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3,3-Dimethyl-9-phenyl-3,4-dihydro-acridin-1(2H)-one.

ABSTRACT: In the mol-ecule of the title compound, C(21)H(19)NO, the terminal saturated six-membered ring of the dihydro-acridine unit adopts an envelope conformation, while the other two fused rings are nearly coplanar, with a dihedral angle of 2.61?(3)°. The coplanar ring system is oriented with respect to the phenyl ring at a dihedral angle of 74.58?(3)°. In the crystal structure, there is a C-H?? contact between the central ring of the dihydro-acridine system and the phenyl ring and a ?-? contact between the two central rings [centroid-centroid distance = 3.809?(1)?Å].

SUBMITTER: Ghorbani H 

PROVIDER: S-EPMC2962177 | biostudies-literature | 2008 Jul

REPOSITORIES: biostudies-literature

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3,3-Dimethyl-9-phenyl-3,4-dihydro-acridin-1(2H)-one.

Ghorbani Hosein H   Bazgir Ayoob A  

Acta crystallographica. Section E, Structure reports online 20080719 Pt 8

In the mol-ecule of the title compound, C(21)H(19)NO, the terminal saturated six-membered ring of the dihydro-acridine unit adopts an envelope conformation, while the other two fused rings are nearly coplanar, with a dihedral angle of 2.61 (3)°. The coplanar ring system is oriented with respect to the phenyl ring at a dihedral angle of 74.58 (3)°. In the crystal structure, there is a C-H⋯π contact between the central ring of the dihydro-acridine system and the phenyl ring and a π-π contact betwe  ...[more]

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