FIELD: chemistry.
SUBSTANCE: invention relates to oligosaccharides for synthesis of sugars, as well as a method for production thereof, where the oligosaccharides contain a fragment:
.
Wherein tetrasaccharide includes X1, hexasaccharide includes X1, X2, octasaccharide includes X1, X2, X3, decasaccharide includes X1, X2, X3, X4, dodecasaccharide includes X1, X2, X3, X4; X1-X4 represent:
or 
,
where R8 is hydrogen or alkyl; R1 - R2, R5 - R7 are protective groups. The disclosed method comprises joining the structures:
or 
to the structure 
or 
,
where R1 - R10 are protective groups. Novel oligosaccharides and methods for production thereof for industrial use are disclosed.
EFFECT: improved properties of compounds.
82 cl, 18 dwg, 2 tbl, 7 ex
