Synthesis of unsaturated fatty acid derivatives of 4-aminosalicylic ac(2)
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1.1 Preparation of 4-(hendecene amideyl) salicylic acid 1
To the renselin (0.02 mol) in methylene chloride (100 ml).The reaction mixture was stirred to solution under 0℃, and DCC (0.01 mol) was add in the reaction mixture. The mixture was stirred for 2 hours under 0℃ and was stirred for 24 hours at room temperature, then was filtered to get rid of DCU get the methylene chloride solution of 11-ene-anhydride. The solution of 4-ASA in acetone (0.01 mol 4-ASA dissolved in 20 ml acetone) was add in the methylene chloride solution of 11-ene-anhydride ......
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