Palladium Catalyzed C–I and Vicinal C–H Dual Activation of Diaryliodonium Salts for Diarylation: Synthesis of 4,5-Benzocoumarins
摘要:
With a strategy that makes use of palladium activation of both C-I and vicinal C-H bonds of diaryliodonium salts, an unprecedented approach in diarylation of coumarins was reported. As such, a wide range of 4,5-benzocoumarins with potential fluorescence properties have been synthesized in good yields. A series of experiments suggested that the formation of two carbon-carbon bonds proceeded in a synergetic manner.
Structure−Activity Relationship and Molecular Mechanisms of Ethyl 2-Amino-4-(2-ethoxy-2-oxoethyl)-6-phenyl-4<i>H</i>-chromene-3-carboxylate (sHA 14-1) and Its Analogues
作者:Sonia G. Das、Jignesh M. Doshi、Defeng Tian、Sadiya N. Addo、Balasubramanian Srinivasan、David L. Hermanson、Chengguo Xing
DOI:10.1021/jm9005059
日期:2009.10.8
excitingly, our studies of 5q in camptothecin (CCRF-CEM/C2) and mitoxantrone (HL-60/MX2) resistant cancer cells highlight its ability to selectively kill drug-resistant cells over parent cancer cells. 5q inhibits tumor cell growth through the induction of apoptosis, with detailed mechanism of its selectivity toward drug-resistant cancer cells under investigation. These results suggest that 5q is a promising
A New Gold-Catalyzed Domino Cyclization and Oxidative Coupling Reaction
作者:Hermann A. Wegner、Sebastian Ahles、Markus Neuburger
DOI:10.1002/chem.200801848
日期:——
METHOD FOR PRODUCING POLYDIENES AND POLYDIENE COPOLYMERS WITH REDUCED COLD FLOW
申请人:Bridgestone Corporation
公开号:US20140187725A1
公开(公告)日:2014-07-03
A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with coumarin or a substituted coumarin compound.
AMINOPYRIMIDINE INHIBITORS OF TYROSINE KINASE
申请人:Auspex Pharmaceuticals, Inc.
公开号:US20140227260A1
公开(公告)日:2014-08-14
The present invention relates to new aminopyrimidine inhibitors of tyrosine kinase activity, pharmaceutical compositions thereof, and methods of use thereof.