(2E,25E)-11,14,17,33,36,39,42-Heptaoxapentacyclo[41.4.0.0 5,10.018,23.027,32]-heptatetraconta-1(43),2, 5(10),6,8,18,-20,22,25,27,29,31,44,46-tetradecaene-4,24-dione

The title compound, C40H40O9, is a product of the double crotonic condensation of bis(2-acetylphenoxy)-3-oxapentane with bis(2-formylphenoxy)-3,6-dioxaoctane. The title macromolecule includes the 31-crown-7-ether skeletal unit and adopts a saddle-like conformation. The two ethylene fragments have E configurations. The volume of the internal cavity of the macrocycle is approximately 125 Å3. In the crystal, the molecules are arranged at van der Waals distances.

Title:

(2E,25E)-11,14,17,33,36,39,42-Heptaoxapentacyclo[41.4.0.0 5,10.018,23.027,32]-heptatetraconta-1(43),2, 5(10),6,8,18,-20,22,25,27,29,31,44,46-tetradecaene-4,24-dione
Authors: Le, Tuan Anh
Truong, Hong Hieu
Soldatenkov, Anatoly T.
Keywords: Chemistry
molecular structures
Issue Date: 2011
Publisher: Elsevier
WILEY-BLACKWELL, COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
Abstract: The title compound, C40H40O9, is a product of the double crotonic condensation of bis(2-acetylphenoxy)-3-oxapentane with bis(2-formylphenoxy)-3,6-dioxaoctane. The title macromolecule includes the 31-crown-7-ether skeletal unit and adopts a saddle-like conformation. The two ethylene fragments have E configurations. The volume of the internal cavity of the macrocycle is approximately 125 Å3. In the crystal, the molecules are arranged at van der Waals distances.
Description: Acta Crystallographica Section E: Structure Reports Online 67(5), pp. o1128-o1129
URI: http://repository.vnu.edu.vn/handle/VNU_123/30062
ISSN: 1600-5368
Appears in Collections:Bài báo của ĐHQGHN trong Scopus

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