J. N. Low, C. Egglishaw, G. Ferguson
Apr 15, 1994
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Journal
Acta Crystallographica Section C-crystal Structure Communications
Abstract
The title compound, dimethyl 2-(6-amino-2-methoxy-3-methyl-4-oxo-3,4-dihydro-5-pyrimidyl)butenedioate, C 12 H 15 N 3 O 6 , contains a pyrimidine ring and a bis(methoxycarbonyl)vinyl moiety, the planes of which are inclined at an angle of 66.4 (1) o . The molecular dimensions are normal and show that the bonding in the pyrimidine ring is delocalized. The molecules are linked via intermolecular N-H...O=C hydrogen bonds [N...O 2.904 (3) and 3.219 (3) A] to form a three-dimensional network