title: 1-tert-Butyl 2-ethyl 5-bromo-3-(thio-phen-2-ylcarbon-yl)-1H-indole-1,2-dicarboxyl-ate.
abstract: In the title compound, C(21)H(20)BrNO(5)S, the thio-phene group is located above the mean plane of the indole ring and displays rotational disorder (i.e. rotation through 180°). The site occupancy of the major component is 0.902 (2), while that of the minor component is 0.098 (2). In the crystal, pairs of weak C-H⋯O inter-actions link the mol-ecules into centrosymmetric dimers.
authors: Department of Chemistry and Polymer Science, University of Stellenbosch, Private Bag X1, Matieland 7602,  South Africa.
authors: Mohammad
authors: M
authors: Hassam
authors: Vincent J
authors: VJ
authors: Smith