ChemicalBook CAS DataBase List 4-METHOXY-3-HYDROXYACETOPHENONE

4-METHOXY-3-HYDROXYACETOPHENONE synthesis

10synthesis methods

Product Name:4-METHOXY-3-HYDROXYACETOPHENONE
CAS Number:6100-74-9
Molecular formula:C9H10O3
Molecular Weight:166.17

Preparation by saponification of 3-acetoxy-4-methoxy-acetophenone (90%) (59%).

1197-09-7
279 suppliers
$7.00/250mg

74-88-4
341 suppliers
$15.00/10g

6100-74-9
161 suppliers
$8.00/1g

498-02-2
457 suppliers
$5.00/1g

1131-62-0
315 suppliers
$14.00/5g

Yield:6100-74-9 84% ，498-02-2 6% ，1131-62-0 4%

Reaction Conditions:

with lithium carbonate in N,N-dimethyl-formamide at 55; for 18 h;Inert atmosphere;chemoselective reaction;

Steps:

Methylation of 4-acyl-1,2-dihydroxybenzenes (9); General Procedure
General procedure: To a solution of the appropriate 4-acyl-1,2-dihydroxybenzene (9) (0.25 mol) and methyl iodide (71 g, 0.5 mol) in DMF (250 mL) was added Li₂CO₃, (37 g, 0.5 mol). The resulting suspension was stirred under argon at 55° C for 18 h. The reaction mixture was poured into water (1 L) containing conc. HCl (70 mL), extracted with ethyl acetate, chromatographed on silica gel (hexane/acetone, 20:1) to give products 10-12 and unreacted 4-acyl-1,2-dihydroxybenzenes (9).

References:

Khmelevskaya, Ekaterina A.;Pelageev, Dmitry N. [Tetrahedron Letters,2019,vol. 60,# 15,p. 1022 - 1024] Location in patent:supporting information

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