125286-07-9Relevant academic research and scientific papers
Boron-catalyzed dehydrative allylation of 1,3-diketones and β-ketone esters with 1,3-diarylallyl alcohols in water
Zhang, Guo-Min,Zhang, Hua,Wang, Bei,Wang, Ji-Yu
, p. 17025 - 17031 (2021/05/25)
A metal-free catalytic allylation with atom economy and green environment friendly was developed. Allylic alcohols could be directly dehydrated in water by B(C6F5)3, without using any base additives. The reaction can afford the corresponding monoallylated product in moderate to high yield and has been performed on a gram-scale, and a quaternary carbon center can be constructed for the active methine compounds of 1,3-diketones or β-ketone esters in this process. The product can be further converted, such as the synthesis of tetra-substituted pyrazole compounds, or 1,4-dienes and functionalized dihydropyrans.
Electronic effects in the regioselectivity of nucleophilic attacks on cationic 1,3-diaryl-π-allylpalladium complexes
Prat,Ribas,Moreno-Manas
, p. 1695 - 1706 (2007/10/02)
Nucleophilic attacks on π-allylpalladium complexes derived from O2N-Ph-(CH-CH-CH)-Ph-X systems (X = 4-OMe and 4-Cl) occur preferentially at the allylic terminus remote from the electron-withdrawing group (NO2).
ELECTRONIC EFFECTS ON THE REGIOSELECTIVITY OF NUCLEOPHILIC ATTACKS ON Π-ALLYPALLADIUM COMPLEXES
Moreno-Manas, Marcial,Ribas, Jordi
, p. 3109 - 3112 (2007/10/02)
A high regioselectivity has been observed in the palladium catalyzed allylation of "soft" nucleophiles (pentane-2,4-dione and 4-hydroxy-6-methyl-2-pyrone) when both allylic termini have the same steric requirements and different electronic features.
