With a proper choice of phosphane ligands, a Ni(cod)2âphosphane catalyst promotes decarboxylative ring-opening reaction of a wide structural variety of cyclic carbonates 1 to give Ï-dienyl aldehydes 2 in good yields.
Palladium-catalyzed 1,3-diol fragmentation: synthesis of ω-dienyl aldehydes
作者:Masanari Kimura、Masahiko Mori、Yoshinao Tamaru
DOI:10.1039/b708526e
日期:——
2-(1â²-Hydroxy-2â²-propenyl)cycloalkan-1-ols 1 undergo dehydrative C1âC2 bond cleavage and provide Ï-dienyl aldehydes2 under the catalysis of Pd(0) and 9-phenyl-9-BBN.