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4-(9-Anthr-yl)-1-(3-bromo-phen-yl)spiro-[azetidine-3,9'-xanthen]-2-one.

ABSTRACT: In the title mol-ecule, C(35)H(22)BrNO(2), the four-membered ring of the ?-lactam unit is nearly planar [maximum deviation = 0.003?(3)?Å] and makes dihedral angles of 87.07?(15), 59.80?(16) and 20.81?(19)°, respectively, with the xanthene system, the anthracene system and the bromo-substituted benzene ring. The mol-ecular conformation is stabilized by weak intra-molecular C-H?O and C-H?N hydrogen bonds. The crystal structure features weak C-H?? inter-actions.

SUBMITTER: Celik I

PROVIDER: S-EPMC2970342 | biostudies-literature | 2009

REPOSITORIES: biostudies-literature

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4-(9-Anthr-yl)-1-(3-bromo-phen-yl)spiro-[azetidine-3,9'-xanthen]-2-one.

Celik Ismail I Akkurt Mehmet M Jarrahpour Aliasghar A Ebrahimi Edris E Büyükgüngör Orhan O

Acta crystallographica. Section E, Structure reports online 20090926 Pt 10

In the title mol-ecule, C(35)H(22)BrNO(2), the four-membered ring of the β-lactam unit is nearly planar [maximum deviation = 0.003 (3) Å] and makes dihedral angles of 87.07 (15), 59.80 (16) and 20.81 (19)°, respectively, with the xanthene system, the anthracene system and the bromo-substituted benzene ring. The mol-ecular conformation is stabilized by weak intra-molecular C-H⋯O and C-H⋯N hydrogen bonds. The crystal structure features weak C-H⋯π inter-actions. ...[more]

PMID: 21577969

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4-(9-Anthr-yl)-1-(2,4-dimethoxy-phen-yl)spiro-[azetidine-3,9'-xanthen]-2-one.

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4-(9-Anthr-yl)-1-(4-methoxy-phen-yl)spiro-[azetidin-3,9'-xanthen]-2-one.

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Project description:In the title mol-ecule, C(26)H(16)BrN(3)O(3), the anthracene and benzene mean planes make dihedral angles of 63.79?(2) and 14.67?(2)°, respectively, with the plane of the imidazole ring. In the crystal structure, weak inter-molecular C-H?O hydrogen bonds link mol-ecules to form centrosymmetric dimers. Weak ?-? stacking inter-actions, with centroid-centroid distances of 3.779?(2) and 3.826?(2)?Å, supply additional stabilization. The crystal packing also exhibits short inter-molecular contacts between the nitro groups and Br atoms [Br?O = 3.114?(2)?Å].

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(2E)-1-(2-Bromo-phen-yl)-3-(4-bromo-phen-yl)prop-2-en-1-one.

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