Hu Yang
2009
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Journal
Chinese Journal of Structural Chemistry
Abstract
The crystal structure of the title compound ethyl 3-(4-chlorophenyl)-3,4-dihydro-6- methyl-4-oxo-2-(pyrrolidin-1-yl)furo[2,3-d]pyrimidine-5-carboxylate (C20H20ClN3O4, Mr = 401.84) has been prepared and determined by single-crystal X-ray diffraction. The crystal is of monoclinic, space group P21/n with a = 20.6215(9), b = 8.5311(4), c = 21.6886(9) , β = 91.607(1)o, V = 3814.0(3) 3, Z = 8, Dc = 1.400 g/cm3, F(000) = 1680, μ = 0.233 mm–1, R = 0.0718 and wR = 0.1545 for 6717 observed reflections with I 2σ(I). X-ray diffraction analysis reveals two crystallographically independent molecules in the asymmetric unit.