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Ethyl 2-(1,2,3,4-tetrahydro-spiro-[carba-zole-3,2'-[1,3]dioxolan]-9-yl)acetate.

ABSTRACT: In the title compound, C(18)H(21)NO(4), the hydrogenated six-membered ring of the carbazole unit adopts a half-chair conformation. The dioxolane ring and ethyl-acetate substituent point to opposite sides of the carbazole plane. The ethyl-acetate substituent adopts an essentially fully extended conformation, and its mean plane forms a dihedral angle of 83.8?(1)° with respect to the carbazole mean plane. The mol-ecules are arranged into stacks in which the carbazole planes form a dihedral angle of 4.4?(1)° and have an approximate inter-planar separation of 3.6?Å.

SUBMITTER: Loffler PM 

PROVIDER: S-EPMC2969037 | biostudies-literature | 2009 Mar

REPOSITORIES: biostudies-literature

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Ethyl 2-(1,2,3,4-tetrahydro-spiro-[carba-zole-3,2'-[1,3]dioxolan]-9-yl)acetate.

Löffler Philipp M G PM   Ulven Trond T   Bond Andrew D AD  

Acta crystallographica. Section E, Structure reports online 20090306 Pt 4

In the title compound, C(18)H(21)NO(4), the hydrogenated six-membered ring of the carbazole unit adopts a half-chair conformation. The dioxolane ring and ethyl-acetate substituent point to opposite sides of the carbazole plane. The ethyl-acetate substituent adopts an essentially fully extended conformation, and its mean plane forms a dihedral angle of 83.8 (1)° with respect to the carbazole mean plane. The mol-ecules are arranged into stacks in which the carbazole planes form a dihedral angle of  ...[more]

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