SYNTHESIS OF γ,δ-UNSATURATED KETONES BY THE INTRAMOLECULAR DECARBOXYLATIVE ALLYLATION OF ALLYL β-KETO CARBOXYLATES AND ALKENYL ALLYL CARBONATES CATALYZED BY MOLYBDENUM, NICKEL,AND RHODIUM COMPLEXES
作者:Jiro Tsuji、Ichiro Minami、Isao Shimizu
DOI:10.1246/cl.1984.1721
日期:1984.10.5
Allyl β-keto carboxylates and alkenyl allyl carbonates were converted to γ,δ-unsaturated ketones by the intramolecular decarboxylative allylation catalyzed by molybdenum, nickel, and rhodium complexes.
Palladium-catalyzed rearrangement of allylic esters of acetoacetic acid to give γ,δ-unsaturated methyl ketones
作者:Isao Shimizu、Toshiro Yamada、Jiro Tsuji
DOI:10.1016/s0040-4039(00)77444-2
日期:1980.1
Various allylic esters of acetoacetic acid undergo rearrangement to give γ,δ-unsaturated methyl ketones in high yields with elimination of carbon dioxide under mild conditions in the presence of catalytic amounts of Pd(OAc)2 and PPh3.
Palladium-catalyzed decarboxylation-allylation of allylic esters of .alpha.-substituted .beta.-keto carboxylic, malonic, cyanoacetic, and nitroacetic acids