4,5-Difluorobenzaldehydes of a given formula are prepared by the reaction of corresponding benzaldehydes with a fluorinating agent.
给定的化学式4,5-二氟苯甲醛是通过对应的苯甲醛与氟化试剂的反应制备的。
[EN] ANTI-VIRAL COMPOUNDS FOR TREATING CORONAVIRUS, PICORNAVIRUS, AND NOROVIRUS INFECTIONS<br/>[FR] COMPOSÉS ANTIVIRAUX POUR LE TRAITEMENT D'INFECTIONS À CORONAVIRUS, PICORNAVIRUS ET NOROVIRUS
申请人:ALIGOS THERAPEUTICS INC
公开号:WO2021252491A1
公开(公告)日:2021-12-16
Provided herein are compounds of Formula (I), or pharmaceutically acceptable salts thereof, pharmaceutical compositions that include a compound described herein (including pharmaceutically acceptable salts of a compound described herein) and methods of synthesizing the same. Also provided herein are methods of treating coronavirus, Picomavirus and Norovims infections with a compound of Formula (I), or a pharmaceutically acceptable salt thereof.
2,4-Dichloro-5-fluorobenzoyl halide and a process for its preparation
申请人:Bayer Aktiengesellschaft
公开号:US04439620A1
公开(公告)日:1984-03-27
The invention relates to 2,4-dichloro-r-fluorobenzoyl halide (particularly the chloride) and methods for its production. Also included in the invention are intermediates useful for the production of said 2,4-dichloro-5-fluorobenzoyl halide (particularly the chloride).
Cancer cells can effectively suppress the natural immune response in humans, and prostaglandin E2 (PGE2) is a key mediator in the development of tumor cell resistance to immunotherapy. As a major contributor to PGE2-elicited immunosuppressive activity, the EP4receptor promotes tumor development and progression in the tumor microenvironment, and the development of selective and potent EP4receptor
Verfahren zur Herstellung von Chinoloncarbonsäuren
申请人:BAYER AG
公开号:EP0300311A2
公开(公告)日:1989-01-25
Die Erfindung betrifft ein neues Verfahren zur Herstellung von (I) Zwischenprodukten für pharmazeutisch wirksame Chinoloncarbonsäuren in einem einstufigen Verfahren. in der
R¹ für Propyl, Cyclopropyl, Isopropyl oder Vinyl steht,
X¹ Fluor, Chlor, Br, CN, NO₂ oder Wasserstoff bedeutet und
X², X³ und X⁴ für Fluor, Chlor, NO₂ oder Wasserstoff stehen.