17664-93-6Relevant articles and documents
Endothelin antagonists
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, (2008/06/13)
A compound of the formula (I): or a pharmaceutically acceptable salt thereof is disclosed, as well as processes for and intermediates in the preparation thereof, and a method of antagonizing endothelin.
Analgesic compounds
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, (2008/06/13)
Compounds of the formula STR1 and pharmaceutically acceptable non-toxic acid addition salts thereof, in which L and D, when applicable, define the chirality; R1 is hydrogen, C1 -C3 primary alkyl, or allyl; R2 is hydrogen or C1 -C3 primary alkyl, subject to the limitation that when R1 is allyl, R2 is hydrogen; R3 is hydrogen or C1 -C3 primary alkyl; R4 is C1 -C4 primary or secondary alkyl; R5 is hydrogen or C1 -C4 primary or secondary alkyl; R6 is hydrogen or C1 -C3 primary alkyl; R7 is hydrogen or C1 -C3 primary alkyl; Y is hydrogen or acetyl; Z is hydrogen of STR2 in which R8 is C1 -C3 alkyl or hydrogen; and W is isopropyl, --VR9, or --CH2 --X--CH3, in which V is O or S, R9 is C1 -C4 alkyl or aralkyl, and X is O, S, or --CH2 --, subject to the limitation that, when W is isopropyl, R7 is C1 -C3 primary alkyl; are useful analgesic agents.