2-(Arylmethyl)-3-substituted quinuclidines as selective α7 nicotinic receptor ligands
摘要:
A series of 2-(arylmethyl)-3-substituted quinuclidines was developed as alpha 7 neuronal nicotinic acetylcholine receptor (nAChR) agonists based on a putative pharmacophore model. The series is highly selective for the alpha 7 over other nAChRs (e.g., the alpha A beta 2 of the CNS, and the muscle and ganglionic subtypes) and is functionally tunable at alpha 7. One member of the series, (+)-N-(1-azabicyclo[2.2.2]oct-3-yl)benzo[b]furan-2-carboxamide (+)-81), has potent agonistic activity for the alpha 7 nAChR (EC50 = 33 nM, I-max = 1.0), at concentrations below those that result in desensitization. (c) 2005 Elsevier Ltd. All rights reserved.
The design of some novel disubstituted 7,8-dihydro-6H-5,8-ethanopyrido[3,2-d]pyrimidine derivatives is reported. The series was developed from quinuclidinone, which afforded versatile platforms bearing one lactam function in position C-2 that were then used to create C–N or C–C bonds for SNAr or palladium-catalyzed cross-coupling reactions by in situ C–O activation. The reaction conditions were optimized
报道了一些新型二取代的7,8-二氢-6 H -5,8-乙醇吡啶并[3,2- d ]嘧啶衍生物的设计。该系列由奎宁环酮开发而成,它提供了在C -2 位具有一个内酰胺官能团的多功能平台,然后用于通过原位C 为 S N Ar 或钯催化的交叉偶联反应创建 C-N 或 C-C 键–O 激活。在微波辐射下优化反应条件,并使用多种胺或硼酸来确定每种方法的范围和局限性。为了完成这项研究,使用 7,8-二氢-6 H -5,8-ethanopyrido[3,2 -d ]嘧啶衍生物49的 X 射线晶体学数据正式建立了产品的结构。
Mutual Z-/E-isomerization of ferrocenylmethylene- and arylidene-substituted carbo- and heterocycles
作者:Elena I. Klimova、Lena Ruı́z Ramı́rez、Tatiana Klimova、Marcos Martı́nez Garcı́a
DOI:10.1016/s0022-328x(98)00383-0
日期:1998.5
SHESTOPALOV, A. M.;MORTIKOV, V. YU.;SHARANIN, YU. A.;TUROV, A. V.;LITVINO+, ZH. ORGAN. XIMII, 25,(1989) N, S. 1980-1984
作者:SHESTOPALOV, A. M.、MORTIKOV, V. YU.、SHARANIN, YU. A.、TUROV, A. V.、LITVINO+
DOI:——
日期:——
2-(Arylmethyl)-3-substituted quinuclidines as selective α7 nicotinic receptor ligands
作者:Anatoly Mazurov、Jozef Klucik、Lan Miao、Teresa Y. Phillips、Angela Seamans、Jeffrey D. Schmitt、Terry A. Hauser、Raymond T. Johnson、Craig Miller
DOI:10.1016/j.bmcl.2005.02.045
日期:2005.4
A series of 2-(arylmethyl)-3-substituted quinuclidines was developed as alpha 7 neuronal nicotinic acetylcholine receptor (nAChR) agonists based on a putative pharmacophore model. The series is highly selective for the alpha 7 over other nAChRs (e.g., the alpha A beta 2 of the CNS, and the muscle and ganglionic subtypes) and is functionally tunable at alpha 7. One member of the series, (+)-N-(1-azabicyclo[2.2.2]oct-3-yl)benzo[b]furan-2-carboxamide (+)-81), has potent agonistic activity for the alpha 7 nAChR (EC50 = 33 nM, I-max = 1.0), at concentrations below those that result in desensitization. (c) 2005 Elsevier Ltd. All rights reserved.
Synthesis and Pharmacological Evaluation of Novel Pyrazolyl Piperidine Derivatives as Effective Antiplatelet Agents
作者:Jigar Y. Soni、Riyaj S. Tamboli、Rajani Giridhar、Mange Ram Yadav、Sonal Thakore
DOI:10.1002/jhet.2703
日期:2017.3
The synthesis and antiplatelet activity of substituted pyrazolyl piperidinederivatives (3a–n) are described. These compounds were synthesized by an improved ring opening reaction of 2‐arylidene quinuclidinone using hydrazine hydrate under mild conditions. They were characterized and screened for their in vitro antiplatelet profile in human platelet aggregation using adenosine diphosphate as agonist