| 摘要 |
The present specification provides novel intermediates and novel processes for the synthesis of Thromboxane B2 11a-homo-11a-oxa-PGF2 alpha ), its 15-epimer, and various carboxyl derivatives thereof. In particular, there are disclosed various bicyclic tetrahydrofuran-containing lactones useful in the above processes, and corresponding acyclic lactones.
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