Accelerated Discovery of α-Cyanodiarylethene Photoswitches
作者:Niklas F. König、Dragos Mutruc、Stefan Hecht
DOI:10.1021/jacs.1c03631
日期:2021.6.23
thereby enables the assembly of a new combination of aryl moieties around the reformed ethylene bridge. The reversible C═C double bond exchange has exemplarily been investigated using α-cyanostilbenes. Establishing a dynamic equilibrium reaction from α-cyanodiarylethene with arylacetonitriles under mild conditions has been the basis to access constitutional libraries of new photoswitches with potentially
The present invention provides a heterocyclic compound represented by the following formula (I), which has a glucagon antagonistic action and is useful for the prophylaxis or treatment of diabetes and the like, a compound represented by
wherein ring A is an optionally substituted benzene ring and the like; Y is a nitrogen atom and the like; X is —O— and the like; R4 is a hydrogen atom and the like; R5 and R6 are each independently a hydrogen atom and the like; R1 is an optionally substituted hydrocarbon group and the like; R2 is a hydrogen atom and the like; and R3 is —(CH2)3—COOH and the like, or a salt thereof.
The present invention provides a heterocyclic compound represented by the following formula (I), which has a glucagon antagonistic action and is useful for the prophylaxis or treatment of diabetes and the like, a compound represented by
wherein ring A is an optionally substituted benzene ring and the like; Y is a nitrogen atom and the like; X is —O— and the like; R
4
is a hydrogen atom and the like; R
5
and R
6
are each independently a hydrogen atom and the like; R
1
is an optionally substituted hydrocarbon group and the like; R
2
is a hydrogen atom and the like; and R
3
is —(CH
2
)
3
—COOH and the like, or a salt thereof.
Procédé d'extraction sélective du cuivre utilisant les 4-acyl(3H)-pyrazol-3-ones
申请人:SOCIETE NATIONALE
DES POUDRES ET EXPLOSIFS
公开号:EP0129448A1
公开(公告)日:1984-12-27
Procédé d'extraction liquide/liquide du cuivre à partir d'une solution aqueuse sulfurique d'attaque du minerai ou du semi-produit concentré à traiter.
L'extraction est effectuée dans un solvant organique, contenant en solution un agent d'extraction dérivé des 2-phényl-4-acyl(3H)pyrazol-3-ones, le phényle pouvant être substitué ou non.
Application à la valorisation des minerais.