8 0 hz 7 36 4h s to a solution of 2 1 g of 3 4 chlorobenzyloxy n methylbenzylamine and 3 4 ml of triethylamnine in 50 ml of dichloromethane was dropwise added 1 0 ml of cyclobutanecarbonyl chloride with ice cooling the mixture was stirred at room temperature for 1 hour the reaction mixture was washed with water dried with anhydrous magnesium sulfate and subjected to vacuum distillation to remove the solvent whereby 3 1 g of 3 4 chlorobenzyloxy n cyclobutonecarbonyl n methylbenzylamine was obtained 1 h nmr cdcl 3 u03b4 ppm 1 81 2 53 6h m 2 80 2 90 total 3h s 3 20 3 48 1h m 4 40 4 54 total 2h s 5 01 2h s 6 70 6 93 3h m 7 19 7 33 1h m 7 35 4h s in 80 ml of thionyl chloride was dissolved 5 g of 4 4 chlorobenzyloxy benzoic acid the solution was refluxed with heating for 1 hour and then subjected to vacuum distillation to remove thionyl chloride the resulting residue was dissolved in 30 ml of dichloromethane the solution was dropwise added with ice cooling to a solution of 2 2 g of cyclopropylmethylamine and 10 ml of triethylamine in 100 ml of dichloromethane the mixture was stirred at room temperature for 1 hour the reaction mixture was washed with 2n hydochloric acid and water dried with anhydrous magnesium sulfate and subjected to distillation to remove the solvent whereby 4 2 g of 4 4 chlorobenzyloxy n cyclopropylmethylbenzamide was obtained 1.