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ChemicalBook CAS DataBase List Hinokitiol
499-44-5

Hinokitiol synthesis

10synthesis methods
-

Yield:499-44-5 97.5%

Reaction Conditions:

with potassium phosphate in tetrahydrofuran at 100; for 2 h;

Steps:

11 Example 11

2-hydroxy-4-chloro-2,4,6-cycloheptatrien-1-one 15.6 g (0.1 mol) was added to 600 mL of THF, and then 1 mol/L of potassium phosphate 330 mL and isopropylboric acid (0.12 mol) were added, and the mixture was heated to 100 ° C, After the reaction was carried out for 2 h, the mixture was extracted and concentrated with ethyl acetate, then it was added to 300 mL of methanol and 300 mL of HCl/1,4-dioxane 300 mL, and reacted at room temperature for 5 h, and the reaction of the raw materials was monitored by TLC. It was concentrated in vacuo and washed with diethyl ether to give Hinokitiol 16g. yield 97.5%.

References:

CN108586215,2018,A Location in patent:Paragraph 0060; 0061

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