Nickel-Catalyzed Reversible Functional Group Metathesis between Aryl Nitriles and Aryl Thioethers
作者:Tristan Delcaillau、Philip Boehm、Bill Morandi
DOI:10.1021/jacs.1c00529
日期:2021.3.17
We describe a new functional group metathesis between aryl nitriles and aryl thioethers. The catalytic system nickel/dcype is essential to achieve this fully reversible transformation in good to excellent yields. Furthermore, the cyanide- and thiol-free reaction shows high functional group tolerance and great efficiency for the late-stage derivatization of commercial molecules. Finally, synthetic applications
Palladium-catalyzed intermolecular transthioetherification of aryl halides with thioethers and thioesters
作者:Yahui Li、Gao Bao、Xiao-Feng Wu
DOI:10.1039/c9sc05532k
日期:——
Functional group transfer reactions are an important synthetic tool in modern organic synthesis. Herein, we developed a new palladium-catalyzed intermolecular transthioetherification reaction of arylhalides with thioethers and thioesters. The synthetic utility and practicality of this catalytic protocol are demonstrated in a wide range of successful transformations (>70 examples). This catalytic protocol
A nickel-catalyzed aryl thioether metathesis has been developed to access high-value thioethers. 1,2-Bis(dicyclohexylphosphino)ethane (dcype) is essential to promote this highly functional-group-tolerant reaction. Furthermore, synthetically challenging macrocycles could be obtained in good yield in an unusual example of ring-closingmetathesis that does not involve alkene bonds. In-depth organometallic
[EN] NEW COMPOUNDS AS HSP90 INHIBITORS<br/>[FR] NOUVEAUX COMPOSÉS INHIBITEURS DE LA HSP90
申请人:CRYSTAX PHARMACEUTICALS S L
公开号:WO2009007399A1
公开(公告)日:2009-01-15
The invention provides novel compounds of formula (I) wherein: one of the a, b, c or d members is a nitrogen atom and the remaining members are carbon atoms; and R3 is a radical selected from the group consisting of: -S-R14 and -CH2-R15.The compounds of formula (I) are useful for treating diseases mediated by a heat shock protein 90 (Hsp 90).
The invention provides novel compounds of formula (I) wherein: one of the a, b, c or d members is a nitrogen atom and the remaining members are carbon atoms; and R
3
is a radical selected from the group consisting of: —S—R
14
and —CH
2
—R
15
. The compounds of formula (I) are useful for treating diseases mediated by a heat shock protein 90 (Hsp 90).