, , , . , , . , .
( ) ( ) . . . . . : , ( ).
.
(). (). .., .. . ., ., . . . : =, C=N, C=, =, ==,==, C=N, ,
. : ) ; ) ; )
, [--l-]n, [-2-H()-]n, [-2-(65)-]n, [-CH2-C(CH3)(COOR)-]n, [-2-2-]n, [-CH2-C(R)=CH-CH2-]n,
, . . . , , H2SO4 l, (SnCl4, TiCl4, A1Cl3 .), 1(25)3 . , , . .
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. , , (2, NH3, HCl, 2 .), . ., . , - ., ., . . , :
2NH2-(CH2)5-COOH
NH2-(CH2)5-CO-NH-(CH2)5-COOH + 2ή
NH2-(CH2)5-CO-NH-(CH2)5-COOH + NH2-(CH2)5-COOH
NH2-(CH2)5-CO-NH-(CH2)5-CO-NH-(CH2)5-COOH+ H2O ..
, . , , , , , ().
() . , .
' . , ..
- . , (), , . , .
- , . , , . , , .
, . . ( ), - .
- - , , , - , , , . , (, ) 20 15 20 , 36 .
- , , , - . . , . , , . - . , , , , , .
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, . , , , , , . . - . (, , , ..), , . .