Pd doped SiO<sub>2</sub> nanoparticles: an efficient recyclable catalyst for Suzuki, Heck and Sonogashira reactions
作者:Deepali A. Kotadia、Urmila H. Patel、Sahaj Gandhi、Saurabh S. Soni
DOI:10.1039/c4ra01813c
日期:——
doped silica (Pd/SiO2) mesoporous material was synthesized via the sol–gel route using the P123 triblock copolymer as a structure directing agent. Pd/SiO2 was efficiently used as a catalyst for Suzuki, Heck and Sonogashira reactionsundermicrowaveirradiation. The catalyst exhibited high activity for all the couplingreactions and can be recycled nine times without a significant loss in its catalytic activity
The invention relates to methods and products for enhancing and improving recovery of lost memories. In particular the methods are accomplished by inhibiting HDAC2 and or selectively inhibiting HDAC1/2 or HDAC1/2/3.
[EN] INHIBITION OF HDAC2 TO PROMOTE MEMORY<br/>[FR] INHIBITION DE HDAC2 POUR FAVORISER LA MÉMOIRE
申请人:MASSACHUSETTS INST TECHNOLOGY
公开号:WO2010065117A1
公开(公告)日:2010-06-10
The invention relates to methods and products for enhancing and improving recovery of lost memories. In particular the methods are accomplished by inhibiting HDAC2 and or selectively inhibiting HDACl/2 or HDACl/2/3.
Tridentate SCS Palladium(II) Complexes: New, Highly Stable, Recyclable Catalysts for the Heck Reaction
作者:David E. Bergbreiter、Philip L. Osburn、Yun-Shan Liu
DOI:10.1021/ja991099g
日期:1999.10.1
A new pincer-type SCS ligand containing Pd(II) is a simple, robust catalyst for Heck chemistry using a variety of alkene acceptors and aryl iodides. It is less active with aryl bromides. While certain palladium(II) species insert slowly into the aryl C−H bond of an unsubstituted version of this ligand, the introduction of activating groups into the 5 position of the aromatic ring readily allows quantitative