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ChemicalBook CAS DataBase List Deoxyarbutin

Deoxyarbutin synthesis

7synthesis methods
Deoxyarbutin is a derivative of ?-arbutin, obtained by removal of hydroxyl groups from the glucose side-chain of ?-arbutin.
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Yield:53936-56-4 100%

Reaction Conditions:

with 5%-palladium/activated carbon;hydrogen in ethanol at 20; under 3000.3 Torr; for 3 h;Autoclave;

Steps:

[Synthesis of Compound (9-3)]

To a 1-liter autoclave, 56.3 g (198 mmol) of the compound (9-2), 2.8 g of a catalyst (5% Pd/C), and 250 ml of ethanol were added. The resulting mixture was reacted at room temperature for 3 hours while the hydrogen pressure was maintained to be 0.4 MPa. After the catalyst had been removed by filtration, vacuum concentration was performed. Hereby, 38.5 g of the compound (9-3) was prepared (quantitative)

References:

US2017/260150,2017,A1 Location in patent:Paragraph 0146; 0148

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