Potassium 3-aminopropyl amide

In addition, a recent discovery that potassium 3-aminopropyl amide (KAPA)771 isomerizes internal alkynyl alcohols to the terminal alkynes without racemization,78)... 

To a suspension of 3.9 grams of potassium amide is slowly added a solution of 19.2 grams (0.1 mol) Of 5H-dibenzo[a,d] cycloheptene in 600 ml of ether with stirring. The suspension is refluxed with stirring for 3 hours, then cooled to room temperature and a solution of 0.1 mol of 3-(N-formyl-N-methyl)-aminopropyl chloride in 100 ml of ether added. The mixture is then refluxed with stirring for 5 hours and then 100 ml of water added. The ether layer is then washed with dilute hydrochloric acid, then water and then dried over magnesium sulfate and evaporated to dryness yielding 5-[3-(N-formyl-N-methyl)-amino-propyl] -5H-dibenzo[a,d] cycloheptene. 

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