| 摘要 |
The compound 1,2,5,6-dibenzo-9-oxa-[3.3.1]-bicyclonona-2,6-diene is prepared by the condensation of two moles of phenylacetaldehyde in the presence of a strong acid such as fluorosulfuric acid. The compound is a useful intermediate in the synthesis of pharmaceuticals, for example, antispasmodic and antiinflammatory agents.
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