Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Magnetic imaging agent
Patent
1992-01-30
1993-10-26
Raymond, Richard L.
Drug, bio-affecting and body treating compositions
In vivo diagnosis or in vivo testing
Magnetic imaging agent
514261, 514262, 514263, 514264, 514266, A61K 3152
Patent
active
052563987
ABSTRACT:
A method and composition of determining the viability of tissue in a region of an organism having a vascular circulatory system that supplies blood to said region is disclosed. The composition includes the combination of adenosine or an adenosine antagonist in combination with an A.sub.1 adenosine receptor which may be: ##STR1## wherein R.sub.1 is hydrogen or R.sub.2 ; R.sub.2 is selected from the group consisting of endo-2-norbornyl or cyclopentyl; R.sub.3 is selected from the group consisting of hydrogen, halogen, amine, carboxy, alkyl radicals having 1 to 10 carbon atoms, cycloalkyl radicals having from 3 to 8 ring carbon atoms, thio sulfonate, sulfonamide, sulfone, sulfoxamide, phenyl, alkyl-substituted amine, and cycloalkyl substituted amine; R.sub.4 is selected from the group consisting of benzyl, phenyl, alkyl groups comprising from 1 to 4 carbon atoms, wherein said alkyl group can be substituted with oxygen, for instance ethers and alcohols; and R.sub.5 is selected from the group consisting of hydrogen, hydroxy, sulfonate, halogen, alkoxy and cycloalkoxy groups comprising 1 to 6 carbon atoms.
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Belardinelli Luiz
McAfee Donald A.
Hammond Richard J.
Raymond Richard L.
Whitby Research, Inc.
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