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8-O-Acetyl-8-epi-9-de-oxygoniopypyrone.


ABSTRACT:

The title compound (systematic name

7-oxo-3-phenyl-2,6-dioxabicyclo-[3.3.1]nonan-4-yl acetate), C(15)H(16)O(5), is a styryllactone derivative which was isolated from Goniothalamus macrophyllus. The mol-ecule has two fused rings consisting of a tetra-hydro-2H-pyran and a lactone ring, with the benzene ring and the acetyl group attached to the tetra-hydro-2H-pyran ring. The tetra-hydro-2H-pyran ring is in a standard chair conformation, whereas the lactone ring is in an envelope conformation. In the crystal, mol-ecules are linked by weak C-H?O inter-actions into sheets parallel to the ac plane. Weak C-H?? inter-actions are also observed.

SUBMITTER: Fun HK 

PROVIDER: S-EPMC3344029 | BioStudies | 2012-01-01

REPOSITORIES: biostudies

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