The invention is concerned with the compounds of formula I:
and pharmaceutically acceptable salts and esters thereof, wherein Q, R1-R3 and n are defined in the detailed description and claims. In addition, the present invention relates to methods of manufacturing and using the compounds of formula I as well as pharmaceutical compositions containing such compounds. The compounds of formula I are antagonists at the CRTH2 receptor and may be useful in treating diseases and disorders associated with that receptor such as asthma.
Design of Trehalose‐Based Amide/Sulfonamide C‐type Lectin Receptor Signaling Compounds
作者:Omer K. Rasheed、Cassandra Buhl、Jay T. Evans、Kendal T. Ryter
DOI:10.1002/cmdc.202000775
日期:2021.4.20
Mycobacterium tuberculosis. As an expansion of our previous work, a library of 6,6′‐amide and sulfonamide α,α‐d‐trehalosecompounds with various substituents on the aromatic ring was synthesized efficiently in good to excellent yields. These compounds were evaluated for their ability to activate the human C‐typelectinreceptor Mincle by the induction of cytokines from human peripheral blood mononuclear cells
The invention is concerned with the compounds of formula I:
and pharmaceutically acceptable salts and esters thereof, wherein R
1
, R
2
and R
3
are defined in the detailed description and claims. In addition, the present invention relates to methods of manufacturing and using the compounds of formula I as well as pharmaceutical compositions containing such compounds. The compounds of formula I are antagonists at the CRTH2 receptor and may be useful in treating diseases and disorders associated with that receptor such as asthma.
α-Amino Acid Derivatives by Enantioselective Decarboxylation
作者:Henri Brunner、Markus A. Baur
DOI:10.1002/ejoc.200300206
日期:2003.8
The methodology of enantioselective decarboxylation was applied to 2-aminomalonic acidderivatives in order to obtain enantio-enriched amino acidderivatives. Full conversion was achieved stirring racemic N-acetylated 2-aminomalonic hemiesters in THF at 70 °C with 10 mol % of a chiral base for 24 h. The catalyst may be recycled. Whereas the commercially available cinchona alkaloids gave poor results
Enantioselective copper-catalyzed cyclization of γ-alkenylsulfonamides and a δ-alkenylsulfonamide in the presence of a range of vinyl arenes results in variously functionalized 2-substituted chiral nitrogen heterocycles via a formal alkene C-H functionalization process. Application of this reaction to the concise synthesis of a 5-HT(7) receptor antagonist is demonstrated.