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BACKGROUND OF THE INVENTION
Numerous agents, such as diarrheogenic prostaglandins, various parasitic oranisms, and toxins produced by microbial agents, are known in the art to have a recognized diarrheogenic potential in mammals. One measure of the potential for the induction of diarrhea for a given
BACKGROUND OF THE INVENTION
U.S. Pat. Nos. 3,965,143; 4,087,621; 4,060,691 and 4,322,543 extensively disclose 16 alkyl, 16 hydroxy prostaglandins. Compounds of the present invention structurally differ from the prior art compounds by substitution at the 2 position. For example, the prior art
BACKGROUND OF THE INVENTION
This invention relates to prostaglandin antagonists useful in treating a variety of conditions, such as allergic asthma where excessive contractile activity of prostaglandins and prostaglandin biosynthetic intermediates occur.
These compounds antagonize the actions of
BACKGROUND OF THE INVENTION
This invention relates to prostaglandin antagonists useful in treating a variety of conditions, such as allergic asthma where excessive contractile activity of prostaglandins and prostaglandin biosynthetic intermediates occur.
These compounds antagonize the actions of
SUMMARY OF THE INVENTION
This invention relates to prostaglandin antagonists useful in treating a variety of conditions, such as allergic asthma where excessive contractile activity of prostaglandins and prostaglandin biosynthetic intermediates occur.
These compounds antagonize the actions of
BACKGROUND OF THE INVENTION
This invention relates to prostaglandin antagonists useful in treating a variety of conditions, such as allergic asthma where excessive contractile activity of prostaglandins and prostaglandin biosynthetic intermediates occur.
These compounds antagonize the actions of
DESCRIPTION OF THE INVENTION
The present invention relates to novel compounds of Formula I: ##STR1## wherein: A is --(CR.sup.9 R.sup.10).sub.r R.sup.11 ;
R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each independently selected from:
(1) hydrogen;
(2) alkyl having 1 to 6 carbon
BACKGROUND OF THE INVENTION
This invention relates to prostaglandin antagonists useful in treating a variety of conditions, such as allergic asthma where excessive contractile activity of prostaglandins and prostaglandin biosynthetic intermediates occur.
These compounds antagonize the actions of
BACKGROUND OF THE INVENTION
This invention relates to prostaglandin antagonists useful in treating a variety of conditions, such as allergic asthma where excessive contractile activity of prostaglandins and prostaglandin biosynthetic intermediates occur.
These compounds antagonize the actions of
DESCRIPTION OF THE INVENTION
The present invention relates to novel compounds of Formula I: ##STR1## wherein:
A is --(CR.sup.9 R.sup.10).sub.r R.sup.11 ; R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each independently selected from:
(1) hydrogen;
(2) alkyl having 1 to 6 carbon