[Synthesis of galactomannan sulfates].
The experimental conditions for the sulfation of legume galactomannans were found, which allow for the obtainment of polysaccharides with a high degree of substitution. Sulfate esters of four galactomannans of different composition (galactose content, 16.4-47.5%) were synthesized using the SO3-pyridine complex in dimethylformamide as a sulfating agent. The degree of substitution was as high as 1.4-1.8; it did not correlate with the content of galactose in the polysaccharides. It was found that the degree of sulfation depended on the reaction temperature in the range of 19-60 degrees C.
Mestechkina
N M
NM
Egorov
A V
AV
Shcherbukhin
V D
VD
D005690:Galactose / Q000031:analogs & derivatives; D029881:Galega / Q000737:chemistry*; D008351:Mannans / Q000138:chemical synthesis* / Q000737:chemistry; D012639:Seeds / Q000737:chemistry*; D013431:Sulfates / Q000138:chemical synthesis* / Q000737:chemistry; D013463:Sulfuric Acid Esters / Q000138:chemical synthesis* / Q000737:chemistry
D008351:Mannans; D013431:Sulfates; D013463:Sulfuric Acid Esters; C012990:galactomannan; D005690:Galactose