.
C6H5NH2 + NaNO2 + 2 HCl 2H2O + NaCl + C6H5N2Cl
1858 . . , . :
1. .
+H2O
C6H5NH2 + HCl [C6H5N+H3]Cl
, , , .
2. .
.
NaNO2 + HCl NaCl + HNO2
, .
) -.
H+ + HONO H2O + N+O
-
) .
O=N-OH + HCl H2O + O=N-Cl
) -
.. H+ + H-O-N=O |
) , , N2O3.
HO-N=O | ||
H2O + | ||
HO-N=O |
3 - .
) C6H5-NH2 + N+O .. | H+ + C6H5NH-N=O | |
- | N- |
) 6H5-NH2 + Cl-N=O HCl + C6H5-NH-N=O
) | + | H3O+ + C6H5-NH-N=O | ||
- |
) | + | HNO2 + C6H5-NH-N=O | ||
N- |
4 .
, . .
.. H+Cl-
6H5-NH-N=O C6H5-N=N-O-H H2O + [C6H-N N]+Cl-
, :
1. (2,5-3 1 ), :
) ;
) ;
) , .. .
6H5N2Cl + H2NC6H5 C6H5N=N-NH-C6H5
-HCl
()
2. 50, ..
) (, , ) , HNO2.
|
|
) , , , :
6H5N2Cl + HOH HCl + N2 + C6H5OH
II .
C6H5N2Cl + AgOH [C6H5N+ N]O-H + AgCl
, , .
III .
.
NaOH
[C6H5-N+ N]Cl + NaOH NaCl + C6H5-N=N-OH H2O + C6H5-N=N-ONa
, (- -).
c- | () |