Palladium-Catalyzed Methylation of Alkynyl C(sp)–H Bonds with Dimethyl Sulfonium Ylides
摘要:
A novel palladium-catalyzed methylation protocol for the synthesis of methyl-functionalized internal alkynes has been established. This methylation method is achieved through a C(sp)-C(sp(3)) bond formation process and represents a new synthetic application of sulfonium ylides.
The present invention relates to Map4K1 inhibitors of formula (I) to pharmaceutical compositions and combinations comprising the compounds according to the invention, and to the prophylactic and therapeutic use of the inventive compounds, respectively to the use of said compounds for manufacturing pharmaceutical compositions for the treatment or prophylaxis of diseases, in particular for neoplastic disorders, repectively cancer or conditions with dysregulated immune responses or other disorders associated with aberrant MAP4K1 signaling, as a sole agent or in combination with other active ingredients. The present invention further relates to the use, respectively to the use of said compounds for manufacturing pharmaceutical compositions for the treatment or prophylaxis of protein inhibitors in benign hyperplasias, atherosclerotic disorders, sepsis, autoimmune disorders, vascular disorders, viral infections, in neurodegenerative disorders, in inflammatory disorders, in atherosclerotic disorders and in male fertility control.
Cobaltcomplex/Zn systems effectively catalyze the reductive coupling of activated alkenes with alkynes in the presence of water to give substituted alkenes with very high regio- and stereoselectivity in excellent yields. While the intermolecular reaction of acrylates, acrylonitriles, and vinyl sulfones with alkynes takes place in the presence of CoI2(PPh3)2/Zn, the reaction of enones and enals with
[EN] SUBSTITUTED 3- AND 4- AMINOMETHYLPIPERIDINES FOR USE AS BETA-SECRETASE IN THE TREATMENT OF ALZHEIMER'S DISEASE<br/>[FR] 3- ET 4- AMINOMETHYLPIPERIDINES SUBSTITUEES UTILISEES COMME BETA-SECRETASE DANS LE TRAITEMENT DE LA MALADIE D'ALZHEIMER
申请人:ACTELION PHARMACEUTICALS LTD
公开号:WO2004002483A1
公开(公告)日:2004-01-08
The invention relates to novel compounds, which are substituted chiral or achiral derivatives of 3- or 4- aminomethylpiperidine of the general formula (I). The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more compounds of general formula (I) and especially their use as inhibitors of beta-secretases for the treatment of Alzheimer’s disease.
Ni-Catalyzed deaminative hydroalkylation of internal alkynes
作者:Ze-Fan Zhu、Jia-Lin Tu、Feng Liu
DOI:10.1039/c9cc05385a
日期:——
A regioselective cis-hydroalkylation of internal alkynes with readily prepared Katritzky pyridinium salts for the synthesis of tri-substituted alkenes is described. This reaction is the first example of a metal-catalyzed hydroalkylation of an alkynevia C–N bond activation of an amine. The reaction demonstrates broad scope and functional group tolerance, allowing access to desired products with high
[EN] PIPERAZINE METABOTROPIC GLUTAMATE RECEPTOR 5 (MGLUR5) NEGATIVE ALLOSTERIC MODULATORS FOR ANXIETY/DEPRESSION<br/>[FR] PIPÉRAZINE UTILISÉE EN TANT QUE MODULATEURS ALLOSTÉRIQUES NÉGATIFS AGISSANT SUR LE RÉCEPTEUR MÉTABOTROPIQUE DU GLUTAMATE DE TYPE 5 (MGLUR5)
申请人:WYETH CORP
公开号:WO2009143404A1
公开(公告)日:2009-11-26
The present teachings relate to piperazine metabotropic glutamate receptor 5 (mGluR5) negative allosteric modulators having Formula (I); wherein the constituent variables are as defined herein. The present teachings further relate to methods for the preparation of the compounds, and to methods for using the compounds for treatment of diseases and disorders including schizophrenia, paranoia, depression, manic-depressive illness and anxiety.