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The crystal structure of 9α-(3-azabicyclo[3,3,1]nonanyl)-2-cyclopentyl-2-hydro- xyl-2-thienylacetate (C16H27NO3S, Mr = 349.48) has been determined by single-crystal X-ray diffraction analysis. The crystal belongs to orthorhombic, space group P212121 with a = 14.937(3), b = 8.1673(16), c = 15.423(3) , V = 1881.5(6) 3, Z = 4, Dc =1.234 g/cm3, μ = 0.188 mm-1, F(000) = 752, the final R = 0.0468 and wR = 0.1251. The bicyclo[3,3,1]nonane ring system adopts the most favored twin-chair conformation. The crystal structure shows the existence of intramolecular O–H…O hydrogen bonds by which a one-dimensional chain struc- ture is formed.
The crystal structure of 9α- (3-azabicyclo [3,3,1] nonanyl) -2-cyclopentyl-2-hydro xyl-2-thienylacetate (C16H27NO3S, Mr = 349.48) has been determined by single-crystal X-ray diffraction analysis. The crystal belongs to orthorhombic, space group P212121 with a = 14.937 (3), b = 8.1673 (16), c = 15.423 (3), V = 1881.5 (6) 3, Z = 4, Dc = 1.234 g / cm3, μ = 0.188 mm-1, F (000) = 752, the final R = 0.0468 and wR = 0.1251. The bicyclo [3,3,1] nonane ring system mechanisms the most favored twin-chair conformation. The crystal structure shows the existence of intramolecular O-H ... O hydrogen bonds by which one one-dimensional chain strucure is formed.