在制备 une serie d'acides carboxyliques allyliques a partir des ocoxyliques par un processus en deux etapes 等价物 a: 1) une 反应 ene avec l'oxomalonate de diethyle conduisant a l'ester α-hydroxymalonique; 2) une bisdecarboxylation oxydante de ce dernier
The regioselective hydrogenation of 3,8-nonadienoic acid to 8-nonenoic acid was realized by the addition of water with RhCl[P(p-tolyl)3]3 in benzene at 1 atm hydrogen, whereas in the absence of water the reaction mostly gave 3-nonenoic acid. The novel selectivity is caused by both an accelerating effect of water on the hydrogenation of the 3-position and a retarding effect on that of the 8-position
Palladium-Catalyzed Double and Single Carbonylation of Aryl Halides and Allylic Compounds
作者:Akio Yamamoto
DOI:10.1246/bcsj.68.433
日期:1995.2
After a brief introduction summarizing the author’s previous work concerning the double carbonylation of aryl halides catalyzed by palladium complexes, newly found catalytic processes (1) for converting allylic formates and chlorides into β,γ-unsaturated acids and (2) the double carbonylation of allylic chlorides to β,γ-unsaturated α-keto amides are described. Mechanisms which reasonably account for the catalytic processes are proposed on the basis of studies concerning the properties of the organopalladium complexes.
Palladium-catalyzed synthesis of mixed anhydrides <i>via</i> carbonylative telomerization
作者:Kevin Hares、Dennis Vogelsang、Charlotte S. Wernsdörfer、Dennis Panke、Dieter Vogt、Thomas Seidensticker
DOI:10.1039/d2cy00486k
日期:——
mixed carboxylic anhydrides were accessed directly via homogeneous palladium catalysis from 1,3-butadiene and carboxylic acids. Under carbonylative telomerization conditions, the respective mixed 3,8-nonadienoic anhydrides are formed in a single reaction step with yields of up to 82%. These very reactive mixed anhydrides can then be used for consecutive reactions in a one-pot manner and selectively transfer
Ligand-Controlled Regiodivergent Ni-Catalyzed Reductive Carboxylation of Allyl Esters with CO<sub>2</sub>
作者:Toni Moragas、Josep Cornella、Ruben Martin
DOI:10.1021/ja509077a
日期:2014.12.24
A novel Ni-catalyzed regiodivergent reductive carboxylation of allyl esters with CO2 has been developed. This mild, user-friendly, and operationally simple method is characterized by an exquisite selectivity profile that is dictated by the ligand backbone.
Enecarboxylation with diethyl oxomalonate as an enophilic equivalent of carbon dioxide. A synthesis of allylcarboxylic acids
作者:Mary F. Salomon、Simon N. Pardo、Robert G. Salomon
DOI:10.1021/ja00325a014
日期:1984.6
On prepare une serie d'acides carboxyliques allyliques a partir des olefines correspondantes par un processus en deux etapes equivalent a: 1) une reaction ene avec l'oxomalonate de diethyle conduisant a l'ester α-hydroxymalonique; 2) une bisdecarboxylation oxydante de ce dernier
在制备 une serie d'acides carboxyliques allyliques a partir des ocoxyliques par un processus en deux etapes 等价物 a: 1) une 反应 ene avec l'oxomalonate de diethyle conduisant a l'ester α-hydroxymalonique; 2) une bisdecarboxylation oxydante de ce dernier