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Synthesis of β-Lactam and Anomalous Minor Products in the (i-Pr)2NEt-Promoted Reaction of N-Chloroglycine Methyl Ester Derivative with Dichloroacetyl Chloride


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Abstract

Apart from the expected [2 + 2]-cycloaddition product, the reaction of N-chloro-N-(2-methoxy-2-oxoethyl)-β-alanine methyl ester with dichloroacetyl chloride in the presence of ethyl(diisopropyl)amine gave minor N-(1,2-dichloro-2-oxoethyl)-β-alanine methyl ester and (3E)-1,1,1-trichloro-4-(diisopropylamino)- but-3-en-2-one.

About the authors

Z. R. Valiullina

Ufa Institute of Chemistry, Ufa Federal Research Center

Email: bioreg@anrb.ru
Russian Federation, pr. Oktyabrya 69, Ufa, Bashkortostan, 450054

A. M. Galeeva

Ufa Institute of Chemistry, Ufa Federal Research Center

Email: bioreg@anrb.ru
Russian Federation, pr. Oktyabrya 69, Ufa, Bashkortostan, 450054

N. K. Selezneva

Ufa Institute of Chemistry, Ufa Federal Research Center

Email: bioreg@anrb.ru
Russian Federation, pr. Oktyabrya 69, Ufa, Bashkortostan, 450054

M. S. Miftakhov

Ufa Institute of Chemistry, Ufa Federal Research Center

Author for correspondence.
Email: bioreg@anrb.ru
Russian Federation, pr. Oktyabrya 69, Ufa, Bashkortostan, 450054

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