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The title compound ethyl 2-(6-(1,3-dioxo-4,5,6,7-tetrahydro-1H-isoindol-2(3H)-yl)-7-fluoro-3-oxo-2H-benzo[b][1,4]oxazin-4(3H)-yl) butanoate 3 was synthesized by the reaction of ethyl 2-(6-amino-7-fluoro-3-oxo-2H-benzo[b][1,4]oxazin-4(3H)-yl) butanoate with 4,5,6,7-tetraydrophthalic anhydride,and its structure was determined by X-ray single-crystal diffraction.The crystal belongs to the monoclinic system,space group P21/n with a = 9.3469(2),b = 16.7715(5),c = 13.7153(4) ,β = 104.9680(10)°,μ = 0.107 mm-1,Mr = 430.42,V = 2077.08(10) 3,Z = 4,Dc = 1.376 g/cm3,F(000) = 904,T = 296(2) K,R = 0.0508 and wR = 0.1478.
The title compound ethyl 2- (6- (1,3-dioxo-4,5,6,7-tetrahydro-1H-isoindol-2 (3H) -yl) -7-fluoro-3- oxo-2H-benzo [ [1,4] oxazin-4 (3H) -yl) butanoate 3 was synthesized by the reaction of ethyl 2- (6-amino-7-fluoro-3-oxo-2H-benzo [b] ] oxazin-4 (3H) -yl) butanoate with 4,5,6,7-tetraydrophthalic anhydride, and its structure was determined by X-ray single-crystal diffraction. The crystal belongs to the monoclinic system, space group P21 / n with a = 9.3469 (2), b = 16.7715 (5), c = 13.7153 (4) β, β = 104.9680 (10) ° and μ = 0.107 mm -1, Mr = 430.42, V = 2077.08 , Z = 4, Dc = 1.376 g / cm3, F (000) = 904, T = 296 (2) K, R = 0.0508 and wR = 0.1478.