4-ACETOXY-3,5-DIMETHOXYBENZOIC ACID synthesis
- Product Name:4-ACETOXY-3,5-DIMETHOXYBENZOIC ACID
- CAS Number:6318-20-3
- Molecular formula:C11H12O6
- Molecular Weight:240.21
Yield:6318-20-3 100%
Reaction Conditions:
with dmap in dichloromethane; for 3 h;
Steps:
6.1
To syringic acid (9.9 g, 50 mmol) in 100 mL DCM was added DMAP (6.7 g, 55 mmol). To this solution was added slowly acetic anhydride (5.6 g, 55 mmol). The solution was stirred for 3 hours and then concentrated in vacuo. The residue was taken up in DCM and washed with 1N HCl. The organic layer was dried over MgSO4 and concentrated to yield 6-1 as an orange solid (12 g, 50 mmol, 100%).
References:
US2005/222203,2005,A1 Location in patent:Page/Page column 12-13
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