Preparation of n-alkenyl-2-aminomethyl-pyrrolidines

Details Preparation of n-alkenyl-2-aminomethyl-pyrrolidines Preparation of n-alkenyl-2-aminomethyl-pyrrolidines

C - Chemistry, Metallurgy

07

D

260/325.3

C07D 207/06 (2006.01) C07D 207/09 (2006.01)

Patent

CA 1065881

"THE PREPARATION OF N-ALKENYL,-2- AMINOMETHYL- PYRROLIDINES" ABSTRACT OF THE DISCLOSURE An N-alkenyl-2-aminomethyl-pyrrolidine is prepared by firstly reacting tetrahydrofurfurylamine with gaseous hydrochloric acid and thionyl chloride to produce 2, 5 dichloropentylamine hydrochloride. This is acetylized, possibly by acetyl chloride in dichloroethane in the presence of triethylamine, into N-acetyl-Z, 5-dichloropentylamine which is condensed with an alkenylamine into an N-alkenyl-Z- acetylaminomethyl pyrrolidine from which the acetyl group is separated, for example by boiling with concentrated hydrochloric acid. -1-

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