PROBLEM TO BE SOLVED: To obtain an ocular hypotensive and a smooth muscle relaxant.
SOLUTION: This invention relates to a cyclopentane heptanoic acid substituted in the 1-position with a halo, methyl, hydroxyl, nitro, amino, amido, azido, oxime, cyano, thiol, ether or thioether group, e.g., 1-OH cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives. The cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives of this invention are potent ocular hypotensives, and are particularly suitable for the management of glaucoma. Moreover, the cyclopentane heptanoic, 2-(cycloalkyl or arylalkyl) derivatives of this invention are smooth muscle relaxants with broad application in systemic hypertensive and pulmonary diseases; smooth muscle relaxants applicable to gastrointestinal disease, reproduction, fertility, incontinence, shock, or the like.
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