Donor cyclopropanes in synthesis: utilising silylmethylcyclopropanes to prepare 2,5-disubstituted tetrahydrofurans
作者:Jonathan Dunn、Majid Motevalli、Adrian P. Dobbs
DOI:10.1016/j.tetlet.2011.10.091
日期:2011.12
The use of donor-only silylmethylcyclopropanes in the Lewis acid promoted reaction with aldehydes to generate 2,5-disubstitutedtetrahydrofurans is described. The diastereoselectivity obtained in the product is very much dependent upon the temperature of the reaction.
[EN] TRIAZOLOPYRIDINE INHIBITORS OF MYELOPEROXIDASE<br/>[FR] INHIBITEURS, À BASE DE TRIAZOLOPYRIDINE, DE LA MYÉLOPEROXYDASE
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2017040449A1
公开(公告)日:2017-03-09
The present invention provides compounds of Formula (I): wherein A is as defined in the specification, and compositions comprising any of such novel compounds. These compounds are myeloperoxidase (MPO) inhibitors and/or eosinophil peroxidase (EPX) inhibitors, which may be used as medicaments.
[EN] ALKYNYL ALCOHOLS AS KINASE INHIBITORS<br/>[FR] ALCOOLS D'ALCYNYLE UTILISÉS COMME INHIBITEURS DE KINASES
申请人:AMGEN INC
公开号:WO2009158011A1
公开(公告)日:2009-12-30
Selected compounds are effective for prophylaxis and treatment of inflammation and inflammatory disorders, such as NIK-mediated disorders. The invention encompasses novel compounds, analogs, prodrugs and pharmaceutically acceptable salts thereof, pharmaceutical compositions and methods for prophylaxis and treatment of diseases and other maladies or conditions involving, inflammation and the like.
aldehydes, catalyzed by chiral (salen)Cr(III) complexes, has been studied. The reaction proceeded smoothly for the reactive 2-oxoaldehydes and allyltributyltin in the presence of small amounts (1–2 mol %) of (salen)Cr(III)BF4 (1b) under mild, undemanding conditions. However, in the case of other simple aldehydes, the use of high-pressure conditions is required to obtain good yields. Classic chromium catalyst