Received 19 February 2013
The title calixarene compound [systematic name: 3,9,15,34-tetra-tert-butyl-19,29-dioxa-24-thiahexacyclo[184.108.40.206,11.132,36.05,30.013,18]nonatriaconta-1(30),2,4,7,9,11(39),13,15,17,32,34,36(38)-dodecaene-38,39-diol], C52H70O4S, displays a cone-like conformation, the opposite arene rings bridged by the monothiacrown-3 unit are nearly parallel [dihedral angle = 16.01 (18)°], whereas the other opposite arene rings are twisted to each other at an angle of 74.41 (17)°. Intramolecular O-HO hydrogen bonds help to stabilize the molecular structure. In the crystal, a C-H interaction occurs. One of the tert-butyl groups is disordered over two sets of sites with a site-occupancy ratio of 0.70:0.30.
Data collection: SMART (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: XU5679 ).
The work was financially supported by National Natural Science Foundation of China (No. 21072052), the National Basic Research Program of China (No. 2009CB421601), Hunan Provincial Science and Technology Department Program (Nos. 2011 W K4007, 06 F J4115).
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