Structure of the trans-cisoid-trans isomer of 2,3,11,12-tetra-anisyl – 18-crown-6: rel-(2R,3R,11S,12S) – 2,3,11,12-tetrakis – 4-methoxyphenyl – 1,4,7,10,13,16 – hexaoxa – cyclooctadecane
Structure of the trans-cisoid-trans isomer of 2,3,11,12-tetra-anisyl – 18-crown-6: rel-(2R,3R,11S,12S) – 2,3,11,12-tetrakis – 4-methoxyphenyl – 1,4,7,10,13,16 – hexaoxa – cyclooctadecane, (B. L. Allwood, J. Crosby, D. A. Pears, H. Shahriari-Zavareh, A. M. Z. Slawin, J. F. Stoddart, and D. J. Williams), Acta Crystallogr. C. 1988, 44, 1109-1111.