Ruthenium‐ and silver‐catalyzed selective C–Halkenylations, thiolations and selenylations of phenazone (antipyrine) – a non‐steroidal anti‐inflammatory drug – have been developed. This method features ample substrate scope, affording typically the mono‐ortho alkenylated, thiolated and selenylated products in good yields with complete site selectivity control. This strategy offers an efficient protocol
Pyrazolone methylamino piperidine derivatives as novel CCR3 antagonists
作者:Cécile Pégurier、Philippe Collart、Pierre Danhaive、Sabine Defays、Michel Gillard、Frédéric Gilson、Thierry Kogej、Patrick Pasau、Nathalie Van Houtvin、Marc Van Thuyne、BerendJan van Keulen
DOI:10.1016/j.bmcl.2007.05.035
日期:2007.8
The discovery and optimization of a novel class of potent CCR3 antagonists is described. Details of synthesis and SAR are given together with some ADME properties of selected compounds. An optimal balance between activities, physicochemical properties, and in vitro metabolic stability was reached by the proper choice of substituents. (c) 2007 Elsevier Ltd. All rights reserved.
Michaelis, Justus Liebigs Annalen der Chemie, 1911, vol. 378, p. 319
作者:Michaelis
DOI:——
日期:——
XISAEH, NOBUO;TANAKA, TATSUXIKO;MUROGA, SINDZI
作者:XISAEH, NOBUO、TANAKA, TATSUXIKO、MUROGA, SINDZI
DOI:——
日期:——
Room-Temperature Direct Alkenylation of 5-Pyrazolones
作者:Yiwen Yang、Hao Gong、Chunxiang Kuang
DOI:10.1002/ejoc.201300765
日期:2013.8
A mild and efficient method for the directalkenylation of 5-pyrazoles by Pd-catalyzed C–H bond activation is described. The reaction smoothly proceeds at room temperature to provide products in up to 92 % yield.