8-苄基取代的四氢吡嗪并[ 2,1 - f ]嘌呤二酮被设计为在四氢吡嗪环中包含碱性氮原子的三环黄嘌呤衍生物,以提高水溶性。制备了69种衍生物的文库,并在放射性配体结合研究中评估了腺苷受体(AR)亚型及其抑制单胺氧化酶(MAO)的能力。确定了有效的双靶标定向A 1 / A 2A腺苷受体拮抗剂。几种化合物显示出三重靶标抑制作用。最好的化合物之一是8-(2,4-二氯-5-氟苄基)-1,3-二甲基-6,7,8,9-四氢吡嗪并[2,1 - f ]嘌呤-2,4(1 H,3 H)-dione(72)(人类AR:K i A 1 217 n M,A 2A 233 n M;IC 50 MAO-B:508 n M)。二氯化化合物36 [8-(3,4-二氯苄基)-1,3-二甲基-6,7,8,9-四氢吡嗪并[2,1 - f ]嘌呤-2,4(1 H,3 H)-二酮]被认为是大鼠中最佳的三靶标药物(K i A 1
SUBSTITUTED PTERIDINES FOR THE TREATMENT AND PREVENTION OF VIRAL INFECTIONS
申请人:Herdewijn Piet André Maurits Maria
公开号:US20090318456A1
公开(公告)日:2009-12-24
Tri-substituted pteridines and tetra-substituted pteridines exhibit a significant and selective activity against certain types of viral infections, in particular they selectively inhibit the replication of the hepatitis C virus, and are useful for the prevention and treatment of such infections.
SUBSTITUTED PYRIDO(3,2-D) PYRIMIDINES AND PHARMACEUTICAL COMPOSITIONS FOR TREATING VIRAL INFECTIONS
申请人:Herdewijn Piet Andre' Maurits Maria
公开号:US20090253696A1
公开(公告)日:2009-10-08
This invention provides di-, tri- and tetra-substituted pyrido(3,2-d)pyrimidine derivatives with specific substituting patterns, their pharmaceutically acceptable salts, N-oxides, solvates, pro-drugs and enantiomers, possessing unexpectedly desirable pharmaceutical properties, in particular being highly active antiviral agents. The invention also provides use of such derivatives in the treatment of viral infections and pathologic conditions associated therewith, including hepatitis C.
4,6-DI- AND 2,4,6-TRISUBSTITUTED QUINAZOLINE DERIVATIVES USEFUL FOR TREATING VIRAL INFECTIONS
申请人:Gao Ling-Jie
公开号:US20090285782A1
公开(公告)日:2009-11-19
This invention provides quinazoline derivatives represented by the structural formula: (I); wherein: R
2
is hydrogen, NR′R″, C
1-7
alkyl, arylC
1-7
alkyl or C
3-10
cycloalkyl; R
4
is amino, C
1-7
alkyl, C
2-7
alkenyl, C
3-10
cycloalkyl, C
3-10
cycloalkenyl, aryl, heterocyclic, arylalkyl, heterocyclic-substituted C
1-7
alkyl or C
3-10
cycloalkyl-C
1-7
alkyl; R
5
is hydrogen or C
1-7
alkyl, or R
5
and R
4
together with the nitrogen atom to which they are attached form a heterocyclic ring; Y is a single bond, C
1-7
alkylene, C
2-7
alkenylene or C
2-7
alkynylene; R
6
is halogen, heteroaryl or aryl; R′ and R″ are each independently hydrogen, C
1-7
alkyl-carbonyl or C
1-7
alkyl; provided that R
4
is not phenyl substituted with morpholino when R
2
is H and R
5
is H, and provided that when NR
4
R
5
is piperazinyl, said NR
4
R
5
is either non-substituted or substituted with methyl or acetyl; a pharmaceutically acceptable addition salt, a stereoisomer, a mono- or a di-N-oxide, a solvate or a pro-drug thereof, for the treatment of viral infections.
The present invention relates to novel phthalazine derivatives and, more particularly, to phthalazine derivatives that are useful as protein kinase inhibitors. The invention also relates to methods of preparing the compounds, compositions containing the compounds, and methods of treatment using the compounds.
A method for producing a biaryl compound, comprising reacting an aromatic organic compound with at least one compound selected from the group consisting of aromatic organoboron compounds and boroxine compounds, in the presence of a zero-valent nickel catalyst, phosphine ligand and base.