Inhibitors of VEGF receptor and HGF receptor signaling
申请人:Saavedra Mario Oscar
公开号:US20070004675A1
公开(公告)日:2007-01-04
The invention relates to the inhibition of VEGF receptor signaling and HGF receptor signaling. The invention provides compounds and methods for inhibiting VEGF receptor signaling and HGF receptor signaling. The invention also provides compositions and methods for treating cell proliferative diseases and conditions
This invention relates to compounds that inhibit protein tyrosine kinase activity. In particular the invention relates to compounds that inhibit the protein tyrosine kinase activity of growth factor receptors, resulting in the inhibition of receptor signaling, for example, the inhibition of VEGF receptor signaling and HGF receptor signaling. More particularly, the invention relates to compounds, compositions and methods for the inhibition of VEGF receptor signaling and HGF receptor signaling. The invention also provides compositions and methods for treating cell proliferative diseases and conditions.
The invention relates to compounds of formula (I):
where A is an optionally substituted heteroaryl, useful for treating disorders mediated by acyl coA-diacylglycerol acyl transferase 1 (DGAT1), e.g. metabolic disorders. The invention also provides methods of treating such disorders, and compounds and compositions etc. for their treatment.
Convenient Synthesis of .ALPHA.-Trifluoromethylated Acyloins from .ALPHA.-Hydroxy or .ALPHA.-Amino Acids.
作者:Masami KAWASE、Setsuo SAITO、Teruo KURIHARA
DOI:10.1248/cpb.48.1338
日期:——
acyloins (2 and 6) have been prepared from alpha-hydroxy acids (1), N-acylprolines (5) or N-acyl-N-alkyl alpha-amino acids (8) by novel transformation reactions with trifluoroacetic anhydride (TFAA) in the presence of pyridine. The former reaction of 1 could proceed through mesoionic 1,3-dioxolium-4-olates, whereas the latter two reactions of alpha-amino acids (5 and 8) could involve mesoionic 1,3-oxazolium-5-olates
Unusual reactions of secondary amino acids with trifluoroacetic anhydride: A novel access to α-trifluoromethylated acyloins
作者:Masami Kawase
DOI:10.1016/0040-4039(94)88187-1
日期:1994.1
A new fragmentation reaction of secondary α-amino acids with trifluoroaceticanhydride under Dakin-West reaction conditions proceeds through oxazolium salt intermediates followed by ring cleavage to form α-trifluoromethylated acyloins in good yields.