Spice of heat-not-burn cigarette, preparation method and heat-not-burn cigarette
A heat-not-burn, cigarette-making technology, applied in essential oils/spices, tobacco, processed tobacco, etc., can solve problems such as loss of aroma, hindering aroma release, and light taste
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Embodiment 1
[0066] Add dichloromethane (100ml) to the reaction vessel and stir, then add eugenol (1.6ml, 10.0mmol), isoeugenol (0.8ml, 5.0mmol), vanillin (0.9g, 5.0mmol), bromine Substitute tetraacetylglucose (8.22g, 20.0mmol), silver carbonate (2.2g, 8.0mmol), 4A molecular sieve (2.0g), react at room temperature for 2h, follow the reaction with TLC. After completion of the reaction, 120 ml of ethyl acetate was added, followed by filtration to remove insoluble matter. Add a sufficient amount of water, shake fully and separate the liquids, take the organic phase and add anhydrous magnesium sulfate for drying, concentrate under reduced pressure at 77°C to obtain an oil, separate by column chromatography (ethyl acetate:ethanol=20:1), and obtain 7.71 g viscous liquid, a mixture of phenolic tetraacetyl glucosides.
[0067] Add methanol (20ml) and phenolic tetraacetyl glucoside mixture (5.0g) into the reaction vessel, lower the temperature to about 0°C, and pass in ammonia gas dried with sodiu...
Embodiment 2
[0070] Add chloroform (100ml) to the reaction vessel and stir, then add eugenol (2.3ml, 15.0mmol), isoeugenol (1.15ml, 7.5mmol), vanillin (0.9g, 5mmol), bromotetraacetyl Glucose (8.22g, 20.0mmol), silver carbonate (2.2g, 8.0mmol), and silica gel powder (5.0g) were reacted at room temperature for 2h, followed by TLC. After completion of the reaction, 100 ml of ethyl acetate was added, followed by filtration to remove insoluble matter. Add a sufficient amount of water, shake well and separate the liquids, take the organic phase and add anhydrous magnesium sulfate for drying, concentrate under reduced pressure at 77°C to obtain an oil, separate by column chromatography (ethyl acetate:ethanol=20:1), and obtain 8.11 g viscous liquid, a mixture of phenolic tetraacetyl glucosides.
[0071] Add acetone (20ml) and phenolic tetraacetyl glucoside mixture (5.0g, 10mmol) into the reaction vessel, cool down to about -5°C, pass through ammonia gas dried with sodium hydroxide under stirring ...
Embodiment 3
[0074] Tetrahydrofuran (100ml) was added to the reaction vessel and stirred, followed by the addition of eugenol (3.1ml, 20.0mmol), isoeugenol (1.55ml, 10mmol), vanillin (0.45g, 2.5mmol), bromotetraacetyl Base glucose (8.22g, 20.0mmol), DMAP (1.2g, 10.0mmol), anhydrous magnesium sulfate (5.0g), react at room temperature for 2h, follow the reaction with TLC. After completion of the reaction, 100 ml of ethyl acetate was added, followed by filtration to remove insoluble matter. Add a sufficient amount of water, shake well and separate the liquids, take the organic phase and add anhydrous magnesium sulfate for drying, concentrate under reduced pressure at 66°C to obtain an oil, separate by column chromatography (ethyl acetate:ethanol=20:1), and obtain 5.83 g viscous liquid, a mixture of phenolic tetraacetyl glucosides.
[0075] Add acetone (20ml) and phenolic tetraacetyl glucoside mixture (5g, 10mmol) into the reaction vessel, cool down to about 5°C, and pass in ammonia gas dried...
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