| 摘要 |
The present invention describes allenic prostacyclin derivatives of the formula: <IMAGE> wherein: n is 0, 1, or 2; R1 is hydrogen, lower alkyl, or a pharmaceutically acceptable cation; R2 is hydrogen, lower alkyl, cycloalkyl, heteroaryl, halogen, phenyl, alkylthio, phenylthio, alkylsulfinyl, phenylsulfinyl or trifluoromethyl; R3 is lower alkyl, cycloalkyl, phenyl, benzyl, cycloheteroalkyl, lower alkyl having one to eight carbons substituted with one or more fluorines or containing 1 or 2 unsaturated bonds; and carbon 15 may be in the R or the S configuration, or a mixture of R and S. These compounds are useful for the treatment of platelet dysfunction, atherosclerosis, allergic disorders, gastric ulcers, hypertension and tumor cell metastasis. Also disclosed is the process for preparing them and the appropriate intermediates.
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