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Photoisomerization of tetraethyl 6,8,15,17-tetrahydro-7H,16H-5,18[1',2']-benzeno-9,14-ethenodibenzo[a,h]cyclotetradecene-7,7,16,16-tetracarboxylate. Structure of tetraethyl 2,3,3a,7b,9,10,10a,14b-hexahydro-1H,8H-3a,7b[1',2']-benzeno-10a,14b-ethenodibenzo[a,e]dicyclopenta[c,g]cyclooctene-2,2,9,9-tetracarboxylate as its methylene chloride solvate

✍ Scribed by Hua, D. H. ;Dantoing, B. ;Robinson, P. D. ;Qui, T. C. ;Meyers, C. Y.

Book ID
114510928
Publisher
International Union of Crystallography
Year
1994
Tongue
English
Weight
447 KB
Volume
50
Category
Article
ISSN
0108-2701

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## Abstract The molecular structures of the title compounds 3 and 5 were investigated by NMR and X‐ray structural methods. The NMR results suggest two equivalent halves for both molecules. The X‐ray study shows an approximate mirror plane for 3 and an approximate twofold axis for a significant port