[EN] BICYCLIC PYRIMIDIN-4-(3H)-ONES AND ANALOGUES AND DERIVATIVES THEREOF WHICH MODULATE THE FUNCTION OF THE VANILLOID-1 RECEPTOR (VR1) [FR] PYRIMIDINE-4-(3H)-ONES BICYCLIQUES, LEURS ANALOGUES ET DERIVES MODULANT LA FONCTION DU RECEPTEUR DE VANILLOIDE-1 (VR1)
[EN] BICYCLIC PYRIMIDIN-4-(3H)-ONES AND ANALOGUES AND DERIVATIVES THEREOF WHICH MODULATE THE FUNCTION OF THE VANILLOID-1 RECEPTOR (VR1) [FR] PYRIMIDINE-4-(3H)-ONES BICYCLIQUES, LEURS ANALOGUES ET DERIVES MODULANT LA FONCTION DU RECEPTEUR DE VANILLOIDE-1 (VR1)
Bicyclic pyrimidin-4(3h)-ones and analogues and derivatives thereof which modulate the function of the vanilloid-1-receptor(vr1)
申请人:Bayliss Tracy
公开号:US20070135454A1
公开(公告)日:2007-06-14
Compounds of formula (I); which are useful as therapeutic compounds, particularly in the treatment of pain and other conditions ameliorated by the modulation of the function of the vanilloid-1 receptor (VR1).
Ligand-Enabled C–H Hydroxylation with Aqueous H<sub>2</sub>O<sub>2</sub> at Room Temperature
作者:Zhen Li、Han Seul Park、Jennifer X. Qiao、Kap-Sun Yeung、Jin-Quan Yu
DOI:10.1021/jacs.2c08332
日期:2022.10.5
carboxyl-pyridone (CarboxPyridone) ligand that enables room-temperature Pd-catalyzed C–H hydroxylation of a broad range of benzoic and phenylacetic acids with an industry-compatible oxidant, aqueous hydrogenperoxide (35% H2O2). The scalability of this methodology is demonstrated by a 1000 mmol scale reaction of ibuprofen (206 g) using only a 1 mol % Pd catalyst loading. The utility of this protocol is further
随着过去十年中大量Pd(II)催化的天然底物C-H活化反应的发展,开发能够在安全实用的条件下使用绿色氧化剂的催化剂已成为一个日益重要的挑战。值得注意的是,Pd(II) 催化剂与可持续含水 H 2 O 2的相容性一直是包括瓦克型氧化在内的催化领域的长期挑战。我们在此报道了一种双功能双齿羧基吡啶酮 (CarboxPyridone) 配体,该配体能够使用工业兼容的氧化剂过氧化氢水溶液 (35% H 2 O)在室温下 Pd 催化的各种苯甲酸和苯乙酸的 C-H 羟基化反应。2)。仅使用 1 mol% Pd 催化剂负载的布洛芬 (206 g) 的 1000 mmol 规模反应证明了该方法的可扩展性。通过产品的衍生化以及从使用该方法制备的苯酚中间体合成多氟天然产物古美斯坦和紫檀烯,进一步说明了该协议的实用性。
LIGAND-ENABLED SCALABLE C-H HYDROXYLATION OF BENZOIC AND PHENYLACETIC ACIDS AT ROOM TEMPERATURE
申请人:[en]THE SCRIPPS RESEARCH INSTITUTE
公开号:WO2024054881A1
公开(公告)日:2024-03-14
The application discloses industry scalable methods of using bifunctional bidentate pyridone-carboxylic acid ligands, such as 2-methyl-2-(6-oxo-1,6-dihydropyridin-2-yl)propanoic acid, that enable room-temperature Pd-catalyzed C-H hydroxylation of a broad range of benzoic and phenylacetic acids with an industry-compatible oxidant, aqueous hydrogen peroxide, at room temperature. Further disclosed are methods of derivatization of the resulting hydroxylation products, synthesis of polyfluorinated natural products coumestan or pterocarpene from phenol building blocks, and hydroxylation of ibuprofen using this methodology,
BICYCLIC PYRIMIDIN-4-(3H)-ONES AND ANALOGUES AND DERIVATIVES THEREOF WHICH MODULATE THE FUNCTION OF THE VANILLOID-1 RECEPTOR (VR1)
申请人:MERCK SHARP & DOHME LTD.
公开号:EP1687306A1
公开(公告)日:2006-08-09
[EN] BICYCLIC PYRIMIDIN-4-(3H)-ONES AND ANALOGUES AND DERIVATIVES THEREOF WHICH MODULATE THE FUNCTION OF THE VANILLOID-1 RECEPTOR (VR1)<br/>[FR] PYRIMIDINE-4-(3H)-ONES BICYCLIQUES, LEURS ANALOGUES ET DERIVES MODULANT LA FONCTION DU RECEPTEUR DE VANILLOIDE-1 (VR1)
申请人:MERCK SHARP & DOHME
公开号:WO2005049613A1
公开(公告)日:2005-06-02
Compounds of formula (I); which are useful as therapeutic compounds, particularly in the treatment of pain and other conditions ameliorated by the modulation of the function of the vanilloid-1 receptor (VR1).