Catalytic Enantioselective Intermolecular Desymmetrization of 3-Substituted Oxetanes
作者:Zhaobin Wang、Zhilong Chen、Jianwei Sun
DOI:10.1002/anie.201300188
日期:2013.6.24
ring‐opening process features low catalyst loading, mild reaction conditions, broad functional group compatibility, high enantioselectivity, and the capability to generate chiral quaternarycenters. The highly functionalized desymmetrization products are versatile chiral buildingblocks in organic synthesis.
[EN] COMPOUNDS AND COMPOSITIONS AS RAF KINASE INHIBITORS<br/>[FR] COMPOSÉS ET COMPOSITIONS COMME INHIBITEURS DE PROTÉINES KINASES
申请人:NOVARTIS AG
公开号:WO2016038582A1
公开(公告)日:2016-03-17
The present invention provides compounds of Formula (I) and (II) as described herein, and salts thereof, and therapeutic uses of these compounds for treatment of disorders associated with Raf kinase activity. The invention further provides pharmaceutical compositions comprising these compounds, and compositions comprising these compounds and a therapeutic co-agent.
[EN] ACYLAMINO-SUBSTITUTED CYCLIC CARBOXYLIC ACID DERIVATIVES AND THEIR USE AS PHARMACEUTICALS<br/>[FR] DÉRIVÉS CYCLIQUES ACYLAMINO-SUBSTITUÉS DE L'ACIDE CARBOXYLIQUE ET LEUR UTILISATION EN TANT QUE PRODUITS PHARMACEUTIQUES
申请人:SANOFI AVENTIS
公开号:WO2011053948A1
公开(公告)日:2011-05-05
The present invention relates to compounds of the formula (I) wherein A, Y, Z, R20 to R22 and R50 have the meanings indicated in the claims, which are valuable pharmaceutical active compounds. Specifically, they are inhibitors of the endothelial differentiation gene receptor 2 (Edg-2, EDG2), which is activated by lysophosphatidic acid (LPA) and is also termed as LPA1 receptor, and are useful for the treatment of diseases such as atherosclerosis, myocardial infarction and heart failure, for example. The invention furthermore relates to processes for the preparation of the compounds of the formula (I), their use and pharmaceutical compositions comprising them.
Reductive Opening of Oxetanes Catalyzed by Frustrated Lewis Pairs: Unexpected Aryl Migration via Neighboring Group Participation
作者:Luning Tang、Yu Zang、Wengang Guo、Zhengyu Han、Hai Huang、Jianwei Sun
DOI:10.1021/acs.orglett.2c01088
日期:2022.5.6
B(C6F5)3 was found to catalyze an unusual double reduction of oxetanes by hydrosilane with aryl migration via neighboring group participation. Control experiments suggested that the phenonium ion serves as the key intermediate. Minor modification of this protocol also led to simple hydrosilylative opening of oxetanes.
发现B(C 6 F 5 ) 3催化氢硅烷对氧杂环丁烷的异常双重还原,其中芳基迁移通过相邻基团参与。对照实验表明铼离子是关键的中间体。该协议的微小修改也导致了氧杂环丁烷的简单氢化开环。
ACYLAMINO-SUBSTITUTED CYCLIC CARBOXYLIC ACID DERIVATIVES AND THEIR USE AS PHARMACEUTICALS
申请人:PERNERSTORFER Josef
公开号:US20120264790A1
公开(公告)日:2012-10-18
The present invention relates to compounds of the formula I,
wherein A, Y, Z, R
20
to R
22
and R
50
have the meanings indicated in the claims, which are valuable pharmaceutical active compounds. Specifically, they are inhibitors of the endothelial differentiation gene receptor 2 (Edg-2, EDG2), which is activated by lysophosphatidic acid (LPA) and is also termed as LPA
1
receptor, and are useful for the treatment of diseases such as atherosclerosis, myocardial infarction and heart failure, for example. The invention furthermore relates to processes for the preparation of the compounds of the formula I, their use and pharmaceutical compositions comprising them.