IrIII metallacycle rapidly and selectively catalyses the reduction of various esters, carboxylic acids, ketones, and aldehydes. The reactions proceed in high yields at room temperature by hydrosilylation followed by desilylation. Depending on the substrate, esters are reduced to alcohols or ethers and carboxylic acids to alcohols or aldehydes.
Ferric perchlorate as an efficient and useful catalyst for the selective benzylation and methylation of alcohols with benzyl chloride and methyl iodide
作者:Farahnaz K. Behbahani、Majid M. Heravi、Hossien A. Oskooie
DOI:10.1007/s00706-008-0054-x
日期:2009.2
selective benzylation and methylation of hydroxyl compounds in the presence of a catalytic amount of ferric perchlorate. We showed that ferric perchlorate was very effective in selectively promoting the benzylation and methylation of primary aliphatic and benzylic alcohols versus secondary aliphatic alcohols and phenolic hydroxy groups. Graphical abstract
The present invention relates to compounds that are inhibitors of c-jun N-terminal kinase 1, 2, or 3 (JNK1, JNK2, or JNK3), compositions containing the compounds and the use of the compounds in the prevention or treatment of disorders regulated by the activation of JNK1, JNK2 and JNK3.
NAPHTHYRIDINONE ANALOGS AS MGLUR5 POSITIVE ALLOSTERIC MODULATORS
申请人:Conn P. Jeffrey
公开号:US20120172391A1
公开(公告)日:2012-07-05
In one aspect, the invention relates to naphthyridinone analogs, derivatives thereof, and related compounds, which are useful as positive allosteric modulators of the metabotropic glutamate receptor subtype 5 (mGluR5); synthetic methods for making the compounds; pharmaceutical compositions comprising the compounds; and methods of treating neurological and psychiatric disorders associated with glutamate dysfunction using the compounds and compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
Herein we report that a single frustratedLewispair (FLP) catalyst can promote the reductive etherification of aldehydes and ketones. The reaction does not require an exogenous acid catalyst, but the combined action of FLP on H2, R‐OH or H2O generates the required Brønsted acid in a reversible, “turn on” manner. The method is not only a complementary metal‐free reductive etherification, but also a niche