METHOD FOR PRODUCING PRECURSORS FOR L-3,4-DIHYDROXY-6- [18F] FLUOROPHENYL ALAINE AND 2- [18F] FLUORO-L-TYROSINE AND THE ALPHA-METHYLATED DERIVATIVES THEREOF, PRECURSOR, AND METHOD FOR PRODUCING L-3, 4DIHYDROXY-6- [18F] FLUOROPHENYLALANINE AND 2- [18F] FLUORO-L-TYROSINE AND THE ALPHA-METHYLATED DERIVATIVES FROM THE PRECURSOR
申请人:Wagner Franziska
公开号:US20100261913A1
公开(公告)日:2010-10-14
Disclosed is a method for producing precursors for L-3,4-dihydroxy-6-[
18
F]fluorophenylalanine and 2-[
18
F]fluoro-L-tyrosine and the α-methylated derivatives thereof, the precursor, and to a method for producing L-3,4-dihydroxy-6-[
18
F]fluorophenylalanine and 2-[
18
F]fluoro-L-tyrosine and the α-methylated derivatives thereof from the precursor. A compound of formula (3) is provided which enables automated synthesis of L-3,4-dihydroxy-6-[
18
F]fluorophenylalanine and 2-[
18
F]fluoro-L-tyrosine. The enantiomeric purity of the product is ≧98%.
There is provided a series of novel substituted gamma-lactams of Formula (I)
or a stereoisomer; or a pharmaceutically acceptable salt thereof, wherein R
1
, R
2
, R
4
, R
5
and R
6
as defined herein, their pharmaceutical compositions and methods of use. These novel compounds inhibit the processing of amyloid precursor protein (APP) by β-secretase and, more specifically, inhibit the production of Aβ-peptide. The present disclosure is directed to compounds useful in the treatment of neurological disorders related to β-amyloid production, such as Alzheimer's disease and other conditions affected by anti-amyloid activity.
[EN] NOVEL GAMMA-LACTAMS AS BETA-SECRETASE INHIBITORS<br/>[FR] NOUVEAUX GAMMA-LACTAMES EN TANT QU'INHIBITEURS DE LA BETA-SECRETASE
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2004013098A1
公开(公告)日:2004-02-12
There is provided a series of novel substituted gamma-lactams of Formula (I) wherein R1, R2, R3, R4 and R5 are defined herein, their pharmaceutical compositions and methods of use. These novel compounds inhibit the processing of amyloid precursor protein (APP) by β-secretase and, more specifically, inhibit the production of aβ-peptide. The present invention is directed to compounds useful in the treatment of neurological disorders related to β-amyloid production, such as Alzheimer's disease and other conditions affected by anti-amyloid activity.
Substituted Tetrahydroisoquinolines as Beta-secretase Inhibitors
申请人:Thompson Lorin A.
公开号:US20080153868A1
公开(公告)日:2008-06-26
There is provided a series of tetrahydroisoquinoline diaminopropane compounds of Formula (I) or a stereoisomer; or a pharmaceutically acceptable salt thereof,
wherein R, R
8
and R
9
are as defined herein, their pharmaceutical compositions and methods of use. These compounds inhibit the processing of amyloid precursor protein (APP) by β-secretase and, more specifically, inhibit the production of Aβ-peptide. The present disclosure is directed to compounds useful in the treatment of neurological disorders related to β-amyloid production, such as Alzheimer's disease and other conditions affected by anti-amyloid activity.
METHOD FOR PRODUCING PRECURSORS FOR L-2- [18F] FLUOROPHENYLALANINE AND 6- [18F] FLUORO-L--META-TYROSINE AND THE ALPHA-METHYLATED DERIVATIVES THEREOF, PRECURSOR, AND METHOD FOR PRODUCING L-2- [18F] FLUOROPHENYLALANINE AND 6- [18F] FLUORO-L-META-TYROSINE AND THE ALPHA-METHYLATED DERIVATIVES FROM THE PRECURSOR
申请人:Wagner Franziska
公开号:US20100256389A1
公开(公告)日:2010-10-07
Disclosed is a method for producing precursors for 2-[
18
F]fluorophenylalanine and 6-[
18
F]fluoro-L-meta-tyrosine and the α-methylated derivatives thereof, to the precursor, and to a method for producing 2-[
18
F]fluorophenylalanine and 6-[
18
F]fluoro-L-meta-tyrosine and the α-methylated derivatives thereof from particular precursor. A compound of formula (3) is provided which enables an automated synthesis of L-3,4-dihydroxy-6-[
18
F]fluorophenylalanine and 6-[
18
F]fluoro-L-meta-tyrosine. The enantiomeric purity of the product is ≧98%.