ApplicationNo. 05/475479 filed on 06/03/1974
US Classes:549/333, Plural ring oxygens in a spiro hetero ring514/825, ARTHRITIS549/13, The hetero ring is six-membered549/22, Chalcogen or nitrogen attached indirectly to the hetero ring by nonionic bonding549/30, Plural ring hetero atoms in the hetero ring549/342, Acyclic -C(=X)-, wherein X is chalcogen, containing549/39, Chalcogen attached indirectly to the hetero ring by nonionic bonding560/121, Cyclopentyl in acid moiety (e.g., prostaglandins, etc.)560/122, Cyclopentyl-COOR, -C-COOR or -C-C-COOR560/231, Unsubstituted acids of the acetic series560/252, Polyoxy alcohol moiety562/465, Oxy562/503Cyclopentyl (e.g., prostoglandins, etc.)
ExaminersPrimary: Raymond, Richard L.
Attorney, Agent or Firm
International ClassesC07C 405/00 (20060101)
C07C 43/12 (20060101)
C07C 43/00 (20060101)
AbstractThis disclosure describes novel 11-deoxy-13,14-dihydro-prostaglandin-9-ketals useful as bronchodilators and as gastric acid secretion inhibitors.