Reaction of 1-aminoisoindole with methyl 4-chloro-3-oxobutanoate

Andrii Kysil, Angelina Biitseva, Tetyana Yegorova, Igor Levkov, Zoia Voitenko


Condensation of bifunctional 1-aminoisoindole with bis-electrophilic methyl 4-chloro-3-oxobutanoate undergoes regioselectively to afford 2-(chloromethyl)-2-hydroxy-2,6-dihydro­pyrimido[2,1-a]isoindol-4(3H)-one. The structure of the reaction product was unambiguously established by HMQC and HMBC heteronuclear correlations. The functionalization of the synthesized compound by reactions with a series of aliphatic amines was carried out.


1-aminoisoindole; methyl 4-chloro-3-oxobutanoate; pyrimido[2,1-a]isoindol-4(3H)-one; amines; heterocyclization; regioisomers; heteronuclear correlation spectroscopy

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