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(R)-Di-tert-butyl 1,1'-binaphthyl-2,2'-dicarboxyl-ate.

ABSTRACT: The crystal structure of the title compound, C(30)H(30)O(4), comprises two crystallographically independent half-mol-ecules which are completed by crystallographic twofold symmetry. The dihedral angles between the naphthalene ring planes are 85.83?(3) and 83.69?(3)° for the two molecules. The atoms of the tert-butyl group of one mol-ecule are disordered over two sets of sites with occupancies of 0.60:0.40. The crystal packing is achieved via ?-? stacking inter-actions between the naphthyl groups of adjacent mol-ecules, with a separation of 3.790?(1)?Å between the centroids of the rings.

SUBMITTER: Thoss M 

PROVIDER: S-EPMC2968339 | biostudies-literature | 2009 Jan

REPOSITORIES: biostudies-literature

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(R)-Di-tert-butyl 1,1'-binaphthyl-2,2'-dicarboxyl-ate.

Thoss Melanie M   Seidel Rüdiger W RW   Feigel Martin M  

Acta crystallographica. Section E, Structure reports online 20090108 Pt 2

The crystal structure of the title compound, C(30)H(30)O(4), comprises two crystallographically independent half-mol-ecules which are completed by crystallographic twofold symmetry. The dihedral angles between the naphthalene ring planes are 85.83 (3) and 83.69 (3)° for the two molecules. The atoms of the tert-butyl group of one mol-ecule are disordered over two sets of sites with occupancies of 0.60:0.40. The crystal packing is achieved via π-π stacking inter-actions between the naphthyl groups  ...[more]

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