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7943977 
Journal Article 
Synthesis and Structural Characterization of N-Hydroxy-7-oxa-bicyclo[2,2,1]hept-5-ene-2,3-dicarboximide 
Li, J 
2013 
Yes 
Asian Journal of Chemistry
ISSN: 0970-7077
EISSN: 0975-427X 
25 
2 
1159-1160 
English 
WOS:000312621300130 
The compound N-hydroxy-7-oxa-bicyclo[2,2,1]hept-5-ene-2,3-dicarboximide (C8H7NO4, Mr = 181.15) was synthesized and characterized by elemental analysis, 1H NMR spectra, IR spectra and single crystal X-ray diffraction. The crystal belongs to orthorhombic, space group Pnma, with a = 10.9505(11), b = 10.7263(10), c = 6.4005(4) Å, β= 90.00°, V = 751.79(11) Å3, Z = 4, Dc = 1.600 g/cm3, λ = 0.71073 Å, μ(MoKα) = 0.131 mm-1, F(000) = 376. The final refinement gave R = 0.0434, wR(F2) = 0.1074 for 702 observed reflections with I > 2σ (I). The structure of the title compound comprises a racemic mixture of chiral molecules containing four stereogenic centres. X-Ray diffraction analysis reveals that the cyclohexane ring tends towards a boat conformation, the tetrahydrofuran ring and the dihydrofuran ring adopt envelope conformations. 
N-Hydroxy-7-oxa-bicyclo[2,2,1]hept-5-ene-2,3-dicarboximide; Synthesis; Structural characterization