[EN] HETEROCYCLIC COMPOUNDS USEFUL AS MK2 INHIBITORS<br/>[FR] COMPOSÉS HÉTÉROCYCLIQUES UTILES COMME INHIBITEURS DE MK2
申请人:NOVARTIS AG
公开号:WO2009010488A1
公开(公告)日:2009-01-22
The present invention describes tetracyclic compounds of formula (IA) or (IB), wherein the symbols R, X, A, Y, R2, R3 and D are as defined in the specification, their use in the treatment of certain diseases, e.g. depending on MK-2 or TNF activity, and ways of manufacturing them.
The present invention describes tetracyclic compounds of formula (IA) or (IB),
wherein the symbols R, X, A, Y, R2, R3 and D are as defined in the specification, their use in the treatment of certain diseases, e.g. depending on MK-2 or TNF activity, and ways of manufacturing them.
SeO<sub>2</sub>-Mediated Oxidative Transposition of Pauson–Khand Products
作者:Sara E. Dibrell、Michael R. Maser、Sarah E. Reisman
DOI:10.1021/jacs.9b13818
日期:2020.4.8
Oxidative transpositions of bicyclic cyclopentenones mediated by selenium dioxide (SeO2) are disclosed. Treatment of Pauson-Khand reaction (PKR) products with SeO2 in the presence or absence of water furnishes di- and trioxidized cyclopentenones, respectively. Mechanistic investigations reveal multiple competing oxidation pathways that depend on substrate identity and water concentration. Functionalization
The present invention describes tetracyclic compounds of formula (IA) or (IB),
wherein the symbols R, X, A, Y, R2, R3 and D are as defined in the specification, their use in the treatment of certain diseases, e.g. depending on MK-2 or TNF activity, and ways of manufacturing them.