13, 14 Dehydro PGF.sub.3 compounds

13,14-Didehydro-PG analogs

13,14-Didehydro-PG.sub.3 compounds

13,14-Didehydro-PGA.sub.1 compounds

13,14-Didehydro-PGF, compounds

13,14-Dihydro-15-substituted-.omega.-pentanorprostaglandins

13,14-Dihydro-15-substituted-.omega.-pentanorprostaglandins of t

13,14-Dihydro-16-fluoro prostaglandin A.sub.1 analogs

13,14-Dihydro-16-fluoro prostaglandin B.sub.1 analogs

13,14-Dihydro-16-fluoro prostaglandin E.sub.1 analogs

13,14-Dihydro-16-fluoro prostaglandin F.sub.1

13,14-Dihydro-16-phenoxy prostaglandin E.sub.1 analogs

13,14-Dihydro-16-phenoxy prostaglandin F.sub.1.alpha. analogs

13,14-Dihydro-9-deoxy-PGF.sub.2 compounds

13,14-Dihydro-9.beta.-PGD.sub.2 compounds

13,14-Dihydro-9.beta.-RGD, compounds

13,14-Dihydro-PGD.sub.1, analogs

13,14-Dihydro-PGD.sub.2 compounds

13,15-Dioxabicyclo[10.5.0]heptadecanes, their preparation, and t

13-Alkylthio (and arylthio)-11,17-epoxy-17-methyl-18-norandroste