Azido derivatives of cyclopentane heptanoic or heptenoic acid

Abrasive tool making process – material – or composition

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552 10, 552 12, C07C24712, A61K 31557

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active

053327306

ABSTRACT:
The present invention provides novel 2-aliphatic or arylaliphatic cyclopentane heptanoic and heptenoic acid derivatives including at least one azido substituent. In particular 2-aliphatic or arylaliphatic cyclopentane heptenyloic and cyclopentane heptanoic acids and esters thereof, substituted at the 3 and/or 5 position of the cyclopentane ring with radicals selected from the group consisting of hydroxy, azido and mixtures thereof, are disclosed. These azido compounds are useful as ocular hypotensives and are intermediates for the preparation of other compounds useful as ocular hypotensives.

REFERENCES:
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patent: 4994274 (1991-02-01), Chan et al.
patent: 5034413 (1991-07-01), Chan et al.
Starr, Michael S., "Further Studies on the Effect of Prostaglandin on Intraocular Pressure in the Rabbit:", Exp. Eye Res. 1971, 11, pp. 170-177.
Bito, L. Z., "Prostaglandins and Related Compounds as Potential Ocular Therapeutic Agents":, Biological Protection with Prostaglandins, Cohen, M. M., ed. Boca Ratan, Fla., CRC Press Inc., 1985, pp. 231-252.
Bito, L. Z., "Prostaglandins, Other Eicosanoids, and Their Derivatives as Potential Antiglaucoma Agents", Applied Pharmacology in the Medical Treatment of Glaucomas Drance, S. M. and Neufeld, A. H. eds., New York, Grune & Stratton, 1984, pp. 477-505.
Nilsson, et al., "PGF2a Increases Uveoscleral Outflow", Invest. Ophthalmol. Vis. Sci. 28 (suppl), 284, 1987.
Bito, L. Z., "Prostaglandins, Old Concepts and New Perspectives", Arch. Ophthalmol, 105, 1036, 1987.
Siebold, et al., "Esterified prostaglandin shows `potent` promise", Prodrug 5, 3, 1989.

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