Synthesis of a homologous series of ketomethylene arginyl pseudodipeptides and application to low molecular weight hirudin-like thrombin inhibitors
作者:John DiMaio、Bernard Gibbs、Jean Lefebvre、Yasuo Konishi、Debra Munn、Shi Yi Yue、Wilfried Hornberger
DOI:10.1021/jm00096a004
日期:1992.9
described. The substitution of the scissile amide function by a ketomethylene group is compatible with the enzyme active site and conferred complete plasma proteolytic stability. This modification also enhanced enzyme affinity up to 20-fold with hirutonin-4 (IIb, n = 4) displaying highest affinity (Ki = 140 +/- 20 pM). Hirutonins 1-4 exhibited potent inhibition of plasma prothrombin time (PT) and activated
New annulation methods of aromatic rings. New syntheses of naphthalene, anthracene and phenanthrene structures.
作者:Eugene Ghera、Yehoshua Ben-David
DOI:10.1016/s0040-4039(00)86032-3
日期:1983.1
Condensation of 2-(phenylsulfonyl)methyl benzyl bromide and its derivatives with nalonates, 1,3-ketoesters and lactones resulted in the regioselective formation of naphthalene derivatives and of other polycyclic systems.
<i>i</i>-Pr<sub>2</sub>NMgCl·LiCl Enables the Synthesis of Ketones by Direct Addition of Grignard Reagents to Carboxylate Anions
作者:Kilian Colas、A. Catarina V. D. dos Santos、Abraham Mendoza
DOI:10.1021/acs.orglett.9b02899
日期:2019.10.4
preparation of ketones from carboxylate anions is greatly limited by the required use of organolithiumreagents or activated acyl sources that need to be independently prepared. Herein, a specific magnesium amide additive is used to activate and control the addition of more tolerant Grignardreagents to carboxylate anions. This strategy enables the modular synthesis of ketones from CO2 and the preparation
Ground-State Electron Transfer as an Initiation Mechanism for Biocatalytic C–C Bond Forming Reactions
作者:Haigen Fu、Heather Lam、Megan A. Emmanuel、Ji Hye Kim、Braddock A. Sandoval、Todd K. Hyster
DOI:10.1021/jacs.1c04334
日期:2021.6.30
The development of non-natural reactionmechanisms is an attractive strategy for expanding the synthetic capabilities of substrate promiscuous enzymes. Here, we report an “ene”-reductase catalyzed asymmetric hydroalkylation of olefins using α-bromoketones as radical precursors. Radical initiation occurs via ground-state electrontransfer from the flavin cofactor located within the enzyme active site
[EN] PIKFYVE KINASE INHIBITORS<br/>[FR] INHIBITEURS DE KINASE PIKFYVE
申请人:ACURASTEM INCORPORATED
公开号:WO2021163727A1
公开(公告)日:2021-08-19
The present invention relates to compounds useful as inhibitors of phosphatidylinositol-3-phosphate 5-kinase (PIKfyve) as well as their use for treating diseases and disorders associated with PIKfyve.