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4-(9-Anthryl)-1-(3-bromophenyl)spiro[azetidine-3,9 '-xanthen]-2-one
(Int Union Crystallography, 2009)
In the title molecule, C35H22BrNO2, the four-membered ring of the beta-lactam unit is nearly planar [maximum deviation = 0.003 (3) angstrom] and makes dihedral angles of 87.07 (15), 59.80 (16) and 20.81 (19)degrees, ...
4-(9-Anthryl)-1-(2-methoxyphenyl)spiro[azetidin-3,9 '-xanthen]-2-one
(Int Union Crystallography, 2009)
The stabilized conformation of the title compound, C36H25NO3, 4-(9-anthryl)-1-(2-methoxyphenyl)-spiro[azetidin-3,9'-xanthen]-2-one, may be compared with that of the isomeric compound 4-(9-anthryl)-1-(4-methoxyphenyl)spir ...
Crystal structure of 4-[(E)-(4-nitrobenzylidene)amino]phenol
(Int Union Crystallography, 2015)
The asymmetric unit of the title compound, C13H10N2O3, contains four independent molecules (I, II, III and IV). Molecule IV shows whole-molecule disorder over two sets of adjacent sites in a 0.669 (10):0.331 (10) ratio. ...
4-(9-Anthryl)-1-phenylspiro[azetidine-3,9 '-xanthen]-2-one
(Int Union Crystallography, 2009)
The beta-lactam ring of the title compound, C35H23NO2, is nearly planar with a maximum deviation of 0.003 (3) angstrom from the mean plane. It makes dihedral angles of 17.4 (2), 85.22 (17) and 65.39 (16)degrees, respectively, ...
4-(9-Anthryl)-1-(1-naphthyl)spiro[azetidine-3,9 '-xanthen]-2-one n-hexane hemisolvate
(Int Union Crystallography, 2008)
In the title compound, C39H25NO2 center dot 0.5C(6)H(14), the beta-lactam ring is nearly planar [maximum deviation of 0.012 (2) angstrom from the mean plane] and makes dihedral angles of 36.41 (13), 88.87 (13) and 54.16 ...
4-(9-anthryl)-1-(4-methoxyphenyl)spiro[azetidin-3,9 '-xanthen]-2-one
(Int Union Crystallography, 2008)
In the title molecule, C36H25NO3, the beta-lactam ring is essentially planar, with a dihedral angle of 3.3 (2)degrees between the two separate three-atom N/C/C planes. The beta-lactam ring makes dihedral angles of 28.45 ...
4-(9-Anthryl)-1-(2,4-dimethoxyphenyl)spiro[azetidine-3,9 '-xanthen]-2-one
(Wiley-Blackwell, 2009)
The title compound, C(37)H(27)NO(4), crystallizes with two molecules in the asymmetric unit. The beta-lactam ring of each molecule is very nearly planar, with maximum deviations of 0.001 (2) and 0.017 (2) angstrom in the ...
Molecular Structure of 4-(9-Anthryl)-1-phenylspiro[azetidine-3,90-xanthen]-2-one.
(Int Union Crystallography, 2009)
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