Abstract
The title molecule, C14H14O3, contains two fused six-membered carbon rings with keto groups at positions 1, 4 and 5 and a gem-diethyl group at position 8. The molecule is close to planar (maximum deviation = 0.044 Å), with one ethyl group at each side of the molecular plane, with exception of the keto group at position 1 which is slightly deviated from the plane and disordered over two positions one on each side of it (occupancies 0.80/0.20). The packing of the molecule shows weak bonded chains along a through C—H⋯O contacts and two intramolecular C—H⋯O interactions are also present.
Highlights
Siemens SMART CCD areadetector diffractometerRint = 0.012 a Universidad Andres Bello, Departamento de Ciencias Quımicas, Av Republica 275, Santiago, Chile, bDepartamento de Quımica Orgánica, Facultad de Ciencias
Quımicas y Farmacéuticas, Universidad de Chile, Chile, and cCIMAT, Universidad de Chile, Av
The molecule is close to planar, with one ethyl group at each side of the molecular plane, with exception of the keto group at position 1 which is slightly deviated from the plane and disordered over two positions one on each side of it
Summary
Rint = 0.012 a Universidad Andres Bello, Departamento de Ciencias Quımicas, Av Republica 275, Santiago, Chile, bDepartamento de Quımica Orgánica, Facultad de Ciencias. Quımicas y Farmacéuticas, Universidad de Chile, Chile, and cCIMAT, Universidad de Chile, Av. Blanco Encalada 2008, Santiago, Chile. The title molecule, C14H14O3, contains two fused sixmembered carbon rings with keto groups at positions 1, 4 and 5 and a gem-diethyl group at position 8. The molecule is close to planar (maximum deviation = 0.044 Å), with one ethyl group at each side of the molecular plane, with exception of the keto group at position 1 which is slightly deviated from the plane and disordered over two positions one on each side of it (occupancies 0.80/0.20). The packing of the molecule shows weak bonded chains along a through C—H O contacts and two intramolecular C—H O interactions are present.
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