A novel process for the amidation or esterification which comprises reacting a compound having a carboxy group with a compound having an amino or imino group which can be acylated or with a compound having a hydroxy group in the presence of a sulfonic acid ester of the formula: R.sub.1 --SO.sub.2 --OR.sub.2 wherein R.sub.1 is an organic group and R.sub.2 O-- is a residue of a strongly acidic N-hydroxy compound as a condensation agent, and a novel sulfonic acid ester useful as such a condensation agent and a process for the preparation thereof.
[EN] IMIDAZOPYRIDAZINE COMPOUNDS USEFUL AS MODULATORS OF IL-12, IL-23 AND/OR IFN ALPHA RESPONSES<br/>[FR] COMPOSÉS IMIDAZOPYRIDAZINE UTILES EN TANT QUE MODULATEURS DE RÉPONSES IL-12, IL-23 ET/OU IFN ALPHA
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2018067432A1
公开(公告)日:2018-04-12
Compounds of formula I or a stereoisomer or pharmaceutically-acceptable salt thereof, are useful in the modulation of IL-12, IL-23 and/or IFNa, by acting on Tyk-2 to cause signal transduction inhibition. The compounds of formula I are useful for the treatment of inflammatory or autoimmune diseases.
[EN] HETEROARYL COMPOUNDS, PREPARATION METHODS AND USES THEREOF<br/>[FR] COMPOSÉS HÉTÉROARYLES, LEURS PROCÉDÉS DE PRÉPARATION ET LEURS UTILISATIONS
申请人:INVENTISBIO CO LTD
公开号:WO2022135430A1
公开(公告)日:2022-06-30
Provided herein are novel compounds, for example, compounds having a Formula (I), or a pharmaceutically acceptable salt thereof. Also provided herein are methods of preparing the compounds and methods of using the compounds, for example, in inhibiting TYK2, and/or function of IL-12, IL-23 and/or INF-alpha, and/or in treating various associated diseases or disorders.
Imidazopyridazine compounds useful as modulators of IL-12, IL-23 and/or INF alpha responses
申请人:BRISTOL-MYERS SQUIBB COMPANY
公开号:US10836770B2
公开(公告)日:2020-11-17
Compounds of formula I or a stereoisomer or pharmaceutically-acceptable salt thereof, are useful in the modulation of IL-12, IL-23 and/or IFNa, by acting on Tyk-2 to cause signal transduction inhibition. The compounds of formula I are useful for the treatment of inflammatory or autoimmune diseases.
式 I 的化合物或其立体异构体或药学上可接受的盐通过作用于 Tyk-2 导致信号转导抑制,可用于调节 IL-12、IL-23 和/或 IFNa。式 I 化合物可用于治疗炎症或自身免疫性疾病。
Perrocheau, J.; Carrie, R., Bulletin des Societes Chimiques Belges, 1993, vol. 102, # 11/12, p. 749 - 760