Aza spiro compounds acting on the cholinergic system with muscarinic
申请人:Israel Institute for Biological Research
公开号:US05852029A1
公开(公告)日:1998-12-22
Compounds useful for treating diseases of the central or peripheral nervous system in mammals have formulae I-XII ##STR1## wherein ring A or A' together with the spiro-carbon atom constitutes a bridged or unbridged ring containing one or two ring nitrogen atoms; and the other symbols have specified values, subject to certain conditions.
The invention relates to a compound of formula (I)
wherein A
1
and R
1
to R
5
are defined as in the description and in the claims. The compound of formula (I) can be used as a medicament.
Compounds useful as reversible inhibitors of cysteine proteases
申请人:——
公开号:US20020058809A1
公开(公告)日:2002-05-16
Disclosed are novel cathepsin S, K, F, L and B reversible inhibitory compounds of the formulas (I), (II), (Ia) and (Ib) further defined herein. The compounds are useful for treating autoimmune diseases. Also disclosed are processes for making such novel compounds.
1
Novel succinate derivative compounds useful as cysteine protease inhibitors
申请人:——
公开号:US20010041700A1
公开(公告)日:2001-11-15
Disclosed are novel succinate derivative compounds of the formula (I)/(Ia):
1
wherein R1, R2, R3, R4, R5, R6, R7, X and A are defined herein. The compounds are useful as inhibitors of cysteine proteases. Also disclosed are methods of using and methods of making such compounds.
phases of drug discovery. Bis-spirocyclic frameworks occur in natural products and other biologically relevant metabolites and show attractive features, such as molecular compactness, structural complexity, and three-dimensional character. A concise approach to the synthesis of bis-spirocyclic-based compoundlibraries starting from readily available commercial reagents and robust chemical transformations