منابع مشابه
Ruthenium-Catalyzed meta-Selective C—H Bromination
The first example of a transition-metal-catalyzed, meta-selective C-H bromination procedure is reported. In the presence of catalytic [{Ru(p-cymene)Cl2 }2 ], tetrabutylammonium tribromide can be used to functionalize the meta C-H bond of 2-phenylpyridine derivatives, thus affording difficult to access products which are highly predisposed to further derivatization. We demonstrate this utility w...
متن کاملRuthenium Catalyzed Transfer Hydrogenation
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متن کاملSilver(I)-catalyzed carboxylation of arylboronic esters with CO2.
A variety of arylboronic esters were efficiently carboxylated with CO(2) using a simple AgOAc/PPh(3) catalyst, affording the corresponding carboxylic acids in good yield. This simple and efficient silver(i) catalytic system showed wide functional group compatibility.
متن کاملMetal-Catalyzed Carboxylation of Organic (Pseudo)halides with CO2
The recent years have witnessed the development of metal-catalyzed reductive carboxylation of organic (pseudo)halides with CO2 as C1 source, representing potential powerful alternatives to existing methodologies for preparing carboxylic acids, privileged motifs in a myriad of pharmaceuticals and molecules displaying significant biological properties. While originally visualized as exotic cross-...
متن کاملCobalt-catalyzed carboxylation of propargyl acetates with carbon dioxide.
The cobalt-catalyzed carboxylation of propargyl acetates with CO2 (1 atm) is described. The reaction proceeds at room temperature in the presence of Mn powder as a reducing reagent. Various propargyl acetates are converted to the corresponding carboxylic acids in good to high yields.
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ژورنال
عنوان ژورنال: Organic Letters
سال: 2017
ISSN: 1523-7060,1523-7052
DOI: 10.1021/acs.orglett.7b03387