Claims
- 1. A composition selected from the group consisting of compounds of the formula: ##STR9## wherein R.sub.6 is hydrogen or lower alkyl; R.sub.2 is hydrogen, methyl or fluoro, R.sub.2 ' is fluoro, hydrogen, trifluoromethyl or methyl; R.sub.5 is tri(lower alkyl)silyl; with the proviso that when R.sub.2 ' is trifluoromethyl, R.sub.2 is hydrogen or methyl;
- optical antipodes or racemates thereof.
- 2. The composition of claim 1 wherein said compound is (5Z,7R,9alpha,11alpha,15S)-7-fluoro-11,15-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-prosta-5-en-1-oic acid.
- 3. The composition of claim 1 wherein said compound is [5Z,7R,9alpha,11alpha,15S]-7,16-difluoro-11,15-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-prosta-5-enoic acid.
Parent Case Info
This is a division, of application Ser. No. 747,740 filed July 24, 1985; now U.S. Pat. No. 4,634,782.
US Referenced Citations (7)
Divisions (1)
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Number |
Date |
Country |
Parent |
747740 |
Jun 1985 |
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