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5-tert-Butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)-2-thien-yl]-1,3-benzoxazole.

ABSTRACT: The title compound, C(26)H(26)N(2)O(2)S, was prepared by the reaction of thio-phene-2,5-dicarboxylic acid and 2-amino-4-tert-butyl-phenol. One of the tert-butyl groups is disordered over two conformations, with occupancies of 0.539 (1) and 0.461 (2). The two 1,3-benzoxazole rings are almost planar, with dihedral angles of 0.83 (18) and 1.64 (17)° between the five- and six-membered rings. The thio-phene ring makes dihedral angles of 21.54 (19) and 4.49 (18)° with the planes of the five-membered oxazole rings. The crystal packing is controlled by π-π stacking inter-actions involving the thio-phene and benzene rings, with a centroid-centroid distance of 3.748 (2) Å.

SUBMITTER: Li YF

PROVIDER: S-EPMC2959973 | biostudies-literature |

REPOSITORIES: biostudies-literature

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