A kind of electronic cigarette liquid containing phenylethyl alcohol glycoside
A technology of phenethyl glucoside and electronic cigarette liquid, applied in the field of daily chemical industry, can solve the problems of difficulty in natural extraction and separation, low content of phenethyl glucoside, low content, etc., achieves good flavoring effect, reduces drying irritation, The effect of high product purity
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Embodiment 1
[0056] Embodiment 1: the synthesis of tetraacetylglucose phenethyl alcohol
[0057]Add 5g pentaacetylglucose and 3g phenethyl alcohol in the three-necked flask, add 50ml methylene chloride therein, stir to make it fully dissolved in the methylene chloride, then put the three-necked flask into an ice-water bath, continue to stir for 10 minutes, and Under the condition of a water bath, a certain amount of catalyst is slowly added dropwise therein, the catalyst is equivalent to 100-400% of the mole fraction of pentaacetylglucose. After the addition of the catalyst is completed, the ice-water bath is removed, and the reaction is continued to stir at room temperature for 3 hours. After the reaction was complete, the mixture was filtered and the solvent was removed by rotary evaporation. The residue was dissolved in 200 mL of ethyl acetate and washed successively by 2 x 100 mL of saturated aqueous sodium bicarbonate, 2 x 100 mL of saturated aqueous sodium chloride and 2 x 100 mL of ...
Embodiment 2
[0059] Embodiment 2: the synthesis of phenylethyl alcohol glycoside
[0060] Take 1 g of the tetraacetylglucose phenylethanol prepared in step 1 and put it into a three-necked flask, and add 20 mL of methanol into it, and stir well to form a uniform suspension. 15 ml of a methanol solution containing 0.1 g of sodium methoxide was slowly added to the suspension, and further stirred for 60 minutes to fully react. After the reaction was complete, methanol was removed by rotary evaporation, and the residue was separated by silica gel column chromatography using ethyl acetate-methanol (15:1 volume ratio) as eluent. Fractions were monitored by thin layer chromatography (TLC) using ethyl acetate-methanol (8:1 volume ratio) as eluent. fractionation section with R f =0.51 were collected together and evaporated to give the product as a white solid which was recrystallized from appropriate amount of methanol in 92% yield.
[0061] Through the nuclear magnetic resonance spectrum analys...
Embodiment 3
[0063] An electronic cigarette liquid containing phenylethyl alcohol glycoside, its components include: 5% of smoke liquid extract, 8% of tobacco flavor, 5% of tobacco flavor, 15% of deionized water, 10% of glycerol, benzene Ethanol glycoside 5%, the balance is propylene glycol, and the consumption of each component is calculated by mass content.
[0064] When preparing e-cigarette liquid, prepare the above components, then mix them, and stir at room temperature for 30 minutes to fully mix the components.
[0065] Implementation example 4:
[0066] An electronic cigarette liquid containing phenylethyl alcohol glycoside, its components include: 10% of smoke liquid extract, 5% of tobacco flavor, 2% of tobacco flavor, 15% of deionized water, 20% of glycerin, benzene Ethanol glycoside 10%, the balance is propylene glycol, and the consumption of each component is calculated by mass content.
[0067] When preparing e-cigarette liquid, prepare the above components, then mix them, a...
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