Benzoyl chloride, 2-hydroxy-3-methoxy- (9CI) synthesis
- Product Name:Benzoyl chloride, 2-hydroxy-3-methoxy- (9CI)
- CAS Number:82944-14-7
- Molecular formula:C8H7ClO3
- Molecular Weight:186.59
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Yield:-
Reaction Conditions:
with thionyl chloride;N,N-dimethyl-formamide in dichloromethane; for 1 h;Heating / reflux;
Steps:
56.1 2-Hydroxy-3-methoxy-benzoyl Chloride
5 g of 3-methoxy-salicylic acid were suspended in 40 ml dichloromethane and 10 ml of thionyl chloride and 0.5 ml of DMF were added. The mixture was refluxed for 1 hour and the solvent evaporated, the temperature being maintained below 40° C., to give 5 g of a white solid which was used as such in the following step
References:
US2005/124664,2005,A1 Location in patent:Page/Page column 33
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