Importance

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Abstract

The invention relates to the use of derivatives of F-type prostaglandins as ocular hypotensives. The compounds used in accordance with the invention are represented by the following formula I: ##STR1## wherein wavy line attachments indicate either the alpha (.alpha.) or beta (.beta.) configuration; hatched segments indicate a configuration; the solid triangle is used to indicate .beta. configuration; dashed bonds represent a double bond, or a single bond; R is a substituted heteroaryl radical having at least two pendant substituents selected from the group consisting of C.sub.1 to C.sub.6 alkyl; halogen; trifluoromethyl; COR.sup.1 ; COCF.sub.3 ; SO.sub.2 NR.sup.1 ; NO.sub.2 and CN or at least one cyano group; R.sup.1 is hydrogen or a lower alkyl radical having up to six carbon atoms, X is selected from the group consisting of --OR.sup.1 and --N(R.sup.1).sub.2 ; Y is .dbd.O or represents 2 hydrogen radicals and the 9, 11 or 15 lower alkyl esters thereof; provided, however, when said heteroaryl radical is a dichlorothienyl radical, the compound is not a 1-carboxylic add or amide thereof. Certain of the compounds represented by Formula I are novel and comprise another aspect of the present invention.

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First Claim