C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
202/70, 260/607.
C07C 209/08 (2006.01)
Patent
CA 1120059
ABSTRACT This disclosure describes a novel process for preparing N-ethylethylenediamine which is useful as an intermediate for purifying penicillin. N-Ethylethylenediamine is also useful for manufacturing piperacillin. Piperacillin is useful as an anti- biotic. More particularly, the invention relates to a process for the efficient reaction of an ethyl halide and ethylenediamine and the recovery of anhydrous, ethylenediamine-free N-ethylethyl- -enediamine therefrom. - 1 -
318858
Bernady Karel F.
Mogolesko Paul D.
American Cyanamid Company
Smart & Biggar
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