4--D-

O---


H2O, H+

-D--1,4--D-

+

-D-

-D-


CH2OH

CH2OH

OH

OH

O

OH

HO

OH

OH

CH2OCH3

CH2OCH3

OCH3

OCH3

O

OCH3

H3CO

OCH3

OCH3

(CH3)2SO4

NaOH

-

O-


CH2OCH3

CH2OCH3

OCH3

OCH3

O

OCH3

H3CO

OCH3

OCH3

H2O, H+

+

2,3,4,6--

-D-

2,3,6--

-D-


CH2OH

CH2OH

OH

OH

O

OH

HO

OH

OH

CH2OAc

CH2OAc

OAc

OAc

O

OCOCH3

AcO

OAc

OAc

Ac

(CH3CO)2O

-


CH2OAc

CH2OAc

CH2OH

OAc

OAc

O

2

OCOCH3

AcO

OH

OAc

OAc

OH

Ac

HO

OH

H2O, H+

+

8 CH3COOH


CH2OH

CH2OH

OH

OH

O

OH

HO

OH

OH

CH2OAc

CH2OAc

OAc

OAc

O

OCOCH3

AcO

OAc

OAc

Ac

H2O, NaOH

+

8 CH3COONa


CH2OH

1

OH

HO

OH

OH

1,2-

O

-D-

OH

-D--1,2-

-D-

2

1

-D-


-D-

H2O, H+

+

-D-




  • :

  • (10-20%)

  • (80-90%)

(C6H10O5)n


-D-


:

H2O, H+

n


:

H2O

m<n

H2O

H2O

C12H22O11

n


-D-


H





N--D-



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