FIELD: organic chemistry.
SUBSTANCE: invention relates to the field of organic chemistry, and in particular to a method for producing 1,9-(1',4'-oxathiano-4'-oxide)-1,9-dihydro-( C60-Ih)[5,6]fullerene of formula 1 The method consists in the interaction at the first stage of 2-mercaptoethanol with C60 fullerene in the presence of solid LiOH under the action of ultrasound (22 kHz, 20 W) at a molar ratio of C60:2-mercaptoethanol:LiOH equal to 1:700:500, at room temperature in medium of toluene for 1 h. The resulting intermediate 1,4-oxatian of fullerene C60 is subjected to ultrasonic oxidation with a 20% solution of H2O2 in glacial acetic acid at a molar ratio of C60:H2O2:CH3COOH=1:1-3:200-500 for 1 -2 h followed by isolation of the target product by column chromatography.
EFFECT: method allows to reduce the reaction time and obtain the target product with a high yield (85%).
1 cl, 1 tbl, 6 ex
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Year |
Author |
Number |
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|
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