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Fraxinellone.


ABSTRACT: In the title compound, C(14)H(16)O(3) [systematic name: (3R*,3aR*)-3-(3-furan-yl)-3a,7-dimethyl-3a,4,5,6-tetra-hydro-2-benzofuran-1(3H)-one], the pendant methyl and furan groups attached to the stereogenic centres lie to the same side of the fused ring system. The dihedral angle between the five-membered rings is 74.8?(2)°; the fused five-membered ring adopts a twisted conformation. In the crystal, mol-ecules are linked by weak C-H?O inter-actions, which generate [100] chains.

SUBMITTER: Gu HM 

PROVIDER: S-EPMC3120588 | biostudies-literature | 2011 Jun

REPOSITORIES: biostudies-literature

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Fraxinellone.

Gu Hong-Mei HM   Xu Hao H   Zhong Zhao-Zhao ZZ   Zhu Hai-Liang HL   Li Qing-Shan QS  

Acta crystallographica. Section E, Structure reports online 20110520 Pt 6


In the title compound, C(14)H(16)O(3) [systematic name: (3R*,3aR*)-3-(3-furan-yl)-3a,7-dimethyl-3a,4,5,6-tetra-hydro-2-benzofuran-1(3H)-one], the pendant methyl and furan groups attached to the stereogenic centres lie to the same side of the fused ring system. The dihedral angle between the five-membered rings is 74.8 (2)°; the fused five-membered ring adopts a twisted conformation. In the crystal, mol-ecules are linked by weak C-H⋯O inter-actions, which generate [100] chains. ...[more]

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