NCC[C:4]1[CH:12]=[CH:11][C:7]([C:8]([OH:10])=[O:9])=[CH:6][CH:5]=1.[Na].C([O-])(=O)C.[Na+].C(NCCC1C=CC(C(O)=O)=CC=1)(=O)C.[OH-].[Na+].ClC1C=C(C=CC=1)CCl.Cl>O.CC(C)=O>[C:8]([OH:10])(=[O:9])[C:7]1[CH:11]=[CH:12][CH:4]=[CH:5][CH:6]=150 ml of a 1-molar solution of 4-(2-aminoethyl)-benzoic acid-sodium, which contained, in addition, 0.05 mole of sodium acetate and which had been prepared by saponification of 4-(2-acetylaminoethyl)-benzoic acid with sodium hydroxide solution, was combined with 50 ml of acetone and then with the solution of 9 g of 3-chlorobenzyl chloride in a small amount of acetone. The whole was stirred for about 1 hour, water and hydrochloric acid were added, filtered off with suction and the product was recrystallized from a mixture of water and isopropanol. The 4-(2-<3-chloro-benzamido>-ethyl)-benzoic acid obtained was found to melt at 200° to 202° C.
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