:

3g 4g

:

./
(4812) 31-08-84,
(4812) 31-74-79,
(4812) 31-74-99.



7.


51


-, (- , , ):

.-5" .-S5" ,-N'R ,-Nr

■-£♦ "-'Ar '"&*> ""We* [.7.6]

^\ ^\ ^\ I

. , 8.

. , , , , , . , , /- .

, , . , -, . , , .

, , , . :

.

.

( -).

7.1.

- ( ), , , , , , . . ( [.7.8] [.7.9] HNu).

. .7.7 .

, (, ), ! (. [.7.8] [.7.9]):


HNu + NC=0 ^^ H-Nu-C- = Nu-C-QH


I (-) II ( [.7.8]).


.7.7.

 

 

 

\ - \ . - + -- ^^

/ - /

,

\ _ \ л +ROH(H) \ ,OR

-0 + H-0-R ==: -

/ " / 4OR " * / NOR

: gp

+ S R

/ SR

 

\ \ ,0 \_0 + HoN-R C_NR

( )

()

/" * /"4NHR -H2 / :

+ NH,-OH C=NOH

2 /

\+ NH2-NH-R - C=N-NHR

/

\+ NH.-NH-CO-NH2 C=N-NH-CO- NH2

2 /

\ \ \ NR2

' - + NRo -~ ,^~ -

/ / 4NR2 "* / \

 

\ \ ,

c_o+is~o "- ,0

/ / 4S=0

ONa


.7.7.


:

""

/ ()

!