Ruthenium(II)-Catalyzed Synthesis of Hydroxylated Arenes with Ester as an Effective Directing Group
摘要:
An unprecedented Ru(II) catalyzed ortho-hydroxylation has been developed for the facile synthesis of a variety of multifunctionalized arenes from easily accessible ethyl benzoates with ester as an efficient directing group. Both the TFA/TFAA cosolvent system and oxidants serve as the critical success factors in this transformation. The reaction demonstrates excellent reactivity, good functional group tolerance, and high yields.
[EN] SUBSTITUTED 1, 2, 4- TRIAZOLE DERIVATIVES AS OXYTOCIN ANTAGONISTS [FR] DERIVES DE TRIAZOLE SUBSTITUES UTILISES EN TANT QU'ANTAGONISTES DE L'OXYTOCINE
[EN] PHENYL-[4-(3-PHENYL-1H-PYRAZOL-4-YL)-PYRIMIDIN-2-Yl)-AMINE DERIVATIVES<br/>[FR] DERIVES DE PHENYL-[4-(3-PHENYL-1H-PYRAZOL-4-YL)-PYRIMIDIN-2-YL)-AMINE
申请人:NOVARTIS AG
公开号:WO2004005282A1
公开(公告)日:2004-01-15
The invention relates to phenyl-[4-(3-phenyl-1H-pyrazol-4-yl)-pyrimidin-2-yl)-amine derivatives and to processes for the preparation thereof, to pharmaceutical compositions comprising such derivatives and to the use of such derivatives - alone or in combination with one or more other pharmaceutically active compounds - for the preparation of pharmaceutical compositions for the treatment especially of a proliferative disease, such as a tumour.
The invention relates to phenyl-[4-(3-phenyl-1H-pyrazol-4-yl)-pyrimidin-2-yl]-amine derivatives and to processes for the preparation thereof, to pharmaceutical compositions comprising such derivatives and to the use of such derivatives—alone or in combination with one or more other pharmaceutically active compounds—for the preparation of pharmaceutical compositions for the treatment especially of a proliferative disease, such as a tumour.
Compounds, Compositions, and Methods For Modulating Ferroptosis and Treating Excitotoxic Disorders
申请人:The Trustees of Columbia University in the City of New York
公开号:US20150079035A1
公开(公告)日:2015-03-19
The present invention provides, inter alia, a compound having the structure: (Formula (I). Also provided are compositions containing a pharmaceutically acceptable carrier and a compound according to the present invention. Further provided are methods for treating or ameliorating the effects of an excitotoxic disorder in a subject, methods of modulating ferroptosis in a subject, methods of reducing reactive oxygen species (ROS) in a cell, and methods for treating or ameliorating the effects of a neurodegenerative disease.
Protodemetalation of (Bipyridyl)Ni(II)–Aryl Complexes Shows Evidence for Five-, Six-, and Seven-Membered Cyclic Pathways
作者:Paige E. Piszel、Brandon J. Orzolek、Alyssa K. Olszewski、Madeline E. Rotella、Amanda M. Spiewak、Marisa C. Kozlowski、Daniel J. Weix
DOI:10.1021/jacs.3c00618
日期:——
protodemetalation (PDM) of a suite of arylnickel(II) complexes with various acids that provide evidence for a concerted, cyclic transition state for the PDM of C–Ni bonds and demonstrate that five-, six-, and seven-membered transition states are particularly favorable. Our data show that while the rate of protodemetalation of arylnickel(II) complexes scales with acidity for many acids, several are faster