Crystal structure of Dehydrodieugenol B methyl ether, a neolignan from Nectandra leucantha Nees and Mart (Lauraceae)

In the title compound, C 21 H 24 O 4 (systematic name: 4,5′-diallyl-2,2′,3′-trimethoxydiphenyl ether), the aromatic rings lie almost perpendicular to each other [dihedral angle = 85.96 (2)°]. The allyl side chains show similar configurations, with C ar —C—C=C (ar = aromatic) torsion angles of −123.6...

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Bibliographic Details
Published in:Acta crystallographica. Section E, Crystallographic communications Crystallographic communications, 2018-04, Vol.74 (4), p.518-521
Main Authors: Grecco, Simone S., Jerz, Gerold, Lago, Joao Henrique G., Jones, Peter G.
Format: Article
Language:English
Subjects:
crystal structure
eugenol
neolignan
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Summary:In the title compound, C 21 H 24 O 4 (systematic name: 4,5′-diallyl-2,2′,3′-trimethoxydiphenyl ether), the aromatic rings lie almost perpendicular to each other [dihedral angle = 85.96 (2)°]. The allyl side chains show similar configurations, with C ar —C—C=C (ar = aromatic) torsion angles of −123.62 (12) and −115.54 (12)°. A possible weak intramolecular C—H...O interaction is observed. In the crystal, molecules are connected by two C—H...O hydrogen bonds, forming undulating layers lying parallel to the bc plane. Weak C—H...π and π–π stacking interactions also occur.
ISSN:2056-9890
2056-9890
DOI:10.1107/S2056989018003717