Synthesis of C-linked immobilized analogs of aloisine A by ‘click’ chemistry
作者:Rose Haddoub、David Gueyrard、Peter G. Goekjian
DOI:10.1016/j.tetlet.2008.11.051
日期:2009.2
An efficient approach for the immobilization of a series of analogs of aloisine A, an in vitro inhibitor of protein kinases, to polymeric supports via a [3+2] cycloaddition reaction is reported. (C) 2008 Elsevier Ltd. All rights reserved.
Identification of potential cellular targets of aloisine A by affinity chromatography
Affinity chromatography was used to identify potential cellular targets of aloisine A (7-n-butyl-6-(4'-hydroxyphenyl)-5H-pyrrolo[2,3b]pyrazine), a potent inhibitor of cyclin-dependent kinases. This technique is based on the immobilization of the drug on a solid matrix, followed by identification of specifically bound proteins. To this end, both aloisine A and the protein-kinase inactive control N-methyl aloisine, bearing extended linker chains have been synthesized. We present the preparation of such analogues having the triethylene glycol chain at different positions of the molecule, as well as their immobilization on an agarose-based matrix. Affinity chromatography of various biological extracts on the aloisine matrices allowed the identification of both protein kinases and non-kinase proteins as potential cellular targets of aloisine. (C) 2009 Elsevier Ltd. All rights reserved.
DI-SUBSTITUTED PHENYL COMPOUNDS AS PHOSPHODIESTERASE 10 INHIBITORS
Di-substituted phenyl compounds which are inhibitors of phosphodiesterase 10 are described as are processes, pharmaceutical compositions, pharmaceutical preparations and pharmaceutical use of the compounds in the treatment of mammals, including human(s) for central nervous system (CNS) disorders and other disorders which may affect CNS function. The disclosure also relates to methods for treating neurological, neurodegenerative and psychiatric disorders including but not limited to those comprising cognitive deficits or schizophrenic symptoms.