The crystal of the title compound 6 has been prepared and determined by X-ray diffraction analysis. It belongs to the orthorhombic system, space group P212121 with a = 10.195(2), b = 11.955(2), c = 14.335(3) ?, C16H...The crystal of the title compound 6 has been prepared and determined by X-ray diffraction analysis. It belongs to the orthorhombic system, space group P212121 with a = 10.195(2), b = 11.955(2), c = 14.335(3) ?, C16H21BrO7, Mr = 405.24, V = 1747.0(6) ?3, Z = 4, Dc = 1.541 g/cm3, μ = 2.387 mm-1, F(000) = 832, R = 0.0266 and wR = 0.0348 for 2110 observed reflections with I > 2σ(I). The crystal exhibits a characteristic spiral structure consisting of one cyclopropane and two butyrolactones with envelope configuration. The intermolecular hydrogen bond between C(16)– H(16)…O(1) and C(3)–H(3)…O(2) has been observed in the crystal lattice.展开更多
基金Supported by the National Natural Science Foundation of China (No. 29672004)
文摘The crystal of the title compound 6 has been prepared and determined by X-ray diffraction analysis. It belongs to the orthorhombic system, space group P212121 with a = 10.195(2), b = 11.955(2), c = 14.335(3) ?, C16H21BrO7, Mr = 405.24, V = 1747.0(6) ?3, Z = 4, Dc = 1.541 g/cm3, μ = 2.387 mm-1, F(000) = 832, R = 0.0266 and wR = 0.0348 for 2110 observed reflections with I > 2σ(I). The crystal exhibits a characteristic spiral structure consisting of one cyclopropane and two butyrolactones with envelope configuration. The intermolecular hydrogen bond between C(16)– H(16)…O(1) and C(3)–H(3)…O(2) has been observed in the crystal lattice.
